{"title":"All products","description":null,"products":[{"product_id":"sp-12cx-2500-watt-rms-power","title":"SP 12CX Subwoofer 12\" 2500W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .pnl,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .pnl figure{margin:0 0 16px}.sp4 .pnl img{border:1px solid #262626;border-radius:10px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 2px 0;text-align:center}.sp4 .pnl figcaption b{color:#E8560F}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 12\" \/ 30 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e2500 watt RMS.\u003cbr\u003e\u003cem\u003e65.5 mm voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 12\"\/30 cm subwoofer built around a 65.5 mm (2.5\") dual voice coil: 2+2 ohm, 2500 W RMS continuous, 5000 W peak, 87.5 dB sensitivity. Compressed paper and fibreglass cone, large “R” suspension, 220 °C aluminium winding. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cx-cover-2026.jpg?v=1793620778\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cx-cover-2026.jpg?v=1793620778\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cx-cover-2026.jpg?v=1793620778\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cx-cover-2026.jpg?v=1793620778\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt='SP 12CX subwoofer 12\"\/30 cm, 2500 W RMS, 2+2 ohm dual voice coil' width=\"900\" height=\"900\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e2500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e5000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e87.5\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 65.5 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e2500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e5000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 2500 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e2500 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 2500 W RMS is the power the voice coil handles continuously, with 5000 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 65.5 mm (2.5\") voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 220 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCone built to be driven hard\u003c\/b\u003e\n\u003cp\u003eCompressed paper and fibreglass cone, large “R” suspension: it takes the excursion without losing shape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 12CX\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-12CX-Manual-EN-2026.pdf?v=1790621554\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eOne SP 12CX subwoofer.\u003c\/b\u003e The price is for a single unit: for a pair, order two.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAmplifier, enclosure and cables are not included.\u003c\/b\u003e You build the system around the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInvoice from an Italian company\u003c\/b\u003e, shipped from Italy with warranty on manufacturing defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFree technical support\u003c\/b\u003e before and after the purchase, from Italy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e300 mm (12\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e2500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e5000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e87.5 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e30–300 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e65.5 mm \/ 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass + black painting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-0-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 0 AWG\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-0ga-red-100-ofc-30m-spool\"\u003e\u003csmall\u003ePOWER CABLE\u003c\/small\u003e\u003cstrong\u003eSP 0GA RED 100% OFC (30 M)\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1×0GA IN \/ 3×4GA OUT\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm; in series they give 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 2500 W RMS.\u003c\/b\u003e Sizing on the 5000 W peak figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e A 12\" cone moving this much air loads the box: thick panels, braced and sealed, or the box will lose output and rattle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e, with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 12CX handle?\u003c\/b\u003e2500 W RMS continuous and 5000 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 2500 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 300 mm (12\"), voice coil 65.5 mm (2.5\").\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency range?\u003c\/b\u003e30–300 Hz, with 87.5 dB sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 12CX handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"2500 W RMS continuous and 5000 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 2500 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 300 mm (12\\\"), voice coil 65.5 mm (2.5\\\").\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"30–300 Hz, with 87.5 dB sensitivity.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42840208441556,"sku":"16001","price":549.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cx-cover-2026.jpg?v=1793620778"},{"product_id":"sp-15cx-3000-watt-rms","title":"SP 15CX Subwoofer 15\" 3000W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 15\" \/ 38 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e3000 watt RMS.\u003cbr\u003e\u003cem\u003e76.2 mm voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 15\"\/38 cm SPL subwoofer built around a 76.2 mm (3\") dual voice coil: 2+2 ohm, 3000 W RMS continuous, 6000 W peak, 89 dB sensitivity. Compressed paper and fibreglass cone, large \"R\" suspension, 220 °C aluminium winding, 86×3 oz Y30 ferrite magnet, 32 mm Xmax. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-cover-2026.jpg?v=1793621000\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-cover-2026.jpg?v=1793621000\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-cover-2026.jpg?v=1793621000\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-cover-2026.jpg?v=1793621000\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" width=\"900\" height=\"900\" alt='SP 15CX subwoofer 15\"\/38 cm, 3000 W RMS, 2+2 ohm dual voice coil' loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e3000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e6000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e89\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 76.2 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e XMAX 32 MM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e3000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e6000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 3000 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e3000 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 3000 W RMS is the power the voice coil handles continuously, with 6000 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 76.2 mm (3\") voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 220 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo 2 ohm coils: in series 4 ohm, in parallel 1 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e32 mm Xmax on a 15\" cone\u003c\/b\u003e\n\u003cp\u003e804.2 cm² of radiating surface (Sd) and 32 mm of linear excursion: compressed paper with fibreglass, large \"R\" suspension, 86×3 oz Y30 ferrite motor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-5.jpg?v=1793621000\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-5.jpg?v=1793621000\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-5.jpg?v=1793621000\u0026amp;width=620 620w\" sizes=\"(min-width:1000px) 500px, 100vw\" width=\"1813\" height=\"868\" alt=\"SP 15CX subwoofers, cones and large R suspension\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01\u003c\/b\u003e · The cone: compressed paper + fibreglass, black painting, large \"R\" suspension\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-wide.jpg?v=1793621000\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-wide.jpg?v=1793621000\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-wide.jpg?v=1793621000\u0026amp;width=620 620w\" sizes=\"(min-width:1000px) 500px, 100vw\" width=\"1472\" height=\"704\" alt=\"SP 15CX subwoofer, rear view of the motor and basket\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02\u003c\/b\u003e · The motor: 86×3 oz Y30 ferrite magnet, 76.2 mm voice coil, Bl 20.14\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 15CX\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-15CX-Manual-EN-2026.pdf?v=1790621523\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eOne SP 15CX subwoofer\u003c\/b\u003e\n\u003cp\u003eThe price is for a single unit, not for a pair. Chassis, cone and motor assembled and tested.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe PDF manual\u003c\/b\u003e\n\u003cp\u003eWiring of the two voice coils, impedance options and the full data sheet, downloadable from the button above.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eInvoice and warranty\u003c\/b\u003e\n\u003cp\u003eInvoice from an Italian company, warranty on manufacturing defects, and free technical support from Italy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_39c82a04-f3bc-4c86-88e6-bd6b18bd8f1a.png?v=1790011321\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_39c82a04-f3bc-4c86-88e6-bd6b18bd8f1a.png?v=1790011321\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_39c82a04-f3bc-4c86-88e6-bd6b18bd8f1a.png?v=1790011321\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 460px, 100vw\" width=\"1472\" height=\"704\" alt=\"SP 15CX subwoofer pair in a car audio store\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003eThree-quarter view\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-6.jpg?v=1793621000\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-6.jpg?v=1793621000\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-ai-6.jpg?v=1793621000\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 460px, 100vw\" width=\"1472\" height=\"704\" alt=\"SP 15CX subwoofers, orange basket and terminals\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003eBasket and terminals\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER AND LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower handling — continuous (RMS)\u003c\/td\u003e\n\u003ctd\u003e3000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower handling — peak (MAX)\u003c\/td\u003e\n\u003ctd\u003e6000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm (the two coils in series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coils\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTICS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e380 mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e89 dB SPL 1 W \/ 1 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e25–300 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR AND MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e76.2 mm \/ 3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e86×3 oz Y30 ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge \"R\" form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass + black painting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eRECOMMENDED VENTED ENCLOSURE\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e125 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning frequency\u003c\/td\u003e\n\u003ctd\u003e30 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent diameter\u003c\/td\u003e\n\u003ctd\u003eø 102 mm, circular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent length\u003c\/td\u003e\n\u003ctd\u003e14.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent cross area\u003c\/td\u003e\n\u003ctd\u003e81.7 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd correction\u003c\/td\u003e\n\u003ctd\u003eTwo flanged ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e35.00 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.551\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e6.193\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.605\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e69.61 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e20.14 T·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e804.2 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e285.676 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e75.93 mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPL\u003c\/td\u003e\n\u003ctd\u003e89.0 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-0ga-red-100-ofc-30m-spool\"\u003e\u003csmall\u003ePOWER CABLE\u003c\/small\u003e\u003cstrong\u003eSP 0GA RED 100% OFC — 30 m spool\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-0-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 0 AWG\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1x0GA in + 3x4GA out\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in series give 4 ohm, in parallel 1 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 3000 W RMS.\u003c\/b\u003e Sizing on the 6000 W peak figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e The data sheet gives a 125 L vented box tuned to 30 Hz: thick panels, braced and sealed, or the box will lose output and rattle. With 32 mm of Xmax, leave the cone room to move.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e, with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 15CX handle?\u003c\/b\u003e3000 W RMS continuous and 6000 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 3000 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 380 mm (15\"), voice coil 76.2 mm (3\"), Xmax 32 mm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow many litres does the box need?\u003c\/b\u003eThe data sheet gives a vented enclosure of 125 L tuned to 30 Hz, with a ø 102 mm vent 14.5 cm long.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 15CX handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"3000 W RMS continuous and 6000 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 3000 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 380 mm (15\\\"), voice coil 76.2 mm (3\\\"), Xmax 32 mm.\"}}, {\"@type\": \"Question\", \"name\": \"How many litres does the box need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The data sheet gives a vented enclosure of 125 L tuned to 30 Hz, with a 102 mm vent 14.5 cm long.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42851759456468,"sku":"16000","price":639.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cx-cover-2026.jpg?v=1793621000"},{"product_id":"sp-10hm","title":"SP 10HM Midrange Extreme 10\" 500W RMS Neo","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · hm line · neodymium · 10 inch\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e102.5 dB.\u003cbr\u003e\u003cem\u003eThe loudest ten.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe HM line takes the 10\" as far as it goes: 500 W RMS, 102.5 dB, a 76.2 mm (3\") voice coil and a 286 g N38H neodymium motor that weighs a fraction of a ferrite ring. 70 Hz to 15 kHz. Unit price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-showcase.jpg?v=1793944969\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-showcase.jpg?v=1793944969\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-showcase.jpg?v=1793944969\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-showcase.jpg?v=1793944969\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP 10HM 10 inch midrange: front with SP Audio cone and side view with neodymium motor\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e102.5\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e NEODYMIUM MOTOR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e1000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e102.5 dB: the loudest of the line\u003c\/b\u003e\n\u003cp\u003eTwo and a half decibels above the SP 10MM PLUS, on the same one watt. In an SPL build that gap is audible before you add a single amplifier channel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e500 W RMS on a 3\" coil\u003c\/b\u003e\n\u003cp\u003e76.2 mm of voice coil wound with 220 °C aluminium wire: the thermal reserve that lets it take 500 W of continuous work, not a burst rating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e286 g of N38H neodymium\u003c\/b\u003e\n\u003cp\u003eThe strongest magnet grade in the range, in a motor that weighs a fraction of an equivalent ferrite ring. A Bl of 10.94 TM with almost no mass behind the cone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eOnly 95.4 mm deep\u003c\/b\u003e\n\u003cp\u003eThe neodymium motor is short: 95.4 mm of mounting depth against the 114 mm of the ferrite PLUS. It fits doors and pods that a big ferrite 10\" cannot.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-front.jpg?v=1793944969\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-front.jpg?v=1793944969\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-front.jpg?v=1793944969\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 10HM midrange cone with SP Audio logo and orange phase plug\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the cone\u003c\/b\u003eCompressed paper and fiberglass, black painted, M-ROLL polycotton surround, solid aluminium phase plug in the centre.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-magnet.jpg?v=1793944970\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-magnet.jpg?v=1793944970\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-ai-magnet.jpg?v=1793944970\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 10HM neodymium motor seen from the back\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003e286 g N38H neodymium magnet, 76.2 mm voice coil wound with 220 °C aluminium wire.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-10HM-NEO-Manual-EN-2026.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne speaker, sold singly.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one SP 10HM. SPL builds use them in twos and fours: order the number your project needs, they ship from the same production batch. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP 10HM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_c3a36c40-8c4f-4e43-8322-cbdba0745882.jpg?v=1790170035\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_c3a36c40-8c4f-4e43-8322-cbdba0745882.jpg?v=1790170035\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_c3a36c40-8c4f-4e43-8322-cbdba0745882.jpg?v=1790170035\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP Audio midrange speakers displayed in a car audio shop window\" width=\"560\" height=\"560\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e1000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e254 mm (10\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e102.5 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e70 Hz - 15 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e76.2 mm \/ 3\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e286 g N38H neodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper, fiberglass, black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOUNTING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e261 mm (10.28\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-out diameter\u003c\/td\u003e\n\u003ctd\u003e232.5 mm (9.15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting depth\u003c\/td\u003e\n\u003ctd\u003e95.4 mm (3.76\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eUnit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e91 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.473\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.498\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e9.171\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e19.55 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e380 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e95.27 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e29.33 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e10.94 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e3.28 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-10mm-plus-400-watt-rms\"\u003e\u003csmall\u003eFERRITE 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM PLUS — 400 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10mm-neo-300-watt-rms\"\u003e\u003csmall\u003eNEODYMIUM 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM NEO — 300 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10cm-plus-200-watt-rms\"\u003e\u003csmall\u003eBEST SELLER 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10CM — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 70 Hz and let the subwoofer do the bass. Xmax is 2 mm — it is built for level, not for excursion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck the numbers first.\u003c\/b\u003e Cut-out 232.5 mm, outer 261 mm, depth 95.4 mm: it wants a door pod, a kick panel or a custom baffle, solidly fixed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 10HM handle?\u003c\/b\u003e500 W RMS continuous and 1000 W peak. The price on this page is for one speaker.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 500 W RMS at 4 ohm on the channel that drives it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the SP 10MM PLUS?\u003c\/b\u003eBoth are 10\" with a 3\" voice coil, but the HM uses a 286 g N38H neodymium magnet: 500 W RMS instead of 400 W, 102.5 dB instead of 99.9 dB, and 95.4 mm of depth instead of 114 mm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat hole do I need to cut?\u003c\/b\u003e232.5 mm (9.15\"), with a 261 mm (10.28\") outer diameter and 95.4 mm (3.76\") of mounting depth.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cut it?\u003c\/b\u003eHigh-pass at 70 Hz or above. It runs to 15 kHz, so the tweeter can come in high.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 10HM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"500 W RMS continuous and 1000 W peak. The price on the product page is for one speaker.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 10HM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 500 W RMS at 4 ohm on the channel that drives it.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 10HM and the SP 10MM PLUS?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Both are 10 inch with a 3 inch voice coil, but the HM uses a 286 g N38H neodymium magnet: 500 W RMS instead of 400 W, 102.5 dB instead of 99.9 dB, and 95.4 mm of mounting depth instead of 114 mm.\"}},{\"@type\":\"Question\",\"name\":\"What hole does the SP 10HM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 232.5 mm (9.15 inch) cut-out, with a 261 mm (10.28 inch) outer diameter and 95.4 mm (3.76 inch) of mounting depth.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 10HM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 70 Hz or above. It runs to 15 kHz, so the tweeter can come in high.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42851944693972,"sku":"15300","price":257.4,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10hm-cover-ai.jpg?v=1793944970"},{"product_id":"sp-8mm","title":"SP 8MM Midrange Extreme 8\" 250W RMS 4 Ohm (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · ferrite · 8 inch · new model 2025\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e250 watt RMS.\u003cbr\u003e\u003cem\u003eThe extreme 8\".\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe MIDRANGE EXTREME line in the 8\"\/20 cm size: 98.2 dB, a 50 Oz ferrite motor, a 49.5 mm (2\") CCAW voice coil and a solid aluminium phase plug. 224 cm² of cone and 250 W RMS of duty: the loud lane. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-ai-showcase.jpg?v=1794005243\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-ai-showcase.jpg?v=1794005243\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-ai-showcase.jpg?v=1794005243\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-ai-showcase.jpg?v=1794005243\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 8MM midrange pair in front of its box, 250 W RMS, 4 ohm\" width=\"760\" height=\"760\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e250\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e98.2\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FULL THIELE-SMALL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e250 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e98.2 dB: extreme sensitivity\u003c\/b\u003e\n\u003cp\u003eOn the same channel it plays noticeably louder than the best seller line, before you touch the gain. This is the 8\" for SPL builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 2\" CCAW coil for 250 W\u003c\/b\u003e\n\u003cp\u003e49.5 mm of copper-clad aluminium winding: more winding surface, more heat capacity, more minutes at full volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 50 Oz motor behind it\u003c\/b\u003e\n\u003cp\u003eThe biggest ferrite ring of the 8\" family. More magnetic force means more control over the cone at high excursion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe phase plug instead of the dust cap\u003c\/b\u003e\n\u003cp\u003eA solid aluminium plug in the centre of the cone: it keeps the response clean off-axis and pulls heat away from the voice coil.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-8MM-Manual-EN-2026.pdf?v=1790449667\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 8MM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e250 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e200 mm (8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e98.2 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e80 Hz - 9 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e49.5 mm \/ 2\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCopper clad aluminium wire (CCAW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e50 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eFiberglass reinforced paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e142 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.6 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.753\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.868\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e5.673\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e4.86 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e224 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e67.95 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e18.696 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e8.292 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e1.52 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eBEST SELLER 8\"\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 170 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8mm-neo-250-watt-rms\"\u003e\u003csmall\u003eSAME POWER, NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP 8MM NEO\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10mm-300-watt-rms\"\u003e\u003csmall\u003eMIDRANGE EXTREME 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM — 300 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 80 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck the opening first.\u003c\/b\u003e This is an 8\"\/20 cm frame, not a 6.5\": measure the door or kick panel opening before ordering, or plan an adapter ring. It runs to 9 kHz: always pair it with a tweeter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 8MM handle?\u003c\/b\u003e250 W RMS continuous and 500 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 250 W RMS at 4 ohm on each channel is the right match.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit in my door?\u003c\/b\u003eIt is an 8\" \/ 200 mm frame, larger than a standard 6.5\" opening. Measure first: some doors take it directly, others need an adapter ring or a kick-panel install.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the SP 8CM?\u003c\/b\u003eThe 8MM is the EXTREME version: a bigger 2\" CCAW voice coil instead of 1.5\", a 50 Oz magnet instead of 31 Oz and 250 W RMS instead of 170 W. The 8CM reaches higher, up to 15 kHz.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cut it?\u003c\/b\u003eHigh-pass at 80 Hz or above. It runs to 9 kHz, so always pair it with a tweeter for the top octaves.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 8MM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"250 W RMS continuous and 500 W peak, per speaker. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 8MM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 250 W RMS at 4 ohm on each channel is the right match.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP 8MM fit a standard car door?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is an 8 inch \/ 200 mm frame, larger than a standard 6.5 inch opening. Measure the opening first: some doors take it directly, others need an adapter ring or a kick-panel install.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 8MM and the SP 8CM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The 8MM is the EXTREME version: a bigger 2 inch CCAW voice coil instead of 1.5, a 50 Oz magnet instead of 31 Oz and 250 W RMS instead of 170 W. The 8CM reaches higher, up to 15 kHz.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 8MM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 80 Hz or above. It runs to 9 kHz, so always pair it with a tweeter for the top octaves.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42851945152724,"sku":"15101","price":239.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-cover-2026.jpg?v=1794005243"},{"product_id":"sp-6-5cm","title":"SP 6.5CM Midrange 6.5\" 120W RMS 4 Ohm (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange · ferrite · 6.5 inch · best seller\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e120 watt RMS.\u003cbr\u003e\u003cem\u003eThe voice of the system.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe midrange everyone starts from: 6.5\"\/16.5 cm, 96 dB, a 25 Oz ferrite motor and a solid aluminium phase plug. It carries the voice and the guitars over the bass, without shouting. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-showcase.jpg?v=1793968567\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-showcase.jpg?v=1793968567\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-showcase.jpg?v=1793968567\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-showcase.jpg?v=1793968567\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP 6.5CM midrange pair in front of the open SP Audio box\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e120\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e240\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e96\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FULL THIELE-SMALL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e120 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e240 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω, MINIMUM 3.2 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e96 dB: it plays loud on little power\u003c\/b\u003e\n\u003cp\u003eThree decibels of sensitivity are worth double the amplifier. At 96 dB a 120 W channel is already a lot of sound inside a car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe phase plug instead of the dust cap\u003c\/b\u003e\n\u003cp\u003eA solid aluminium plug in the centre of the cone: it keeps the response clean off-axis and pulls heat away from the voice coil.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA cone that keeps its shape\u003c\/b\u003e\n\u003cp\u003eCompressed paper with fiberglass, black painted. Light enough to stay fast, rigid enough not to bend at high volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eIt goes in the standard 6.5\" hole\u003c\/b\u003e\n\u003cp\u003e165 mm nominal, 4 ohm, M-ROLL polycotton surround: it replaces the factory speaker in most doors without adapting anything.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-cone.jpg?v=1793968567\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-cone.jpg?v=1793968567\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-cone.jpg?v=1793968567\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 6.5CM midrange close up: cone, surround and phase plug\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the cone\u003c\/b\u003eCompressed paper and fiberglass, M-ROLL polycotton surround, solid aluminium phase plug in the centre.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-side.jpg?v=1793968566\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-side.jpg?v=1793968566\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-side.jpg?v=1793968566\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 6.5CM midrange from the front and from the back: ferrite magnet and orange basket\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003e25 Oz ferrite magnet, 30.5 mm EISV voice coil wound with 220 °C aluminium wire.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-6.5CM-Manual-EN-2026.pdf?v=1790449640\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box with the protective grille foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 6.5CM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-pair.jpg?v=1793968567\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-pair.jpg?v=1793968567\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-ai-pair.jpg?v=1793968567\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP 6.5CM midrange speakers on the SP Audio box in orange smoke\" width=\"560\" height=\"560\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e120 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e240 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e165 mm (6.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e96 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e100 Hz - 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e30.5 mm \/ 1.2\" EISV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e25 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper, fiberglass, black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e118 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.624\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.671\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e9.061\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e4.67 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e147 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e151.28 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e12.06 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e6.53 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e1.101 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eMIDRANGE 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 170 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6mm-200-watt-rms\"\u003e\u003csmall\u003eMIDRANGE EXTREME 6.5\"\u003c\/small\u003e\u003cstrong\u003eSP 6MM — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm-slim-100-watt-rms\"\u003e\u003csmall\u003eSHALLOW MOUNT 6.5\"\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM SLIM\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 100 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain with your ears off.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeal the door panel.\u003c\/b\u003e A midrange in an open door loses mid-bass: sound-deaden the panel and you gain more than changing the speaker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 6.5CM handle?\u003c\/b\u003e120 W RMS continuous and 240 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal (3.2 ohm minimum): an amplifier able to deliver about 120 W RMS at 4 ohm on each channel is the right match.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit in my door?\u003c\/b\u003eIt is a standard 6.5\" \/ 165 mm frame. In most cars it replaces the factory speaker directly; some need an adapter ring.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cut it?\u003c\/b\u003eHigh-pass at 100 Hz or above. It runs to 20 kHz, so with a tweeter you can cross high or let it run full.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the magnet and the phase plug made of?\u003c\/b\u003eA 25 Oz ferrite magnet and a solid aluminium phase plug, which helps dissipate heat from the voice coil.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 6.5CM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"120 W RMS continuous and 240 W peak, per speaker. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 6.5CM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal, 3.2 ohm minimum. An amplifier able to deliver about 120 W RMS at 4 ohm on each channel is the right match.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP 6.5CM fit a standard car door?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, it is a standard 6.5 inch \/ 165 mm frame. In most cars it replaces the factory speaker directly; some cars need an adapter ring.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 6.5CM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 100 Hz or above. It runs to 20 kHz, so with a tweeter you can cross high or let it run full range.\"}},{\"@type\":\"Question\",\"name\":\"What magnet does the SP 6.5CM use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 25 Oz ferrite magnet with a solid aluminium phase plug that helps dissipate heat from the voice coil.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42851946692820,"sku":"15000","price":89.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-cover-2026.jpg?v=1793968567"},{"product_id":"sp-12mm","title":"SP 12MM Midrange Extreme 12\" 500W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · ferrite · 12 inch\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e101.5 dB.\u003cbr\u003e\u003cem\u003eTwelve inches of midbass.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 12\" midrange built for level: 500 W RMS, 101.5 dB, a 76.2 mm (3\") CCAW voice coil and an 85 Oz ferrite motor behind 530 cm² of cone. 45 Hz to 6 kHz — low enough to carry the midbass, so the subwoofer only has to do the bass. Unit price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-showcase.jpg?v=1793964555\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-showcase.jpg?v=1793964555\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-showcase.jpg?v=1793964555\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-showcase.jpg?v=1793964555\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"Three SP 12MM 12 inch midrange extreme speakers glowing in amber light\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e101.5\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FERRITE MOTOR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e1000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e101.5 dB from 530 cm² of cone\u003c\/b\u003e\n\u003cp\u003eSensitivity comes from area and motor, not from watts. 530 cm² of Sd and a Bl of 11.848 TM: one watt in, 101.5 dB out.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e500 W RMS on a 3\" coil\u003c\/b\u003e\n\u003cp\u003e76.2 mm of CCAW voice coil: the thermal reserve that lets it take 500 W of continuous work, not a burst rating.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDown to 45 Hz\u003c\/b\u003e\n\u003cp\u003eIt reaches 45 Hz, so it carries the midbass — kick, bass guitar, the punch you feel in the chest — and leaves only the low bass to the subwoofer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e85 Oz ferrite, built to last\u003c\/b\u003e\n\u003cp\u003eA big ferrite ring and a curvilinear fiberglass reinforced paper cone: no exotic materials to fail, just the mass and the stiffness the job needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-cone.jpg?v=1793964555\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-cone.jpg?v=1793964555\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-cone.jpg?v=1793964555\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 12MM cone and orange phase plug\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the cone\u003c\/b\u003eCurvilinear profile, fiberglass reinforced paper, M-ROLL polycotton surround, solid aluminium phase plug in the centre.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-side.jpg?v=1793964555\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-side.jpg?v=1793964555\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-side.jpg?v=1793964555\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 12MM orange basket and ferrite motor, side view\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003e85 Oz ferrite magnet, 76.2 mm CCAW voice coil, Bl 11.848 TM.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-12MM-Manual-EN-2026.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne speaker, sold singly.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one SP 12MM. SPL builds use them in twos and fours: order the number your project needs, they ship from the same production batch. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP 12MM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-pair.jpg?v=1793964555\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-pair.jpg?v=1793964555\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-ai-pair.jpg?v=1793964555\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"Two SP 12MM midrange extreme speakers, front and side, in orange smoke\" width=\"560\" height=\"560\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e1000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e300 mm (12\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e101.5 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e45 Hz - 6 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e76.2 mm \/ 3\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCopper clad aluminium wire (CCAW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e85 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCurvilinear, fiberglass reinforced paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOUNTING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e310.5 mm (12.2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-out diameter\u003c\/td\u003e\n\u003ctd\u003e282.5 mm (11.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eUnit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e88 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.7 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.577\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.631\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e6.740\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e30 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e1.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e530 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e75.2 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e43.082 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e11.848 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e3.19 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-12mm-neo-500-watt-rms\"\u003e\u003csmall\u003eNEODYMIUM 12\"\u003c\/small\u003e\u003cstrong\u003eSP 12MM NEO — 500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10hm\"\u003e\u003csmall\u003eNEODYMIUM 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10HM — 500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-12cx-2500-watt-rms-power\"\u003e\u003csmall\u003eSUBWOOFER 12\"\u003c\/small\u003e\u003cstrong\u003eSP 12CX — 2500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a subwoofer: cut below 45 Hz and let the sub do the low bass. Xmax is 1.5 mm — it is built for level, not for excursion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBring the tweeter in below 6 kHz.\u003c\/b\u003e The cone stops at 6 kHz, so the top end has to be covered by a tweeter, low-passed and high-passed to meet it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck the numbers first.\u003c\/b\u003e Cut-out 282.5 mm, outer 310.5 mm: a 12\" midrange wants a custom baffle or a door pod, solidly fixed. Measure the depth available in your panel before you cut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 12MM handle?\u003c\/b\u003e500 W RMS continuous and 1000 W peak. The price on this page is for one speaker.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 500 W RMS at 4 ohm on the channel that drives it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the SP 12MM NEO?\u003c\/b\u003eSame 12\" cone and the same 500 W RMS. The NEO uses a neodymium magnet, so the motor is much smaller and lighter; this one uses an 85 Oz ferrite magnet.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat hole do I need to cut?\u003c\/b\u003e282.5 mm (11.1\"), with a 310.5 mm (12.2\") outer diameter.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cross it?\u003c\/b\u003eHigh-pass at 45 Hz or above. It runs to 6 kHz, so the tweeter has to come in by then.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 12MM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"500 W RMS continuous and 1000 W peak. The price on the product page is for one speaker.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 12MM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 500 W RMS at 4 ohm on the channel that drives it.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 12MM and the SP 12MM NEO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same 12 inch cone and the same 500 W RMS. The NEO uses a neodymium magnet, so the motor is much smaller and lighter; the SP 12MM uses an 85 Oz ferrite magnet.\"}},{\"@type\":\"Question\",\"name\":\"What hole does the SP 12MM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 282.5 mm (11.1 inch) cut-out, with a 310.5 mm (12.2 inch) outer diameter.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 12MM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 45 Hz or above. It runs to 6 kHz, so the tweeter has to come in by then.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42851947512020,"sku":"15252","price":205.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-12mm-cover-2026.jpg?v=1793964555"},{"product_id":"sp-8cw-200-watt-rms","title":"SP 8CW Subwoofer 8\" 200W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .vids,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .vids figure{margin:0 auto 16px;max-width:430px}.sp4 .vids video{display:block;width:100%;height:auto;background:#0B0B0B;border:1px solid #262626;border-radius:10px}.sp4 .vids figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 2px 0;text-align:center}.sp4 .vids figcaption b{color:#E8560F}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .cw figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 12px 12px}.sp4 .cw figcaption b{color:#E8560F}.sp4 .cw figure{margin:0}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 8\" \/ 20 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e200 watt RMS.\u003cbr\u003e\u003cem\u003e38.6 mm \/ 1.5\" voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eAn entry-level 8\"\/20 cm subwoofer built around a 38.6 mm \/ 1.5\" dual voice coil: 2+2 ohm, 200 W RMS continuous, 400 W peak, 83 dB sensitivity. Black non-pressed paper cone, wire large “R” form suspension, 200 °C copper (Cu) winding. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-8cw-poster-2026.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-8cw-poster-2026.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-8cw-poster-2026.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-8cw-poster-2026.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 8CW subwoofer, 200 W RMS, 2+2 ohm\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e83\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003eWatch it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vids\"\u003e\n\u003cfigure\u003e\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/preview_images\/e9c294a9fcb54ac2a7d96febed3eb7a3.thumbnail.0000000000.jpg?v=1792773289\u0026amp;width=520\" width=\"606\" height=\"1080\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/e9c294a9fcb54ac2a7d96febed3eb7a3\/e9c294a9fcb54ac2a7d96febed3eb7a3.HD-720p-1.6Mbps-98669546.mp4\" type=\"video\/mp4\"\u003eYour browser cannot play this video.\u003c\/source\u003e\u003c\/video\u003e\n\u003cfigcaption\u003e\u003cb\u003eThe SP 8CW in video\u003c\/b\u003e · 8\"\/20 cm cone, 2+2 Ω dual voice coil, 200 W RMS · audio in English · 0:27\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 12px;\"\u003e▶ NOTHING IS DOWNLOADED UNTIL YOU PRESS PLAY\u003c\/p\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 38.6 MM \/ 1.5\" VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 200 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e200 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 200 W RMS is the power the voice coil handles continuously, with 400 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 38.6 mm \/ 1.5\" voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 200 °C copper (Cu).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe easy way into bass\u003c\/b\u003e\n\u003cp\u003eBlack non-pressed paper cone, wire large “R” form suspension: a light moving assembly that gives full bass with a small amplifier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 8CW\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-8CW-Manual-EN-2026.pdf?v=1790621476\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003eOne \u003cb\u003eSP 8CW\u003c\/b\u003e subwoofer — the price is for a single unit.\u003c\/li\u003e\n\u003cli\u003eThe full user manual in PDF, linked above, with the wiring diagram of the two voice coils.\u003c\/li\u003e\n\u003cli\u003eInvoice from an Italian company, shipping from our warehouse in Italy.\u003c\/li\u003e\n\u003cli\u003eFree technical support from Italy before and after the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER AND LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e210 mm (8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm (dual voice coil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTICS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (1 W \/ 1 m)\u003c\/td\u003e\n\u003ctd\u003e83 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e30 Hz – 1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR AND MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e38.6 mm \/ 1.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e200 °C copper (Cu)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eWire, large “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eBlack non-pressed paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-4-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 4 AWG\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1x0GA IN + 3x4GA OUT\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-12cxx-2800-watt-rms\"\u003e\u003csmall\u003eSTEP UP TO 12\"\u003c\/small\u003e\u003cstrong\u003eSP 12CXXX — 2800 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm, in series 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 200 W RMS.\u003c\/b\u003e Sizing on the 400 W PEAK figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e Even an 8\" cone loads the box: thick panels, braced and sealed, or the box will lose output and rattle. The product sheet does not give a recommended box volume: write to us and we will work it out with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier,\u003c\/b\u003e with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 8CW handle?\u003c\/b\u003e200 W RMS continuous and 400 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 200 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 210 mm (8\"), voice coil 38.6 mm \/ 1.5\".\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency range?\u003c\/b\u003e30 Hz – 1 kHz, with 83 dB sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 8CW handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"200 W RMS continuous and 400 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 200 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 210 mm (8\\\"), voice coil 38.6 mm \/ 1.5\\\".\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"30 Hz – 1 kHz, with 83 dB sensitivity.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"VideoObject\",\"name\":\"SP 8CW subwoofer 8 inch 200 W RMS - product video\",\"description\":\"Product video of the SP Audio SP 8CW: 8 inch (20 cm) car subwoofer, 200 W RMS continuous and 400 W peak, dual voice coil 2+2 ohm, 38.6 mm (1.5 inch) voice coil, 83 dB sensitivity, 30 Hz - 1 kHz. Price per single unit.\",\"thumbnailUrl\":\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/preview_images\/e9c294a9fcb54ac2a7d96febed3eb7a3.thumbnail.0000000000.jpg\",\"uploadDate\":\"2026-10-23\",\"duration\":\"PT27S\",\"inLanguage\":\"en\",\"contentUrl\":\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/e9c294a9fcb54ac2a7d96febed3eb7a3\/e9c294a9fcb54ac2a7d96febed3eb7a3.HD-720p-1.6Mbps-98669546.mp4\",\"embedUrl\":\"https:\/\/spaudio.it\/products\/sp-8cw-200-watt-rms\",\"publisher\":{\"@type\":\"Organization\",\"name\":\"SP Audio - Audiocar Import \u0026 Export SRLS\"}}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855832125652,"sku":"1608","price":79.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-8cw-cover-2026-f9dc5876.jpg?v=1793620796"},{"product_id":"sp-10cw-200-watt-rms","title":"SP 10CW Subwoofer 10\" 200W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .cw figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 12px 12px}.sp4 .cw figcaption b{color:#E8560F}.sp4 .cw figure{margin:0}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 10\" \/ 26 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e200 watt RMS.\u003cbr\u003e\u003cem\u003e50 mm \/ 2\" voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eAn entry-level 10\"\/26 cm subwoofer built around a 50 mm \/ 2\" dual voice coil: 2+2 ohm, 200 W RMS continuous, 400 W peak, 87 dB sensitivity. Black non-pressed paper cone, wire large “R” form suspension, 200 °C copper (Cu) winding. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-10cw-poster-2026.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-10cw-poster-2026.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-10cw-poster-2026.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-10cw-poster-2026.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 10CW subwoofer, 200 W RMS, 2+2 ohm\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e87\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 50 MM \/ 2\" VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 200 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e200 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 200 W RMS is the power the voice coil handles continuously, with 400 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 50 mm \/ 2\" voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 200 °C copper (Cu).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe easy way into bass\u003c\/b\u003e\n\u003cp\u003eBlack non-pressed paper cone, wire large “R” form suspension: a light moving assembly that gives full bass with a small amplifier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 10CW\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-10CW-Manual-EN-2026.pdf?v=1790621476\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003eOne \u003cb\u003eSP 10CW\u003c\/b\u003e subwoofer — the price is for a single unit.\u003c\/li\u003e\n\u003cli\u003eThe full user manual in PDF, linked above, with the wiring diagram of the two voice coils.\u003c\/li\u003e\n\u003cli\u003eInvoice from an Italian company, shipping from our warehouse in Italy.\u003c\/li\u003e\n\u003cli\u003eFree technical support from Italy before and after the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER AND LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e261 mm (10\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm (dual voice coil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTICS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (1 W \/ 1 m)\u003c\/td\u003e\n\u003ctd\u003e87 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e32 Hz – 2 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR AND MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e50 mm \/ 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e200 °C copper (Cu)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eWire, large “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eBlack non-pressed paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-4-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 4 AWG\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1x0GA IN + 3x4GA OUT\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-12cxx-2800-watt-rms\"\u003e\u003csmall\u003eSTEP UP TO 12\"\u003c\/small\u003e\u003cstrong\u003eSP 12CXXX — 2800 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm, in series 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 200 W RMS.\u003c\/b\u003e Sizing on the 400 W PEAK figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e Even a 10\" cone loads the box: thick panels, braced and sealed, or the box will lose output and rattle. The product sheet does not give a recommended box volume: write to us and we will work it out with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e, with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 10CW handle?\u003c\/b\u003e200 W RMS continuous and 400 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 200 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 261 mm (10\"), voice coil 50 mm \/ 2\".\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency range?\u003c\/b\u003e32 Hz – 2 kHz, with 87 dB sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 10CW handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"200 W RMS continuous and 400 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 200 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 261 mm (10\\\"), voice coil 50 mm \/ 2\\\".\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"32 Hz – 2 kHz, with 87 dB sensitivity.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855845134548,"sku":"16101","price":108.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-10cw-cover-2026-c51008fa.jpg?v=1793620796"},{"product_id":"sp-12c-400-watt-rms","title":"SP 12C Subwoofer 12\" 400W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 12\" \/ 30 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e400 watt RMS.\u003cbr\u003e\u003cem\u003e60.5 mm voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 12\" \/ 30 cm subwoofer built around a 60.5 mm (2.4\") dual voice coil: 2+2 ohm rated impedance, 400 W RMS continuous, 800 W peak, 87.5 dB sensitivity, 25–300 Hz. Compressed paper and fibreglass cone, large “R” suspension, 180 °C aluminium winding. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12c-poster-2026.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12c-poster-2026.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12c-poster-2026.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12c-poster-2026.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 12C subwoofer, 400 W RMS, 2+2 ohm\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e800\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e87.5\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 60.5 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e800 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 400 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e400 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 400 W RMS is the power the voice coil handles continuously, with 800 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 60.5 mm (2.4\") voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 180 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo 2 ohm coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003ePaper, fibreglass and a large “R” suspension\u003c\/b\u003e\n\u003cp\u003eA compressed paper and fibreglass cone with black painting, on a large “R” form suspension: a moving assembly built to work, not to look good in a photo.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 12C\u003c\/div\u003e\n\u003cp\u003eVoice coil wiring, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-12C-Manual-EN-2026.pdf?v=1790621476\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eIN THE BOX\u003c\/b\u003e\n\u003cp\u003eOne SP 12C subwoofer, sold as a single unit, in its SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eNot included:\u003c\/b\u003e enclosure, amplifier, cables and fixings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e300 mm (12\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e800 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e87.5 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e25–300 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e60.5 mm \/ 2.4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e180 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass + black painting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/kit-cable-4-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 4 AWG\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1×0GA IN + 3×4GA OUT\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/sp-15c-500-watt-rms\"\u003e\u003csmall\u003eANOTHER SUBWOOFER\u003c\/small\u003e\u003cstrong\u003eSP 15C — 500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm; in series they give 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 400 W RMS.\u003c\/b\u003e Sizing on the 800 W peak figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e Thick panels, braced and sealed: follow the enclosure indications in the user manual, or the box will lose output and rattle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 12C handle?\u003c\/b\u003e400 W RMS continuous and 800 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil, 2+2 ohm rated. Wired in series the two coils give 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 400 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 300 mm (12\"), voice coil 60.5 mm (2.4\").\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat frequency range does it cover?\u003c\/b\u003e25 to 300 Hz, with 87.5 dB of sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 12C handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"400 W RMS continuous and 800 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil, 2+2 ohm rated. Wired in series the two coils give 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 400 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 300 mm (12\\\"), voice coil 60.5 mm (2.4\\\").\"}}, {\"@type\": \"Question\", \"name\": \"What frequency range does it cover?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"25 to 300 Hz, with 87.5 dB of sensitivity.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855929872596,"sku":"16310","price":219.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12c-cover-2026-73744528.jpg?v=1793620797"},{"product_id":"sp-12cxx-2800-watt-rms","title":"SP 12CXXX Subwoofer 12\" 2800W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .vids,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .vids figure{margin:0 auto 16px;max-width:430px}.sp4 .vids video{display:block;width:100%;height:auto;background:#0B0B0B;border:1px solid #262626;border-radius:10px}.sp4 .vids figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 2px 0;text-align:center}.sp4 .vids figcaption b{color:#E8560F}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .swipe,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}.sp4 .swipe figure{flex:0 0 330px;max-width:330px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 12\" \/ 30 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e2800 watt RMS.\u003cbr\u003e\u003cem\u003e65.5 mm voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 12\"\/30 cm SPL subwoofer built around a 65.5 mm (2.5\") dual voice coil: 2+2 ohm, 2800 W RMS continuous, 5600 W peak, 87.4 dB sensitivity. Compressed paper and fibreglass cone, large \"R\" suspension, 220 °C aluminium winding. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cxxx-cover-2026.jpg?v=1793620833\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cxxx-cover-2026.jpg?v=1793620833\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cxxx-cover-2026.jpg?v=1793620833\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cxxx-cover-2026.jpg?v=1793620833\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 12CXXX subwoofer, 2800 W RMS, 2+2 ohm\" width=\"760\" height=\"760\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e2800\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e5600\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e87.4\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003eWatch it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vids\"\u003e\n\u003cfigure\u003e\u003cvideo controls=\"controls\" preload=\"none\" playsinline=\"\" poster=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/preview_images\/94da8a13aee940019a1cd4939a79c395.thumbnail.0000000000.jpg?v=1789183619\"\u003e\u003csource src=\"https:\/\/cdn.shopify.com\/videos\/c\/vp\/94da8a13aee940019a1cd4939a79c395\/94da8a13aee940019a1cd4939a79c395.HD-1080p-4.8Mbps-94186947.mp4\" type=\"video\/mp4\"\u003e\u003c\/video\u003e\n\u003cfigcaption\u003e\u003cb\u003eThe SP 12CXXX in motion\u003c\/b\u003e · cone, suspension, magnet assembly · with sound\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 12px;\"\u003e▶ NOTHING IS DOWNLOADED UNTIL YOU PRESS PLAY\u003c\/p\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 65.5 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e2800 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e5600 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 2800 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e2800 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 2800 W RMS is the power the voice coil handles continuously, with 5600 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 65.5 mm (2.5\") voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 220 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCone built to be driven hard\u003c\/b\u003e\n\u003cp\u003eCompressed paper with fibreglass and black paint, large \"R\" suspension: it takes the excursion without losing shape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 12CXXX\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-12CXXX-Manual-EN-2026.pdf?v=1790621555\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e300 mm (12\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e2800 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e5600 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e87.4 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e25–300 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e65.5 mm \/ 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge \"R\" form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass + black painting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-0awg-100-ofc-58mm2-red\"\u003e\u003csmall\u003ePOWER CABLE\u003c\/small\u003e\u003cstrong\u003eSP 0GA RED 100% OFC\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-0-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 0 AWG\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-afs-01-fuseholder-mini-anl-1x4ga-8ga-in-1x4-8-ga-out\"\u003e\u003csmall\u003eLINE PROTECTION\u003c\/small\u003e\u003cstrong\u003eSP AFS4 fuse holder 4 GA\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm; in series they give 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 2800 W RMS.\u003c\/b\u003e Sizing on the 5600 W peak figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e A 12\" cone moving this much air loads the box: thick panels, braced and sealed, or the box will lose output and rattle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e, with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 12CXXX handle?\u003c\/b\u003e2800 W RMS continuous and 5600 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 2800 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 300 mm (12\"), voice coil 65.5 mm (2.5\").\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency range?\u003c\/b\u003e25–300 Hz, with 87.4 dB sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 12CXXX handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"2800 W RMS continuous and 5600 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 2800 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 300 mm (12\\\"), voice coil 65.5 mm (2.5\\\").\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"25–300 Hz, with 87.4 dB sensitivity.\"}}]}\u003c\/script\u003e \u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"VideoObject\", \"name\": \"SP 12CXXX subwoofer 12\\\"\/30 cm - 2800 W RMS, 2+2 ohm dual voice coil\", \"description\": \"Product video of the SP Audio SP 12CXXX subwoofer: 12\\\"\/30 cm SPL subwoofer, 2800 W RMS, 5600 W peak, 2+2 ohm dual voice coil, 65.5 mm voice coil, compressed paper and fibreglass cone.\", \"thumbnailUrl\": \"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/preview_images\/94da8a13aee940019a1cd4939a79c395.thumbnail.0000000000.jpg\", \"uploadDate\": \"2026-09-12\", \"contentUrl\": \"https:\/\/cdn.shopify.com\/videos\/c\/vp\/94da8a13aee940019a1cd4939a79c395\/94da8a13aee940019a1cd4939a79c395.HD-1080p-4.8Mbps-94186947.mp4\", \"embedUrl\": \"https:\/\/spaudio.it\/products\/sp-12cxx-2800-watt-rms\", \"publisher\": {\"@type\": \"Organization\", \"name\": \"SP Audio - Audiocar Import \u0026 Export SRLS\"}}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855930462420,"sku":"16002","price":649.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cxxx-cover-2026.jpg?v=1793620833"},{"product_id":"sp-12cc-800-watt-rms","title":"SP 12CC Subwoofer 12\" 800W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 12\" \/ 30 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e800 watt RMS.\u003cbr\u003e\u003cem\u003e65.5 mm voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 12\" \/ 30 cm subwoofer built around a 65.5 mm (2.5\") dual voice coil: 2+2 ohm, 800 W RMS continuous, 1600 W peak, 88.5 dB sensitivity. Compressed paper and fibreglass cone, large “R” suspension, 180 °C aluminium winding. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cc-cover-2026.jpg?v=1793620878\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cc-cover-2026.jpg?v=1793620878\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cc-cover-2026.jpg?v=1793620878\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cc-cover-2026.jpg?v=1793620878\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 12CC subwoofer, 800 W RMS, 2+2 ohm\" width=\"760\" height=\"760\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e800\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1600\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e88.5\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 65.5 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e800 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e1600 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 800 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e800 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 800 W RMS is the power the voice coil handles continuously, with 1600 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 65.5 mm (2.5\") voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 180 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCone built to be driven hard\u003c\/b\u003e\n\u003cp\u003eCompressed paper with fibreglass and black paint, large “R” suspension: it takes the excursion without losing shape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 12CC\u003c\/div\u003e\n\u003cp\u003eVoice coil wiring, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-12CC-Manual-EN-2026.pdf?v=1790621554\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eIN THE BOX\u003c\/b\u003e\n\u003cp\u003eOne SP 12CC subwoofer, sold as a single unit, in its SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eNot included:\u003c\/b\u003e enclosure, amplifier, cables and fixings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e300 mm (12\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e800 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e1600 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e88.5 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e25–300 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e65.5 mm \/ 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e180 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass + black painting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/kit-cable-4-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 4 AWG\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1×0GA IN + 3×4GA OUT\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/sp-12cxx-2800-watt-rms\"\u003e\u003csmall\u003eANOTHER SUBWOOFER\u003c\/small\u003e\u003cstrong\u003eSP 12CXXX — 2800 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm; in series they give 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 800 W RMS.\u003c\/b\u003e Sizing on the 1600 W peak figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e A 12\" \/ 30 cm cone moving this much air loads the box: thick panels, braced and sealed. The manufacturer does not publish a recommended volume for this model — ask our support before you cut the panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 12CC handle?\u003c\/b\u003e800 W RMS continuous and 1600 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm. Wired in series the two coils give 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 800 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 300 mm (12\"), voice coil 65.5 mm (2.5\").\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency range?\u003c\/b\u003e25–300 Hz, with 88.5 dB sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 12CC handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"800 W RMS continuous and 1600 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm. Wired in series the two coils give 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 800 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 300 mm (12\\\"), voice coil 65.5 mm (2.5\\\").\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"25–300 Hz, with 88.5 dB sensitivity.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855931445460,"sku":"16301","price":259.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cc-cover-2026.jpg?v=1793620878"},{"product_id":"sp-12cw-300-watt-rms","title":"SP 12CW Subwoofer 12\" 300W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 12\" \/ 30 cm · entry level · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e300 watt RMS.\u003cbr\u003e\u003cem\u003e2+2 ohm, easy to wire.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eAn entry-level 12\"\/30 cm subwoofer for a first proper bass system: 2+2 ohm dual voice coil, 300 W RMS continuous, 900 W peak, 88 dB sensitivity. 50 mm (2\") voice coil wound with 200 °C copper wire, black non-pressed paper cone, large \"R\" suspension. A normal mono amplifier is enough. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_ceef6b74-4882-43ab-b6a3-7cb804d7a1e2.jpg?v=1790016021\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_ceef6b74-4882-43ab-b6a3-7cb804d7a1e2.jpg?v=1790016021\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_ceef6b74-4882-43ab-b6a3-7cb804d7a1e2.jpg?v=1790016021\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_ceef6b74-4882-43ab-b6a3-7cb804d7a1e2.jpg?v=1790016021\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt='SP 12CW entry level subwoofer 12\"\/30 cm, 300 W RMS, pair under an orange halo' width=\"760\" height=\"1004\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e900\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e88\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 50 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e900 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 300 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e300 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 300 W RMS is what the voice coil takes continuously, with 900 W of peak headroom on top. A normal mono amplifier is enough — no big-budget system needed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo 2 ohm coils: in parallel 1 ohm, in series 4 ohm. Rare at this price, and it lets you wire the sub to the amplifier you already own.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e50 mm copper voice coil\u003c\/b\u003e\n\u003cp\u003e50 mm (2\") coil wound with 200 °C copper wire: it stays in shape through a long listening session at sensible levels.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eHonest bass, sensible price\u003c\/b\u003e\n\u003cp\u003eBlack non-pressed paper cone with a large \"R\" suspension: a warm, clean low end for a first build. No SPL claims, no marketing watts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_a119feff-7c10-4da2-a426-e0b41bb499c3.jpg?v=1790016021\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_a119feff-7c10-4da2-a426-e0b41bb499c3.jpg?v=1790016021\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_a119feff-7c10-4da2-a426-e0b41bb499c3.jpg?v=1790016021\u0026amp;width=620 620w\" sizes=\"(min-width:1000px) 620px, 100vw\" alt=\"SP 12CW cone and large R suspension, front view in amber light\" width=\"620\" height=\"948\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01\u003c\/b\u003e · Black non-pressed paper cone and large \"R\" suspension\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_ceef6b74-4882-43ab-b6a3-7cb804d7a1e2.jpg?v=1790016021\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_ceef6b74-4882-43ab-b6a3-7cb804d7a1e2.jpg?v=1790016021\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_ceef6b74-4882-43ab-b6a3-7cb804d7a1e2.jpg?v=1790016021\u0026amp;width=620 620w\" sizes=\"(min-width:1000px) 620px, 100vw\" alt=\"SP 12CW orange basket and motor assembly seen from the side\" width=\"620\" height=\"819\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02\u003c\/b\u003e · Motor assembly and the two pairs of terminals\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 12CW\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-12CW-Manual-EN-2026.pdf?v=1790621555\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you get\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_a119feff-7c10-4da2-a426-e0b41bb499c3.jpg?v=1790016021\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_a119feff-7c10-4da2-a426-e0b41bb499c3.jpg?v=1790016021\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_a119feff-7c10-4da2-a426-e0b41bb499c3.jpg?v=1790016021\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 560px, 100vw\" alt=\"SP 12CW subwoofers in amber light, cone and orange basket\" width=\"560\" height=\"856\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cul\u003e\n\u003cli\u003e1 × SP 12CW subwoofer — the price is for one single unit\u003c\/li\u003e\n\u003cli\u003ePDF user manual: wiring of the two coils and full specifications\u003c\/li\u003e\n\u003cli\u003eInvoice from an Italian company, dispatched from Italy\u003c\/li\u003e\n\u003cli\u003eFree technical support from Italy, before and after the purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"n\"\u003eAmplifier, enclosure and cables are not included.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER AND LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e314 mm (12\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e900 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTICS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e88 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e30–1000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR AND MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e50 mm \/ 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e200 °C copper wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eWire, large \"R\" form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eBlack non-pressed paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-4-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 4 AWG\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1×0 GA IN, 3×4 GA OUT\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-0ga-red-100-ofc-30m-spool\"\u003e\u003csmall\u003ePOWER CABLE\u003c\/small\u003e\u003cstrong\u003eSP 0GA RED 100% OFC — 30 m spool\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm; in series they give 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 300 W RMS.\u003c\/b\u003e Sizing on the 900 W peak figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid and sealed.\u003c\/b\u003e Thick, braced, airtight panels. The recommended volume is in the manual — an undersized or leaking box loses output and rattles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e, with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 12CW handle?\u003c\/b\u003e300 W RMS continuous and 900 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. A mono amplifier delivering about 300 W RMS at the impedance you wire is enough.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 314 mm (12\"), voice coil 50 mm (2\").\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency range?\u003c\/b\u003e30–1000 Hz, with 88 dB sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 12CW handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"300 W RMS continuous and 900 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. A mono amplifier delivering about 300 W RMS at the impedance you wire is enough.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 314 mm (12\\\"), voice coil 50 mm (2\\\").\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"30–1000 Hz, with 88 dB sensitivity.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855934001364,"sku":"46100","price":138.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-12cw-cover-2026-a42b692d.jpg?v=1793620797"},{"product_id":"sp-15cw-500-watt-rms","title":"SP 15CW Entry Level Subwoofer 15\" 500W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 15\" \/ 38 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e500 watt RMS.\u003cbr\u003e\u003cem\u003e61.1 mm voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 15\" \/ 38 cm subwoofer built around a 61.1 mm (2.5\") dual voice coil: 4 ohm rated, 2+2 ohm coils, 500 W RMS continuous, 1000 W peak, 86 dB sensitivity. Black non-pressed paper cone, large “R” suspension, 200 °C aluminium winding. Sold per unit. Manufacturer's recommended vented box: 105 L tuned to 30.1 Hz.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg width=\"900\" height=\"900\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cw-cover-2026b.jpg?v=1793621776\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cw-cover-2026b.jpg?v=1793621776\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cw-cover-2026b.jpg?v=1793621776\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cw-cover-2026b.jpg?v=1793621776\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt='SP 15CW subwoofer 15\" \/ 38 cm, 500 W RMS, 2+2 ohm dual voice coil' loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e86\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 61.1 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e1000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 500 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e500 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 500 W RMS is the power the voice coil handles continuously, with 1000 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 61.1 mm (2.5\") voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 200 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e62 oz ferrite motor\u003c\/b\u003e\n\u003cp\u003eA 62 oz Y30 ferrite magnet under a black non-pressed paper cone and a large “R” suspension: 10 mm Xmax of usable excursion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 15CW\u003c\/div\u003e\n\u003cp\u003eVoice coil wiring, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-15CW-Manual-EN-2026.pdf?v=1790621523\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eIN THE BOX\u003c\/b\u003e\n\u003cp\u003eOne SP 15CW subwoofer, sold as a single unit, in its SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eNot included:\u003c\/b\u003e enclosure, amplifier, cables and fixings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e380 mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e1000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e86 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e30–1000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e61.1 mm \/ 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e200 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e62 oz Y30 ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eBlack non-pressed paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\" style=\"margin-top: 14px;\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e30.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.936\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e7.24\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e1.075\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e96.12 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e283.9 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e0.099 mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e829.58 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e2.32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPL\u003c\/td\u003e\n\u003ctd\u003e85.77 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\" style=\"margin-top: 14px;\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eRECOMMENDED VENTED BOX\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e105 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning frequency\u003c\/td\u003e\n\u003ctd\u003e30.1 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent shape\u003c\/td\u003e\n\u003ctd\u003eCircle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd correction\u003c\/td\u003e\n\u003ctd\u003eOne flanged end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/kit-cable-4-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 4 AWG\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1×0GA IN + 3×4GA OUT\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/sp-15c-500-watt-rms\"\u003e\u003csmall\u003eANOTHER SUBWOOFER\u003c\/small\u003e\u003cstrong\u003eSP 15C — 500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm; in series they give 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 500 W RMS.\u003c\/b\u003e Sizing on the 1000 W peak figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e The manufacturer gives a vented box of 105 L tuned to 30.1 Hz: thick panels, braced and sealed, or the box will lose output and rattle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 15CW handle?\u003c\/b\u003e500 W RMS continuous and 1000 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003e4 ohm rated, dual voice coil 2+2 ohm. Wired in series the two coils give 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 500 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat box does it need?\u003c\/b\u003eA vented box of 105 L tuned to 30.1 Hz, with a circular port.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 380 mm (15\"), voice coil 61.1 mm (2.5\").\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 15CW handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"500 W RMS continuous and 1000 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"4 ohm rated, dual voice coil 2+2 ohm. Wired in series the two coils give 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 500 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"What box does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A vented box of 105 L tuned to 30.1 Hz, with a circular port.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 380 mm (15\\\"), voice coil 61.1 mm (2.5\\\").\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855936753876,"sku":"1615","price":189.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cw-cover-2026b.jpg?v=1793621776"},{"product_id":"sp-15c-500-watt-rms","title":"SP 15C Subwoofer 15\" 500W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 15\" \/ 38 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e500 watt RMS.\u003cbr\u003e\u003cem\u003e65.5 mm voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 15\" \/ 38 cm subwoofer built around a 65.5 mm (2.5\") dual voice coil: 4 ohm rated, 2+2 ohm coils, 500 W RMS continuous, 1000 W peak, 89 dB sensitivity. Compressed paper and fibreglass cone, large “R” suspension, 180 °C aluminium winding. Sold per unit. Manufacturer's recommended vented box: 100 L tuned to 30 Hz.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15c-cover-2026.jpg?v=1793620877\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15c-cover-2026.jpg?v=1793620877\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15c-cover-2026.jpg?v=1793620877\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15c-cover-2026.jpg?v=1793620877\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt='SP 15C subwoofer 15\" \/ 38 cm, 500 W RMS, held inside a car interior' width=\"760\" height=\"760\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e1000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e89\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 65.5 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e1000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 500 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e500 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 500 W RMS is the power the voice coil handles continuously, with 1000 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 65.5 mm (2.5\") voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 180 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e85 oz ferrite motor\u003c\/b\u003e\n\u003cp\u003eA 85 oz Y30 ferrite magnet under a compressed paper and fibreglass cone with a large “R” suspension: 12 mm Xmax of usable excursion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure style=\"margin: 0 0 14px; background: #161616; border: 1px solid #262626;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_dc1a3d77-a880-405d-8b5e-a52839512163.jpg?v=1790015239\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_dc1a3d77-a880-405d-8b5e-a52839512163.jpg?v=1790015239\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_dc1a3d77-a880-405d-8b5e-a52839512163.jpg?v=1790015239\u0026amp;width=620 620w\" sizes=\"(min-width:1000px) 480px, 100vw\" alt=\"SP 15C — cone and large R suspension, front view, in a car\" width=\"620\" height=\"797\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption style=\"font-size: 11px; letter-spacing: 1.4px; color: #9d9d9d; padding: 10px 12px; text-transform: uppercase;\"\u003e\u003cb\u003eCone and suspension\u003c\/b\u003e · front view\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure style=\"margin: 0 0 14px; background: #161616; border: 1px solid #262626;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_6bf87994-d43f-427f-aa9c-0df81ccc4e07.jpg?v=1790015239\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_6bf87994-d43f-427f-aa9c-0df81ccc4e07.jpg?v=1790015239\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_6bf87994-d43f-427f-aa9c-0df81ccc4e07.jpg?v=1790015239\u0026amp;width=620 620w\" sizes=\"(min-width:1000px) 480px, 100vw\" alt=\"SP 15C — orange cast basket and 65.5 mm voice coil terminals, side view\" width=\"620\" height=\"797\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption style=\"font-size: 11px; letter-spacing: 1.4px; color: #9d9d9d; padding: 10px 12px; text-transform: uppercase;\"\u003e\u003cb\u003eMagnet assembly\u003c\/b\u003e · rear view\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 15C\u003c\/div\u003e\n\u003cp\u003eVoice coil wiring, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-15C-Manual-EN-2026.pdf?v=1790621523\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_635e8a5a-51e7-4949-aca7-eb5af24fffbf.jpg?v=1790015239\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_635e8a5a-51e7-4949-aca7-eb5af24fffbf.jpg?v=1790015239\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_635e8a5a-51e7-4949-aca7-eb5af24fffbf.jpg?v=1790015239\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 460px, 100vw\" alt='SP 15C 15\" \/ 38 cm subwoofer as delivered, single unit, seen from the rear' width=\"560\" height=\"374\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIN THE BOX\u003c\/b\u003e\n\u003cp\u003eOne SP 15C subwoofer, sold as a single unit, in its SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eNot included:\u003c\/b\u003e enclosure, amplifier, cables and fixings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e380 mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e1000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e89 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e25–300 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e65.5 mm \/ 2.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e180 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e85 oz Y30 ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass + black painting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\" style=\"margin-top: 14px;\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e28.54 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.498\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e5.025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.553\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e117.79 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e242.198 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e128.37 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e804.2 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDd\u003c\/td\u003e\n\u003ctd\u003e32.00 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e17.73 T·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPL\u003c\/td\u003e\n\u003ctd\u003e89 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\" style=\"margin-top: 14px;\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eRECOMMENDED VENTED BOX\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e100 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning frequency\u003c\/td\u003e\n\u003ctd\u003e30 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent shape\u003c\/td\u003e\n\u003ctd\u003eCircle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent diameter\u003c\/td\u003e\n\u003ctd\u003eø102 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent length\u003c\/td\u003e\n\u003ctd\u003e17.23 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCross-sectional area\u003c\/td\u003e\n\u003ctd\u003e81.7 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd correction\u003c\/td\u003e\n\u003ctd\u003eTwo flanged ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/kit-cable-4-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 4 AWG\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1×0GA IN + 3×4GA OUT\u003c\/strong\u003e\u003c\/a\u003e \u003ca href=\"\/ja\/products\/sp-15cw-500-watt-rms\"\u003e\u003csmall\u003eANOTHER SUBWOOFER\u003c\/small\u003e\u003cstrong\u003eSP 15CW — 500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm; in series they give 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 500 W RMS.\u003c\/b\u003e Sizing on the 1000 W peak figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e The manufacturer gives a vented box of 100 L tuned to 30 Hz: thick panels, braced and sealed, or the box will lose output and rattle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 15C handle?\u003c\/b\u003e500 W RMS continuous and 1000 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003e4 ohm rated, dual voice coil 2+2 ohm. Wired in series the two coils give 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 500 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat box does it need?\u003c\/b\u003eA vented box of 100 L tuned to 30 Hz, with a circular port of ø102 mm and 17.23 cm long.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 380 mm (15\"), voice coil 65.5 mm (2.5\").\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 15C handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"500 W RMS continuous and 1000 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"4 ohm rated, dual voice coil 2+2 ohm. Wired in series the two coils give 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 500 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"What box does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A vented box of 100 L tuned to 30 Hz, with a circular port of ø102 mm and 17.23 cm long.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 380 mm (15\\\"), voice coil 65.5 mm (2.5\\\").\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855943798996,"sku":"16311","price":279.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15c-cover-2026.jpg?v=1793620877"},{"product_id":"sp-15cc-1000-watt-rms","title":"SP 15CC Subwoofer 15\" 1000W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 15\"\/38 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e1000 watt RMS.\u003cbr\u003e\u003cem\u003e76.2 mm \/ 3\" voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 15\"\/38 cm subwoofer built around a 76.2 mm \/ 3\" dual voice coil: 2+2 ohm, 1000 W RMS continuous, 2000 W peak, 89 dB sensitivity. Cone in compressed paper, fibreglass and black paint, large \"R\" suspension, 180 °C aluminium wire winding. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cc-cover-2026c.jpg?v=1793621839\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cc-cover-2026c.jpg?v=1793621839\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cc-cover-2026c.jpg?v=1793621839\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cc-cover-2026c.jpg?v=1793621839\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 15CC subwoofer, 1000 W RMS, 2+2 ohm\" width=\"760\" height=\"760\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e1000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e2000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e89\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e VOICE COIL 76.2 MM \/ 3\"\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e1000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX \/ PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e2000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 1000 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e1000 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 1000 W RMS is the power the voice coil handles continuously, with 2000 W of peak on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 76.2 mm \/ 3\" voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 180 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo 2 ohm coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA cone built to be driven hard\u003c\/b\u003e\n\u003cp\u003eCone in compressed paper, fibreglass and black paint, with large \"R\" suspension and 5.0 mm of Xmax: it takes the excursion without losing shape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 15CC\u003c\/div\u003e\n\u003cp\u003eWiring of the voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-15CC-Manual-EN-2026.pdf?v=1790621523\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e1 × SP 15CC subwoofer.\u003c\/b\u003e The price shown is for a single unit, not for a pair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe user manual in PDF.\u003c\/b\u003e Wiring of the voice coils, impedance and full specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAn invoice from an Italian company\u003c\/b\u003e, with EU warranty on manufacturing defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFree technical support from Italy\u003c\/b\u003e, before and after you install it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e380 mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm, dual voice coil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e1000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e2000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e89 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e20–200 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e76.2 mm \/ 3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e180 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e134 Oz Y30 ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge \"R\" form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass + black painting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e5.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e37.00 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.633\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.663\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e13.763\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e69.93 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e76.13 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e247.781 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e18.55 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e804.2 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended vented enclosure\u003c\/td\u003e\n\u003ctd\u003e80 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure tuning frequency\u003c\/td\u003e\n\u003ctd\u003e35 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-0-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 0 AWG\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-0ga-red-100-ofc-30m-spool\"\u003e\u003csmall\u003ePOWER CABLE\u003c\/small\u003e\u003cstrong\u003eSP 0GA RED 100% OFC — 30 m spool\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1×0 GA in, 3×4 GA out\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm; in series they give 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 1000 W RMS.\u003c\/b\u003e Sizing on the 2000 W figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e A 15\" cone moving this much air loads the box: thick panels, braced and sealed, or the box will lose output and rattle. The manufacturer sheet gives 80 L vented, tuned to 35 Hz.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e, with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 15CC handle?\u003c\/b\u003e1000 W RMS continuous and 2000 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 1000 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 380 mm (15\"), voice coil 76.2 mm \/ 3\".\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency range?\u003c\/b\u003e20–200 Hz, with 89 dB sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 15CC handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"1000 W RMS continuous and 2000 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 1000 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 380 mm (15\\\"), voice coil 76.2 mm \/ 3\\\".\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"20–200 Hz, with 89 dB sensitivity.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855947698388,"sku":"16300","price":349.01,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cc-cover-2026c.jpg?v=1793621839"},{"product_id":"sp-15cxxx-3500-watt-rms","title":"SP 15CXXX Subwoofer 15\" 3500W RMS 2+2 Ohm","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .cw figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 12px 12px}.sp4 .cw figcaption b{color:#E8560F}.sp4 .cw figure{margin:0}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 15\" \/ 38 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e3500 watt RMS.\u003cbr\u003e\u003cem\u003e75.5 mm voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 15\"\/38 cm subwoofer built around a 75.5 mm dual voice coil: 2+2 ohm, 3500 W RMS continuous, 7000 W peak, 89 dB sensitivity. compressed paper + fibreglass + black paint cone, large “R” form suspension, 220 °C aluminium wire winding. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cxxx-cover-2026.jpg?v=1793621001\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cxxx-cover-2026.jpg?v=1793621001\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cxxx-cover-2026.jpg?v=1793621001\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cxxx-cover-2026.jpg?v=1793621001\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt='SP 15CXXX subwoofer 15\"\/38 cm on display in a lit car audio shop window' width=\"900\" height=\"900\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e3500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e7000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e89\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 75.5 MM VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY WIRING\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e3500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e7000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 3500 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e3500 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 3500 W RMS is the power the voice coil handles continuously, with 7000 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 75.5 mm voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 220 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eTwo coils: in parallel 1 ohm, in series 4 ohm. You choose the impedance that matches your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCone built to be driven hard\u003c\/b\u003e\n\u003cp\u003eCompressed paper + fibreglass + black paint, large “R” form suspension: it takes the excursion without losing shape.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook closer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv class=\"ph\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cxxx-ai-1.jpg?v=1793621000\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cxxx-ai-1.jpg?v=1793621000\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cxxx-ai-1.jpg?v=1793621000\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt=\"SP 15CXXX subwoofers, basket and motor assembly in view\" width=\"2048\" height=\"2048\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003eRear and motor assembly\u003c\/b\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_b7876a5b-b5ea-4bca-8a40-f74f942b8613.jpg?v=1790014508\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_b7876a5b-b5ea-4bca-8a40-f74f942b8613.jpg?v=1790014508\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_b7876a5b-b5ea-4bca-8a40-f74f942b8613.jpg?v=1790014508\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt=\"Front view of the SP 15CXXX cone and large R form suspension on a wooden surface\" width=\"2048\" height=\"2048\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003eCone and suspension, front view\u003c\/b\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 15CXXX\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-15CXXX-Manual-EN-2026.pdf?v=1790621523\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003eOne \u003cb\u003eSP 15CXXX\u003c\/b\u003e subwoofer — the price is for a single unit.\u003c\/li\u003e\n\u003cli\u003eThe full user manual in PDF, linked above, with the wiring diagram of the two voice coils.\u003c\/li\u003e\n\u003cli\u003eInvoice from an Italian company, shipping from our warehouse in Italy.\u003c\/li\u003e\n\u003cli\u003eFree technical support from Italy before and after the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER AND LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e380 mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm (dual voice coil 2+2 ohm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e3500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e7000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTICS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (1 W \/ 1 m)\u003c\/td\u003e\n\u003ctd\u003e89 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e20–750 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR AND MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e75.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass + black paint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-0awg-100-ofc-58mm2-red\"\u003e\u003csmall\u003ePOWER CABLE\u003c\/small\u003e\u003cstrong\u003eSP 0GA RED 100% OFC\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-0-awg\"\u003e\u003csmall\u003eCOMPLETE WIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 0 AWG\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-db-01\"\u003e\u003csmall\u003eDISTRIBUTION BLOCK\u003c\/small\u003e\u003cstrong\u003eSP DB 01 — 1x0GA IN + 3x4GA OUT\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e The two 2 ohm coils in parallel give 1 ohm, in series 4 ohm. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 3500 W RMS.\u003c\/b\u003e Sizing on the 7000 W PEAK figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e A 15\" cone moving this much air loads the box: thick panels, braced and sealed, or the box will lose output and rattle. The product sheet does not give a recommended box volume: write to us and we will work it out with you.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e, with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 15CXXX handle?\u003c\/b\u003e3500 W RMS continuous and 7000 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eDual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 3500 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 380 mm (15\"), voice coil 75.5 mm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency range?\u003c\/b\u003e20–750 Hz, with 89 dB sensitivity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 15CXXX handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"3500 W RMS continuous and 7000 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Dual voice coil 2+2 ohm: wired in series it gives 4 ohm, in parallel 1 ohm. Use a mono amplifier able to deliver about 3500 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 380 mm (15\\\"), voice coil 75.5 mm.\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency range?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"20–750 Hz, with 89 dB sensitivity.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855951270100,"sku":"16003","price":669.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15cxxx-cover-2026.jpg?v=1793621001"},{"product_id":"sp-15xxx-10-000-watt-rms","title":"SP 15XXX Carbon Subwoofer 15\" 10000W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .cw figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 12px 12px}.sp4 .cw figcaption b{color:#E8560F}.sp4 .cw figure{margin:0}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 15\" \/ 38 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e10000 watt RMS.\u003cbr\u003e\u003cem\u003e4 inch voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 15\"\/38 cm subwoofer built around a 4 inch voice coil: rated 4 ohm with 2+2 ohm coils, 10000 W RMS continuous, 20000 W peak, 86.2 dB SPL sensitivity, 18–250 Hz. Compressed paper + fibreglass cone, large “R” form suspension, 280 °C aluminium wire winding, 203.6×5 Oz Y35 ferrite magnet, 60 kg per unit. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15xxx-cover-2026.jpg?v=1793620937\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15xxx-cover-2026.jpg?v=1793620937\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15xxx-cover-2026.jpg?v=1793620937\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15xxx-cover-2026.jpg?v=1793620937\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt=\"SP-15XXX 15-inch 10000 W RMS subwoofer by SP Audio, orange basket and carbon fibre look cone in a dark workshop\" width=\"2048\" height=\"2048\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e10000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e20000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e86.2\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 INCH VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e XMAX 25 MM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e10000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e20000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 10000 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e10000 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 10000 W RMS is the power the voice coil handles continuously, with 20000 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 4 inch voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 280 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eRated impedance 4 ohm with two 2 ohm coils: you choose how to wire them to match your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eBuilt for 25 mm of excursion\u003c\/b\u003e\n\u003cp\u003eCompressed paper + fibreglass cone, large “R” form suspension and a 203.6×5 Oz Y35 ferrite magnet: Xmax 25 mm, Bl 48.8 TM, 60 kg on the scale.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook closer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv class=\"ph\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15xxx-ai-3-2026.jpg?v=1793620937\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15xxx-ai-3-2026.jpg?v=1793620937\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15xxx-ai-3-2026.jpg?v=1793620937\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt=\"SP-15XXX subwoofer in amber studio light: large R form surround, cone and orange basket\" width=\"1254\" height=\"1254\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003eCone and suspension\u003c\/b\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_fe24402d-1f78-4640-83ea-8c87c8d7697b.jpg?v=1790012930\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_fe24402d-1f78-4640-83ea-8c87c8d7697b.jpg?v=1790012930\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_fe24402d-1f78-4640-83ea-8c87c8d7697b.jpg?v=1790012930\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt=\"Rear view of the SP 15XXX basket and ferrite magnet assembly on a car audio shop counter\" width=\"2048\" height=\"2048\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003eMotor and magnet assembly\u003c\/b\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 15XXX\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-15XXX-CARBON-Manual-EN-2026.pdf?v=1790621472\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003eOne \u003cb\u003eSP 15XXX\u003c\/b\u003e subwoofer — the price is for a single unit.\u003c\/li\u003e\n\u003cli\u003eThe full user manual in PDF, linked above, with the wiring diagram of the two voice coils.\u003c\/li\u003e\n\u003cli\u003eInvoice from an Italian company, shipping from our warehouse in Italy.\u003c\/li\u003e\n\u003cli\u003eFree technical support from Italy before and after the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER AND LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e380 mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e10000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e20000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTICS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (1 W \/ 1 m)\u003c\/td\u003e\n\u003ctd\u003e86.2 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e18–250 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR AND MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e280 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e203.6×5 Oz Y35 ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight of one subwoofer\u003c\/td\u003e\n\u003ctd\u003e60 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e33 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e2.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e21.8 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e876 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e0.03 mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e48.8 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e754.77 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPL\u003c\/td\u003e\n\u003ctd\u003e86.0 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eRECOMMENDED VENTED BOX\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e140 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning frequency\u003c\/td\u003e\n\u003ctd\u003e28 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent diameter\u003c\/td\u003e\n\u003ctd\u003eØ 100×100 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent length\u003c\/td\u003e\n\u003ctd\u003e44 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eRectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd correction\u003c\/td\u003e\n\u003ctd\u003eTwo flanged ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-15x-carbon-fiber-6000-watt-rms\"\u003e\u003csmall\u003eSUBWOOFER 15\"\u003c\/small\u003e\u003cstrong\u003eSP 15X CARBON FIBERS — 6000 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-15cxxx-3500-watt-rms\"\u003e\u003csmall\u003eSUBWOOFER 15\"\u003c\/small\u003e\u003cstrong\u003eSP 15CXXX BIG SURROUND — 3500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-12cx-2500-watt-rms-power\"\u003e\u003csmall\u003eSUBWOOFER 12\"\u003c\/small\u003e\u003cstrong\u003eSP 12CX — 2500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-4awg-100-ofc-32mm2-red\"\u003e\u003csmall\u003eRECOMMENDED CABLE\u003c\/small\u003e\u003cstrong\u003eSP 4GA RED 100% OFC\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e Rated impedance is 4 ohm, with two 2 ohm coils. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 10000 W RMS.\u003c\/b\u003e Sizing on the 20000 W PEAK figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e The product sheet gives a vented box of 140 L tuned to 28 Hz, vent Ø 100×100 mm and 44 cm long, two flanged ends: thick panels, braced and sealed, or the box will lose output and rattle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlan the mounting and the handling.\u003c\/b\u003e One unit weighs 60 kg: the baffle and the fixings have to hold it, and it takes two people to fit it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier\u003c\/b\u003e, with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 15XXX handle?\u003c\/b\u003e10000 W RMS continuous and 20000 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eRated impedance 4 ohm, with two 2 ohm voice coils. Use a mono amplifier able to deliver about 10000 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 380 mm (15\"), voice coil 4 inch, weight 60 kg.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhich box does it want?\u003c\/b\u003eThe product sheet gives a vented box of 140 L tuned to 28 Hz, rectangular, with a Ø 100×100 mm vent 44 cm long and two flanged ends.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 15XXX handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"10000 W RMS continuous and 20000 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Rated impedance 4 ohm, with two 2 ohm voice coils. Use a mono amplifier able to deliver about 10000 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 380 mm (15\\\"), voice coil 4 inch, weight 60 kg.\"}}, {\"@type\": \"Question\", \"name\": \"Which box does it want?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The product sheet gives a vented box of 140 L tuned to 28 Hz, rectangular, with a 100x100 mm vent 44 cm long and two flanged ends.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855974011092,"sku":"16015","price":2100.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15xxx-cover-2026.jpg?v=1793620937"},{"product_id":"sp-15x-carbon-fiber-6000-watt-rms","title":"SP 15X Carbon Subwoofer 15\" 6000W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .cw figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:9px 12px 12px}.sp4 .cw figcaption b{color:#E8560F}.sp4 .cw figure{margin:0}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esubwoofer 15\" \/ 38 cm · dual voice coil 2+2 ohm\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e6000 watt RMS.\u003cbr\u003e\u003cem\u003e4 inch voice coil.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 15\"\/38 cm subwoofer built around a 4 inch voice coil: rated 4 ohm with 2+2 ohm coils, 6000 W RMS continuous, 12000 W peak, 84 dB SPL sensitivity, 25–300 Hz. Compressed paper + fibreglass cone, large “R” form suspension, 280 °C aluminium wire winding, 119×4 Oz Y35 ferrite magnet, Xmax 32.5 mm. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15x-carbon-cover-2026.jpg?v=1793620959\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15x-carbon-cover-2026.jpg?v=1793620959\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15x-carbon-cover-2026.jpg?v=1793620959\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15x-carbon-cover-2026.jpg?v=1793620959\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt=\"SP 15X Carbon 15-inch 6000 W RMS subwoofer by SP Audio, orange basket and carbon fibre cone in a dark garage\" width=\"2048\" height=\"2048\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e6000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e12000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e84\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSENSITIVITY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DUAL VOICE COIL 2+2 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 INCH VOICE COIL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e XMAX 32.5 MM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · CONTINUOUS\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e6000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e12000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS = CONTINUOUS POWER. THE PEAK FIGURE IS A SHORT-TERM VALUE: SIZE THE AMPLIFIER ON THE 6000 W RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this subwoofer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e6000 W RMS, continuous\u003c\/b\u003e\n\u003cp\u003eNot a burst figure: 6000 W RMS is the power the voice coil handles continuously, with 12000 W of peak headroom on top.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 4 inch voice coil\u003c\/b\u003e\n\u003cp\u003eThe bigger the coil, the more heat it dissipates and the longer it survives a real session. Wound with 280 °C aluminium wire.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDual voice coil 2+2 ohm\u003c\/b\u003e\n\u003cp\u003eRated impedance 4 ohm with two 2 ohm coils: you choose how to wire them to match your amplifier instead of the other way round.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eBuilt for 32.5 mm of excursion\u003c\/b\u003e\n\u003cp\u003eCompressed paper + fibreglass cone, large “R” form suspension and a 119×4 Oz Y35 ferrite magnet: Xmax 32.5 mm, Bl 25.25 TM, Sd 754.77 cm².\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook closer\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv class=\"ph\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_9f7a6cbd-9568-42fa-be16-eb097b35fb62.jpg?v=1790013792\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_9f7a6cbd-9568-42fa-be16-eb097b35fb62.jpg?v=1790013792\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_9f7a6cbd-9568-42fa-be16-eb097b35fb62.jpg?v=1790013792\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt=\"SP 15X cone and suspension on an SP Audio workshop bench with voice coils and tools\" width=\"2048\" height=\"2048\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003eCone and suspension\u003c\/b\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15x-carbon-ai-1-2026.jpg?v=1793620959\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15x-carbon-ai-1-2026.jpg?v=1793620959\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15x-carbon-ai-1-2026.jpg?v=1793620959\u0026amp;width=560 560w\" sizes=\"(min-width:1000px) 50vw, 100vw\" alt=\"SP 15X Carbon rear view: orange motor cover and die-cast basket on a workshop floor\" width=\"2048\" height=\"2048\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003eMotor and magnet assembly\u003c\/b\u003e\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eUSER MANUAL SP 15X\u003c\/div\u003e\n\u003cp\u003eWiring of the two voice coils, impedance, mounting and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-15X-CARBON-Manual-EN-2026.pdf?v=1790621472\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · English · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003eOne \u003cb\u003eSP 15X\u003c\/b\u003e subwoofer — the price is for a single unit.\u003c\/li\u003e\n\u003cli\u003eThe full user manual in PDF, linked above, with the wiring diagram of the two voice coils.\u003c\/li\u003e\n\u003cli\u003eInvoice from an Italian company, shipping from our warehouse in Italy.\u003c\/li\u003e\n\u003cli\u003eFree technical support from Italy before and after the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSUBWOOFER — SPECIFICATIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER AND LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e380 mm (15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e2+2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e6000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e12000 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTICS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity (1 W \/ 1 m)\u003c\/td\u003e\n\u003ctd\u003e84 dB SPL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e25–300 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR AND MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e280 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e119×4 Oz Y35 ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eLarge “R” form\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper + fibreglass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e31.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.634\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e5.088\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.724\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e32.61 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e32.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e634.73 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e0.04 mm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e25.25 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e754.77 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSPL\u003c\/td\u003e\n\u003ctd\u003e84.0 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eRECOMMENDED VENTED BOX\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVolume\u003c\/td\u003e\n\u003ctd\u003e95 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTuning frequency\u003c\/td\u003e\n\u003ctd\u003e31.4 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent diameter\u003c\/td\u003e\n\u003ctd\u003eØ 110 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent length\u003c\/td\u003e\n\u003ctd\u003e26.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShape\u003c\/td\u003e\n\u003ctd\u003eCircle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVent cross area\u003c\/td\u003e\n\u003ctd\u003e88.2 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnd correction\u003c\/td\u003e\n\u003ctd\u003eTwo flanged ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER'S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-15xxx-10-000-watt-rms\"\u003e\u003csmall\u003eSUBWOOFER 15\"\u003c\/small\u003e\u003cstrong\u003eSP 15XXX CARBON FIBERS — 10000 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-15cxxx-3500-watt-rms\"\u003e\u003csmall\u003eSUBWOOFER 15\"\u003c\/small\u003e\u003cstrong\u003eSP 15CXXX BIG SURROUND — 3500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-12cx-2500-watt-rms-power\"\u003e\u003csmall\u003eSUBWOOFER 12\"\u003c\/small\u003e\u003cstrong\u003eSP 12CX — 2500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-4awg-100-ofc-32mm2-red\"\u003e\u003csmall\u003eRECOMMENDED CABLE\u003c\/small\u003e\u003cstrong\u003eSP 4GA RED 100% OFC\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDecide the impedance before you wire it.\u003c\/b\u003e Rated impedance is 4 ohm, with two 2 ohm coils. Check that your amplifier is stable at the impedance you choose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMatch the amplifier to 6000 W RMS.\u003c\/b\u003e Sizing on the 12000 W PEAK figure means overdriving the coil: use the RMS value.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBuild the enclosure rigid.\u003c\/b\u003e The product sheet gives a vented box of 95 L tuned to 31.4 Hz, with a circular vent Ø 110 mm and 26.5 cm long, two flanged ends: thick panels, braced and sealed, or the box will lose output and rattle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLeave room for the excursion.\u003c\/b\u003e Xmax is 32.5 mm: check the clearance behind the cone and keep the mounting baffle rigid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSize the power cable for the amplifier,\u003c\/b\u003e with an inline fuse close to the battery and a ground point on bare metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 15X handle?\u003c\/b\u003e6000 W RMS continuous and 12000 W peak.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it and which amplifier does it need?\u003c\/b\u003eRated impedance 4 ohm, with two 2 ohm voice coils. Use a mono amplifier able to deliver about 6000 W RMS at the impedance you wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eThe price is for one single subwoofer.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat size is it and how big is the voice coil?\u003c\/b\u003eNominal diameter 380 mm (15\"), voice coil 4 inch, Xmax 32.5 mm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhich box does it want?\u003c\/b\u003eThe product sheet gives a vented box of 95 L tuned to 31.4 Hz, with a circular vent Ø 110 mm, 26.5 cm long and two flanged ends.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — impedance, power, box litres, crossover points — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 15X handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"6000 W RMS continuous and 12000 W peak.\"}}, {\"@type\": \"Question\", \"name\": \"What impedance is it and which amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Rated impedance 4 ohm, with two 2 ohm voice coils. Use a mono amplifier able to deliver about 6000 W RMS at the impedance you wire.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one unit or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The price is for one single subwoofer.\"}}, {\"@type\": \"Question\", \"name\": \"What size is it and how big is the voice coil?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Nominal diameter 380 mm (15 inch), voice coil 4 inch, Xmax 32.5 mm.\"}}, {\"@type\": \"Question\", \"name\": \"Which box does it want?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The product sheet gives a vented box of 95 L tuned to 31.4 Hz, with a circular vent 110 mm, 26.5 cm long and two flanged ends.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42855997898964,"sku":"15600","price":1389.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-15x-carbon-cover-2026.jpg?v=1793620959"},{"product_id":"sp-10mm-neo-300-watt-rms","title":"SP 10MM NEO 新型 2026 - MIDRANGE EXTREME 10\"\/25CM ネオジムマグネット 300W RMS (1個の価格)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · neodymium · 10 inch · new 2026\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e300 watt RMS.\u003cbr\u003e\u003cem\u003eTen inches, no ballast.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe 2026 neodymium 10\"\/25 cm of the EXTREME line: 99.6 dB, a 60.5 mm (2.5\") CCAW voice coil and a solid aluminium phase plug. Same power as the ferrite SP 10MM, in a motor that is much smaller and lighter — four of them weigh like two. Unit price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_b5bcf1c5-8fc2-4502-9020-d75446ca82ab.jpg?v=1790175859\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_b5bcf1c5-8fc2-4502-9020-d75446ca82ab.jpg?v=1790175859\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_b5bcf1c5-8fc2-4502-9020-d75446ca82ab.jpg?v=1790175859\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_b5bcf1c5-8fc2-4502-9020-d75446ca82ab.jpg?v=1790175859\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP 10MM NEO midrange on a wooden workbench in a car audio workshop\" width=\"760\" height=\"1048\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e600\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e99.6\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e NEODYMIUM MOTOR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e600 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e99.6 dB: the loud lane\u003c\/b\u003e\n\u003cp\u003eAlmost 100 dB from one watt. On a 300 W channel this is competition-level output from a single 10\" cone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eNeodymium: force without bulk\u003c\/b\u003e\n\u003cp\u003eThe same magnetic force as a heavy ferrite ring in a much smaller and lighter motor. Bl of 10.5 TM — more motor than the ferrite version, with a fraction of the weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 2.5\" coil for 300 W of duty\u003c\/b\u003e\n\u003cp\u003e60.5 mm of CCAW voice coil: more winding surface, more heat capacity, more minutes at full volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA curvilinear cone\u003c\/b\u003e\n\u003cp\u003eCurvilinear fiberglass reinforced paper: the curved profile spreads break-up, so the midrange stays clean when you push it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-front.jpg?v=1793955071\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-front.jpg?v=1793955071\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-front.jpg?v=1793955071\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 10MM NEO: curvilinear cone, surround and aluminium phase plug\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the cone\u003c\/b\u003eCurvilinear fiberglass reinforced paper, M-ROLL polycotton surround, solid aluminium phase plug in the centre.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-side.jpg?v=1793955071\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-side.jpg?v=1793955071\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-side.jpg?v=1793955071\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 10MM NEO: orange basket and compact motor\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003eCompact neodymium magnet, 60.5 mm CCAW voice coil, copper-clad aluminium wire.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-10MM-NEO-Manual-EN-2026.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne speaker, sold singly.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one SP 10MM NEO. SPL builds use them in twos and fours: order the number your project needs, they ship from the same production batch. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP 10MM NEO midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-workshop.jpg?v=1793955071\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-workshop.jpg?v=1793955071\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-ai-workshop.jpg?v=1793955071\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP 10MM NEO midrange on the installer's bench\" width=\"560\" height=\"560\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e600 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e250 mm (10\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e99.6 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e50 Hz - 6 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e60.5 mm \/ 2.5\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCopper clad aluminium wire (CCAW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNeodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCurvilinear, fiberglass reinforced paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eUnit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e113 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.460\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e6.546\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e21.083 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e353 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e123.642 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e30.538 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e10.453 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e2.431 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-10mm-300-watt-rms\"\u003e\u003csmall\u003eSAME POWER, FERRITE\u003c\/small\u003e\u003cstrong\u003eSP 10MM — 300 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8mm-neo-250-watt-rms\"\u003e\u003csmall\u003eNEODYMIUM 8\"\u003c\/small\u003e\u003cstrong\u003eSP 8MM NEO — 250 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10mm-plus-400-watt-rms\"\u003e\u003csmall\u003eTHE STEP UP, 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM PLUS — 400 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a subwoofer: it reaches 50 Hz, but for SPL duty cut higher and let the subwoofer do the bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlan the mounting.\u003c\/b\u003e A 10\"\/25 cm frame does not fit factory door holes: it wants a door pod, a kick panel or a custom baffle, solidly fixed. It runs to 6 kHz: always pair it with a tweeter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 10MM NEO handle?\u003c\/b\u003e300 W RMS continuous and 600 W peak. The price on this page is for one speaker.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 300 W RMS at 4 ohm on the channel that drives it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eFor one speaker. Order the number your build needs — they ship matched from the same batch.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the SP 10MM?\u003c\/b\u003eSame 10\" cone, the same 2.5\" CCAW voice coil and the same 300 W RMS. The NEO uses a neodymium magnet: same power in a much smaller and lighter motor.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the cone made of?\u003c\/b\u003eCurvilinear fiberglass reinforced paper: light and rigid, so it keeps its shape at high volume.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 10MM NEO midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"300 W RMS continuous and 600 W peak. The price on the product page is for one speaker.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 10MM NEO need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 300 W RMS at 4 ohm on the channel that drives it.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP 10MM NEO price for one unit or a pair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For one speaker. Order the number the build needs; they ship matched from the same batch.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 10MM NEO and the SP 10MM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same 10 inch cone, the same 2.5 inch CCAW voice coil and the same 300 W RMS. The NEO uses a neodymium magnet: same power in a much smaller and lighter motor.\"}},{\"@type\":\"Question\",\"name\":\"What is the SP 10MM NEO cone made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Curvilinear fiberglass reinforced paper: light and rigid, so it keeps its shape at high volume.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856111603924,"sku":"15103","price":231.71,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-neo-cover-2026.jpg?v=1793955071"},{"product_id":"sp-10mm-300-watt-rms","title":"SP 10MM Midrange Extreme 10\" 300W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · ferrite · 10 inch\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e300 watt RMS.\u003cbr\u003e\u003cem\u003eThe 10\" for SPL.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe MIDRANGE EXTREME line in the 10\"\/25 cm size: 99.6 dB, a 54 Oz ferrite motor, a 60.5 mm (2.5\") CCAW voice coil and a solid aluminium phase plug. 353 cm² of curvilinear cone, built for doors that compete. Unit price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-ai-frame-2026.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-ai-frame-2026.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-ai-frame-2026.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-ai-frame-2026.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 10MM midrange speaker, 300 W RMS, 4 ohm\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e600\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e99.6\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FULL THIELE-SMALL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e600 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e99.6 dB: the loud lane\u003c\/b\u003e\n\u003cp\u003eAlmost 100 dB from one watt. On a 300 W channel this is competition-level output from a single 10\" cone.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 2.5\" coil for 300 W of duty\u003c\/b\u003e\n\u003cp\u003e60.5 mm of CCAW voice coil: the biggest of the MM family. More winding surface, more heat capacity, more minutes at full volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 54 Oz motor behind it\u003c\/b\u003e\n\u003cp\u003eThe heavyweight ferrite ring of the 10\" family. More magnetic force means more control over the cone at high excursion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA curvilinear cone\u003c\/b\u003e\n\u003cp\u003eCurvilinear fiberglass reinforced paper: the curved profile spreads break-up, so the midrange stays clean when you push it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-10MM-Manual-EN-2026.pdf?v=1790449667\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne speaker, sold singly.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one SP 10MM. SPL builds use them in twos and fours: order the number your project needs, they ship from the same production batch. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP 10MM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e600 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e250 mm (10\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e99.6 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e50 Hz - 6 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e60.5 mm \/ 2.5\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCopper clad aluminium wire (CCAW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e54 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCurvilinear, fiberglass reinforced paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eUnit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e102 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.617\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.680\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e6.599\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e19.2 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e353 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e108.59 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e22.408 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e8.22 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e2.90 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-10cm-plus-200-watt-rms\"\u003e\u003csmall\u003eBEST SELLER 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10CM — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10mm-neo-300-watt-rms\"\u003e\u003csmall\u003eSAME POWER, NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP 10MM NEO\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10mm-plus-400-watt-rms\"\u003e\u003csmall\u003eTHE STEP UP, 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM PLUS — 400 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a subwoofer: it reaches 50 Hz, but for SPL duty cut higher and let the subwoofer do the bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlan the mounting.\u003c\/b\u003e A 10\"\/25 cm frame does not fit factory door holes: it wants a door pod, a kick panel or a custom baffle, solidly fixed. It runs to 6 kHz: always pair it with a tweeter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 10MM handle?\u003c\/b\u003e300 W RMS continuous and 600 W peak. The price on this page is for one speaker.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 300 W RMS at 4 ohm on the channel that drives it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit in my door?\u003c\/b\u003eNot in a factory hole: it is a 10\" \/ 250 mm frame, built for door pods, kick panels and custom SPL baffles.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the SP 10MM NEO?\u003c\/b\u003eSame 10\" cone and the same 300 W RMS. The NEO uses a neodymium magnet, so the motor is much smaller and lighter; this one uses a 54 Oz ferrite magnet.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cut it?\u003c\/b\u003eIt runs from 50 Hz to 6 kHz. High-pass it above the subwoofer and always pair it with a tweeter for the top octaves.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 10MM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"300 W RMS continuous and 600 W peak. The price on the product page is for one speaker.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 10MM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 300 W RMS at 4 ohm on the channel that drives it.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP 10MM fit a standard car door?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not in a factory hole: it is a 10 inch \/ 250 mm frame, built for door pods, kick panels and custom SPL baffles.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 10MM and the SP 10MM NEO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same 10 inch cone and the same 300 W RMS. The NEO uses a neodymium magnet, so the motor is much smaller and lighter; the SP 10MM uses a 54 Oz ferrite magnet.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 10MM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It runs from 50 Hz to 6 kHz. High-pass it above the subwoofer and always pair it with a tweeter for the top octaves.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856113176788,"sku":"15250","price":145.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-cover-2026.jpg?v=1793950210"},{"product_id":"sp-10mm-plus-400-watt-rms","title":"SP 10MM PLUS Midrange Extreme 10\" 400W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · ferrite · 10 inch · big model\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e400 watt RMS.\u003cbr\u003e\u003cem\u003eThe big one.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe top of the 10\" EXTREME line: 99.9 dB, a 2410 g Y30 ferrite motor, a 76.2 mm (3\") voice coil, 4 mm of Xmax and a solid aluminium phase plug. 400 W RMS of duty from 80 Hz to 15 kHz. Unit price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-showcase.jpg?v=1793960217\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-showcase.jpg?v=1793960217\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-showcase.jpg?v=1793960217\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-showcase.jpg?v=1793960217\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP 10MM PLUS 10 inch midrange extreme with orange phase plug on a dark stage\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e800\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e99.9\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FULL THIELE-SMALL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e800 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e99.9 dB: practically 100\u003c\/b\u003e\n\u003cp\u003eOne watt in, almost 100 dB out. On a 400 W channel this is the loudest midrange of the whole SP Audio line.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 3\" coil and 4 mm of Xmax\u003c\/b\u003e\n\u003cp\u003e76.2 mm of voice coil wound with 220 °C aluminium wire and double the excursion of the standard MM: it takes 400 W RMS and keeps moving air.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 2410 g Y30 motor\u003c\/b\u003e\n\u003cp\u003eNearly two and a half kilos of ferrite behind the cone. More magnetic force means more control at full excursion.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eWide band, up to 15 kHz\u003c\/b\u003e\n\u003cp\u003eUnusually wide for a big 10\": from 80 Hz up to 15 kHz, so the voice stays full and present even before the tweeter comes in.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-cone.jpg?v=1793960217\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-cone.jpg?v=1793960217\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-cone.jpg?v=1793960217\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 10MM PLUS cone and orange phase plug\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the cone\u003c\/b\u003eCompressed paper and fiberglass, M-ROLL polycotton surround, solid aluminium phase plug in the centre.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-side.jpg?v=1793960217\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-side.jpg?v=1793960217\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-side.jpg?v=1793960217\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 10MM PLUS orange basket and ferrite motor, side view\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003e2410 g Y30 ferrite magnet, 76.2 mm voice coil wound with 220 °C aluminium wire.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-10MM-PLUS-Manual-EN-2026.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne speaker, sold singly.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one SP 10MM PLUS. SPL builds use them in twos and fours: order the number your project needs, they ship from the same production batch. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP 10MM PLUS midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-bench.jpg?v=1793960217\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-bench.jpg?v=1793960217\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-ai-bench.jpg?v=1793960217\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"Two SP 10MM PLUS midrange extreme speakers on a workbench\" width=\"560\" height=\"560\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e800 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e254 mm (10\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e99.9 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e80 Hz - 15 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e76.2 mm \/ 3\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e2410 g Y30 ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper, fiberglass, black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOUNTING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e261 mm (10.28\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-out diameter\u003c\/td\u003e\n\u003ctd\u003e232.5 mm (9.15\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting depth\u003c\/td\u003e\n\u003ctd\u003e114 mm (4.49\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eUnit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e94 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.6 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.468\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.526\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e4.238\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e18.42 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e4.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e352 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e104.10 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e27.36 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e10.53 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e2.84 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-10mm-300-watt-rms\"\u003e\u003csmall\u003eMIDRANGE EXTREME 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM — 300 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10mm-neo-300-watt-rms\"\u003e\u003csmall\u003eNEODYMIUM 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM NEO — 300 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10cm-plus-200-watt-rms\"\u003e\u003csmall\u003eBEST SELLER 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10CM — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 80 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck the numbers first.\u003c\/b\u003e Cut-out 232.5 mm, outer 261 mm, depth 114 mm: it wants a door pod, a kick panel or a custom baffle, solidly fixed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 10MM PLUS handle?\u003c\/b\u003e400 W RMS continuous and 800 W peak. The price on this page is for one speaker.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 400 W RMS at 4 ohm on the channel that drives it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the standard SP 10MM?\u003c\/b\u003eSame 10\"\/25 cm diameter, but a bigger motor: 400 W RMS instead of 300 W, a 76.2 mm (3\") voice coil instead of 60.5 mm (2.5\") and 4 mm of Xmax instead of 2.5 mm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat hole do I need to cut?\u003c\/b\u003e232.5 mm (9.15\"), with a 261 mm (10.28\") outer diameter and 114 mm (4.49\") of mounting depth.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cut it?\u003c\/b\u003eHigh-pass at 80 Hz or above. It runs to 15 kHz, unusually wide for a big 10\", so the tweeter can come in high.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 10MM PLUS midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"400 W RMS continuous and 800 W peak. The price on the product page is for one speaker.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 10MM PLUS need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 400 W RMS at 4 ohm on the channel that drives it.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 10MM PLUS and the SP 10MM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same 10 inch \/ 25 cm diameter, but a bigger motor: 400 W RMS instead of 300 W, a 76.2 mm (3 inch) voice coil instead of 60.5 mm (2.5 inch) and 4 mm of Xmax instead of 2.5 mm.\"}},{\"@type\":\"Question\",\"name\":\"What hole does the SP 10MM PLUS need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 232.5 mm (9.15 inch) cut-out, with a 261 mm (10.28 inch) outer diameter and 114 mm (4.49 inch) of mounting depth.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 10MM PLUS be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 80 Hz or above. It runs to 15 kHz, unusually wide for a big 10 inch, so the tweeter can come in high.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856114225364,"sku":"15251","price":184.05,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10mm-plus-cover-2026.jpg?v=1793960216"},{"product_id":"sp-10cm-plus-200-watt-rms","title":"SP 10CM Midrange 10\" 200W RMS (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange · ferrite · 10 inch · best seller\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e200 watt RMS.\u003cbr\u003e\u003cem\u003eTen inches of presence.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe big one of the BEST SELLER line: 10\"\/25 cm, 97 dB, a 40 Oz ferrite motor, a 49.5 mm (2\") EISV voice coil and a solid aluminium phase plug. 370 cm² of cone put the voice in front of the bass, SPL style. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10cm-ai-frame-2026.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10cm-ai-frame-2026.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10cm-ai-frame-2026.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10cm-ai-frame-2026.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 10CM midrange speaker, 200 W RMS, 4 ohm\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e97\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FULL THIELE-SMALL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω, MINIMUM 3.2 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e97 dB: it plays loud on little power\u003c\/b\u003e\n\u003cp\u003eThree decibels of sensitivity are worth double the amplifier. At 97 dB a 200 W channel is serious volume, the kind SPL doors are built around.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe phase plug instead of the dust cap\u003c\/b\u003e\n\u003cp\u003eA solid aluminium plug in the centre of the cone: it keeps the response clean off-axis and pulls heat away from the voice coil.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 2\" coil for 200 W of duty\u003c\/b\u003e\n\u003cp\u003e49.5 mm of EISV voice coil wound with 220 °C aluminium wire: more winding surface, more heat capacity, more minutes at full volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eTen inches of cone area\u003c\/b\u003e\n\u003cp\u003e370 cm² of Sd — two and a half times a 6.5\". Voice, snare and guitars come forward with real weight, without asking the subwoofer for help.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-10CM-Manual-EN-2026.pdf?v=1790449631\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 10CM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e250 mm (10\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e97 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e80 Hz - 15 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e49.5 mm \/ 2\" EISV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e40 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper, fiberglass, black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e80 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.552\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.578\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e12.292\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e20.73 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e3.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e370 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e106.74 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e36.32 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e10.10 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e1.831 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eMIDRANGE 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10mm-300-watt-rms\"\u003e\u003csmall\u003eMIDRANGE EXTREME 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM — 300 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10hm\"\u003e\u003csmall\u003eMIDRANGE HM 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10HM\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 80 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlan the mounting.\u003c\/b\u003e A 10\"\/25 cm frame does not fit factory door holes: it wants a door pod, a kick panel or a custom baffle, solidly fixed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 10CM handle?\u003c\/b\u003e200 W RMS continuous and 400 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal (3.2 ohm minimum): an amplifier able to deliver about 200 W RMS at 4 ohm on each channel is the right match.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit in my door?\u003c\/b\u003eNot in a factory hole: it is a 10\" \/ 250 mm frame. It is built for door pods, kick panels and custom SPL baffles.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cut it?\u003c\/b\u003eHigh-pass at 80 Hz or above. It runs to 15 kHz, so pair it with a tweeter for the top octaves.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the magnet and the phase plug made of?\u003c\/b\u003eA 40 Oz ferrite magnet and a solid aluminium phase plug, which helps dissipate heat from the voice coil.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 10CM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"200 W RMS continuous and 400 W peak, per speaker. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 10CM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal, 3.2 ohm minimum. An amplifier able to deliver about 200 W RMS at 4 ohm on each channel is the right match.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP 10CM fit a standard car door?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Not in a factory hole: it is a 10 inch \/ 250 mm frame, built for door pods, kick panels and custom SPL baffles.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 10CM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 80 Hz or above. It runs to 15 kHz, so pair it with a tweeter for the top octaves.\"}},{\"@type\":\"Question\",\"name\":\"What magnet does the SP 10CM use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 40 Oz ferrite magnet with a solid aluminium phase plug that helps dissipate heat from the voice coil.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856115962068,"sku":"15002","price":176.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-10cm-cover-ai.jpg?v=1793940040"},{"product_id":"sp-8mm-neo-250-watt-rms","title":"SP 8MM NEO 新型 2026 - MIDRANGE EXTREME 8\"\/20CM ネオジムマグネット 250W RMS (1個の価格)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · neodymium · 8 inch · new 2026\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e250 watt RMS.\u003cbr\u003e\u003cem\u003eBig cone, small motor.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe 2026 neodymium 8\"\/20 cm of the EXTREME line: 98.2 dB, a 49.5 mm (2\") CCAW voice coil and a solid aluminium phase plug. Same power as the ferrite SP 8MM, in a motor that is much smaller and lighter — easier to fit behind a door panel. Unit price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-frame.jpg?v=1794009168\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-frame.jpg?v=1794009168\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-frame.jpg?v=1794009168\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-frame.jpg?v=1794009168\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP 8MM NEO midrange on a workbench: orange basket, phase plug and aluminium motor\" width=\"760\" height=\"430\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e250\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e98.2\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e NEODYMIUM MOTOR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e250 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e98.2 dB: extreme sensitivity\u003c\/b\u003e\n\u003cp\u003eOn the same channel it plays noticeably louder than the best seller line, before you touch the gain. This is the 8\" for SPL builds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eNeodymium: force without bulk\u003c\/b\u003e\n\u003cp\u003eThe same magnetic force as a big ferrite ring in a much smaller and lighter motor. Bl of 10.9 TM with a fraction of the depth and weight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 2\" CCAW coil for 250 W\u003c\/b\u003e\n\u003cp\u003e49.5 mm of copper-clad aluminium winding: more winding surface, more heat capacity, more minutes at full volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA curvilinear cone\u003c\/b\u003e\n\u003cp\u003eCurvilinear fiberglass reinforced paper: the curved profile spreads break-up, so the midrange stays clean when you push it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-cone.jpg?v=1794009169\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-cone.jpg?v=1794009169\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-cone.jpg?v=1794009169\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 8MM NEO: cone and aluminium phase plug seen from above\" width=\"620\" height=\"351\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the cone\u003c\/b\u003eCurvilinear fiberglass reinforced paper, M-ROLL polycotton surround, solid aluminium phase plug in the centre.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-motor.jpg?v=1794009169\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-motor.jpg?v=1794009169\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-ai-motor.jpg?v=1794009169\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 8MM NEO: orange basket, terminals and motor\" width=\"620\" height=\"351\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003eCompact neodymium magnet, 49.5 mm CCAW voice coil, copper-clad aluminium wire.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-8MM-NEO-Manual-EN-2026.pdf?v=1790449667\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne speaker, sold singly.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one SP 8MM NEO. For a classic left-and-right front stage, order two — they ship from the same production batch. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP 8MM NEO midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_f48d737e-5d8b-48c7-9727-e517761ad580.jpg?v=1790175856\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_f48d737e-5d8b-48c7-9727-e517761ad580.jpg?v=1790175856\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_f48d737e-5d8b-48c7-9727-e517761ad580.jpg?v=1790175856\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP 8MM NEO midrange on the installer's bench\" width=\"560\" height=\"317\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e250 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e500 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e200 mm (8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e98.2 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e80 Hz - 9 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e49.5 mm \/ 2\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCopper clad aluminium wire (CCAW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNeodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCurvilinear, fiberglass reinforced paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eUnit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e162 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.6 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.470\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.491\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e10.962\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e4.178 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e224 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e61.332 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e20.396 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e10.899 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e2.370 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-8mm\"\u003e\u003csmall\u003eSAME POWER, FERRITE\u003c\/small\u003e\u003cstrong\u003eSP 8MM — 250 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5mm-neo-200-watt-rms\"\u003e\u003csmall\u003eNEODYMIUM 6.5\"\u003c\/small\u003e\u003cstrong\u003eSP 6MM NEO — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-10mm-neo-300-watt-rms\"\u003e\u003csmall\u003eNEODYMIUM 10\"\u003c\/small\u003e\u003cstrong\u003eSP 10MM NEO — 300 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 80 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck the opening first.\u003c\/b\u003e This is an 8\"\/20 cm frame, not a 6.5\": measure before ordering, or plan an adapter ring. It runs to 9 kHz: always pair it with a tweeter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 8MM NEO handle?\u003c\/b\u003e250 W RMS continuous and 500 W peak. The price on this page is for one speaker.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 250 W RMS at 4 ohm on the channel that drives it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eFor one speaker. Order two for a matched left-and-right front stage.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the SP 8MM?\u003c\/b\u003eSame 8\" cone and the same 2\" CCAW voice coil. The NEO uses a neodymium magnet: same power in a much smaller and lighter motor, easier to fit behind a door panel.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the cone made of?\u003c\/b\u003eCurvilinear fiberglass reinforced paper: light and rigid, so it keeps its shape at high volume.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 8MM NEO midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"250 W RMS continuous and 500 W peak. The price on the product page is for one speaker.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 8MM NEO need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 250 W RMS at 4 ohm on the channel that drives it.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP 8MM NEO price for one unit or a pair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For one speaker. Order two for a matched left-and-right front stage.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 8MM NEO and the SP 8MM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same 8 inch cone and the same 2 inch CCAW voice coil. The NEO uses a neodymium magnet: same power in a much smaller and lighter motor, easier to fit behind a door panel.\"}},{\"@type\":\"Question\",\"name\":\"What is the SP 8MM NEO cone made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Curvilinear fiberglass reinforced paper: light and rigid, so it keeps its shape at high volume.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856129757396,"sku":"15102","price":198.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8mm-neo-cover-2026.jpg?v=1794009169"},{"product_id":"sp-8cm-150-watt-rms","title":"SP 8CM Midrange 8\" 170W RMS (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange · ferrite · 8 inch · best seller\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e170 watt RMS.\u003cbr\u003e\u003cem\u003eMore cone, more voice.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe 8\"\/20 cm brother of the best seller: 97 dB, a 31 Oz ferrite motor, a 38.5 mm EISV voice coil and a solid aluminium phase plug. More cone area than a 6.5\" means more mid-bass body under the voice, on the same power. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-ai-showcase.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-ai-showcase.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-ai-showcase.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-ai-showcase.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 8CM midrange pair in front of its SP Audio box, 170 W RMS\" width=\"760\" height=\"760\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e170\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e97\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FULL THIELE-SMALL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 57%;\"\u003e170 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω, MINIMUM 3.2 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e97 dB: it plays loud on little power\u003c\/b\u003e\n\u003cp\u003eThree decibels of sensitivity are worth double the amplifier. At 97 dB a 170 W channel is already a lot of sound inside a car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe phase plug instead of the dust cap\u003c\/b\u003e\n\u003cp\u003eA solid aluminium plug in the centre of the cone: it keeps the response clean off-axis and pulls heat away from the voice coil.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA cone that keeps its shape\u003c\/b\u003e\n\u003cp\u003eCompressed paper with fiberglass, black painted. Light enough to stay fast, rigid enough not to bend at high volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e8 inches of cone area\u003c\/b\u003e\n\u003cp\u003e222 cm² of Sd against the 147 cm² of a 6.5\": the same music gets more mid-bass body and more presence, before the amplifier works harder.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-8CM-Manual-EN-2026.pdf?v=1790449640\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 8CM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e170 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e200 mm (8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e97 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e90 Hz - 15 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e38.5 mm \/ 1.5\" EISV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e31 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper, fiberglass, black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e114 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.658\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.705\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e9.838\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e8.72 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e222 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e124.93 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e15.68 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e7.13 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e1.758 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8mm\"\u003e\u003csmall\u003eMIDRANGE EXTREME 8\"\u003c\/small\u003e\u003cstrong\u003eSP 8MM — 250 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8cm-slim-150-watt-rms\"\u003e\u003csmall\u003eSHALLOW MOUNT 8\"\u003c\/small\u003e\u003cstrong\u003eSP 8CM SLIM\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 90 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck the opening first.\u003c\/b\u003e This is an 8\"\/20 cm frame, not a 6.5\": measure the door or kick panel opening before ordering, or plan an adapter ring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 8CM handle?\u003c\/b\u003e170 W RMS continuous and 300 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal (3.2 ohm minimum): an amplifier able to deliver about 170 W RMS at 4 ohm on each channel is the right match.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit in my door?\u003c\/b\u003eIt is an 8\" \/ 200 mm frame, larger than a standard 6.5\" opening. Measure first: some doors take it directly, others need an adapter ring or a kick-panel install.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cut it?\u003c\/b\u003eHigh-pass at 90 Hz or above. It runs to 15 kHz, so pair it with a tweeter for the top octaves.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the magnet and the phase plug made of?\u003c\/b\u003eA 31 Oz ferrite magnet and a solid aluminium phase plug, which helps dissipate heat from the voice coil.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 8CM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"170 W RMS continuous and 300 W peak, per speaker. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 8CM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal, 3.2 ohm minimum. An amplifier able to deliver about 170 W RMS at 4 ohm on each channel is the right match.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP 8CM fit a standard car door?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is an 8 inch \/ 200 mm frame, larger than a standard 6.5 inch opening. Measure the opening first: some doors take it directly, others need an adapter ring or a kick-panel install.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 8CM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 90 Hz or above. It runs to 15 kHz, so pair it with a tweeter for the top octaves.\"}},{\"@type\":\"Question\",\"name\":\"What magnet does the SP 8CM use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 31 Oz ferrite magnet with a solid aluminium phase plug that helps dissipate heat from the voice coil.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856131789012,"sku":"15001","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-cover-2026.jpg?v=1793993242"},{"product_id":"sp-8cm-slim-150-watt-rms","title":"SP 8CM Slim Midrange 8\" 150W RMS (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange · slim · 8 inch · shallow mount\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e150 watt RMS.\u003cbr\u003e\u003cem\u003eWhere a normal 8\" will not go.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eAn 8\"\/20 cm midrange built on a shallow basket: 150 W RMS, 95 dB, a 38.5 mm EISV voice coil and a 31 Oz ferrite motor. It fits factory doors, rear shelves and panels that simply have no depth for a standard 8\". Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-slim-ai-showcase.jpg?v=1794001337\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-slim-ai-showcase.jpg?v=1794001337\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-slim-ai-showcase.jpg?v=1794001337\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-slim-ai-showcase.jpg?v=1794001337\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 8CM SLIM midrange pair with its shallow ferrite motor, 150 W RMS\" width=\"760\" height=\"760\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e95\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e SHALLOW BASKET\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e150 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω, MINIMUM 3.2 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy the SLIM version\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eDepth is the problem. This solves it.\u003c\/b\u003e\n\u003cp\u003eMost doors will not take a standard 8\": the window mechanism is in the way. The SLIM basket is shallow, so the 8\" cone goes where only a 6.5\" used to fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e8 inches of cone, in a factory panel\u003c\/b\u003e\n\u003cp\u003e200 mm nominal, 182.5 mm cut-out, 209.2 mm outer diameter. More cone area than a 6.5\" means more mid-bass at the same volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e150 W RMS on a 38.5 mm coil\u003c\/b\u003e\n\u003cp\u003eA 1.5\" EISV voice coil wound with 220 °C aluminium wire on a 31 Oz ferrite motor: it takes continuous power without heating up.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA cone that keeps its shape\u003c\/b\u003e\n\u003cp\u003eCompressed paper with fiberglass, black painted, M-ROLL polycotton surround. Light enough to stay fast, rigid enough not to bend at high volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-8CM-SLIM-Manual-EN-2026.pdf?v=1790449631\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 8CM SLIM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e200 mm (8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e95 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e80 Hz - 8 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e38.5 mm \/ 1.5\" EISV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e31 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper, fiberglass, black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOUNTING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter diameter\u003c\/td\u003e\n\u003ctd\u003e209.2 mm (8.24\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCut-out diameter\u003c\/td\u003e\n\u003ctd\u003e182.5 mm (7.19\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eSTANDARD BASKET 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm-slim-100-watt-rms\"\u003e\u003csmall\u003eSHALLOW MOUNT 6.5\"\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM SLIM\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMeasure the panel before you cut.\u003c\/b\u003e The basket is shallow, but the hole is still 182.5 mm with a 209.2 mm outer diameter: check the space around the window mechanism first.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 80 Hz and let the subwoofer do the bass. It runs to 8 kHz, so add a tweeter for the top end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeal the door panel.\u003c\/b\u003e A midrange in an open door loses mid-bass: sound-deaden the panel and you gain more than changing the speaker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhy choose the SLIM version?\u003c\/b\u003eBecause the basket is shallow: it goes into doors, rear shelves and panels where a standard 8\" midrange does not fit. Same 150 W RMS.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 8CM SLIM handle?\u003c\/b\u003e150 W RMS continuous and 300 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat hole do I need to cut?\u003c\/b\u003e182.5 mm (7.19\") cut-out, with a 209.2 mm (8.24\") outer diameter.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal (3.2 ohm minimum): an amplifier able to deliver about 150 W RMS at 4 ohm on each channel is the right match.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cross it?\u003c\/b\u003eHigh-pass at 80 Hz or above. It runs to 8 kHz, so pair it with a tweeter for the high frequencies.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Why choose the SP 8CM SLIM version?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Because the basket is shallow: it fits doors, rear shelves and panels where a standard 8 inch midrange does not fit, with the same 150 W RMS.\"}},{\"@type\":\"Question\",\"name\":\"How much power does the SP 8CM SLIM handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"150 W RMS continuous and 300 W peak, per speaker. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"What cut-out does the SP 8CM SLIM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 182.5 mm (7.19 inch) cut-out, with a 209.2 mm (8.24 inch) outer diameter.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 8CM SLIM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal, 3.2 ohm minimum. An amplifier able to deliver about 150 W RMS at 4 ohm on each channel is the right match.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 8CM SLIM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 80 Hz or above. It runs to 8 kHz, so pair it with a tweeter for the high frequencies.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856134967508,"sku":"46001","price":95.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-8cm-slim-cover.jpg?v=1794001337"},{"product_id":"sp-6-5cm-slim-100-watt-rms","title":"SP 6.5CM SLIM Midrange 6.5\" 100W RMS (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange · shallow mount · 6.5 inch · ferrite\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e100 watt RMS.\u003cbr\u003e\u003cem\u003eIt fits where the others don't.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe same 6.5\"\/16.5 cm midrange, on a super slim basket. 100 W RMS, 4 ohm, 96 dB, 30.5 mm EISV voice coil: it goes into factory doors and panels that have no room behind them, with no pod and no surgery on the trim. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-slim-ai-showcase.jpg?v=1793977121\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-slim-ai-showcase.jpg?v=1793977121\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-slim-ai-showcase.jpg?v=1793977121\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-slim-ai-showcase.jpg?v=1793977121\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 6.5CM SLIM midrange pair with the SP Audio box\" width=\"760\" height=\"760\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e100\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e96\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e SHALLOW MOUNT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e100 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω, MINIMUM 3.2 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA super slim basket\u003c\/b\u003e\n\u003cp\u003eThe whole point of this model: a shallow frame that clears window mechanisms and door bars where a standard 6.5\" midrange hits. No spacer pod, no cut trim panel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e96 dB: it plays loud on little power\u003c\/b\u003e\n\u003cp\u003eSensitivity is the same as the standard version. At 96 dB a 100 W channel is already a lot of sound inside a car, so a small amplifier is enough.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eFull-size voice coil, not a shrunken one\u003c\/b\u003e\n\u003cp\u003e30.5 mm \/ 1.2\" EISV coil wound with 220 °C aluminium wire on a 25 Oz ferrite motor: slim does not mean weak on heat.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eIt goes in the standard 6.5\" hole\u003c\/b\u003e\n\u003cp\u003e165 mm nominal, 4 ohm, M-ROLL polycotton surround: same cut-out as the factory speaker, just far less depth behind it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-6.5CM-SLIM-Manual-EN-2026.pdf?v=1790449640\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box with the protective grille foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 6.5CM SLIM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e100 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e165 mm (6.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e96 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e100 Hz - 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e30.5 mm \/ 1.2\" EISV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003e220 °C aluminium wire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e25 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eCompressed paper, fiberglass, black painted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOUNTING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBasket\u003c\/td\u003e\n\u003ctd\u003eSuper slim, shallow mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eSTANDARD DEPTH 6.5\"\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8cm-slim-150-watt-rms\"\u003e\u003csmall\u003eSHALLOW MOUNT 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM SLIM — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eMIDRANGE 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMeasure the depth behind the hole.\u003c\/b\u003e Slim solves most factory doors, but check the window glass at its lowest point before you close the panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 100 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeal the door panel.\u003c\/b\u003e A shallow speaker has little volume behind it: sound-deaden the panel and you gain more than changing the speaker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 6.5CM SLIM handle?\u003c\/b\u003e100 W RMS continuous and 200 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the standard SP 6.5CM?\u003c\/b\u003eSame 6.5\"\/16.5 cm diameter and the same 30.5 mm voice coil, but a super slim basket for shallow doors and panels; power is 100 W RMS instead of 120 W.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal (3.2 ohm minimum): an amplifier able to deliver about 100 W RMS at 4 ohm on each channel is the right match.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit in my door?\u003c\/b\u003eIt uses the standard 6.5\" \/ 165 mm cut-out with a much shallower basket, which is exactly what factory doors with no depth need. Some cars still need an adapter ring.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cut it?\u003c\/b\u003eHigh-pass at 100 Hz or above. It runs to 20 kHz, so with a tweeter you can cross high or let it run full.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 6.5CM SLIM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"100 W RMS continuous and 200 W peak, per speaker. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 6.5CM SLIM and the standard SP 6.5CM?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same 6.5 inch \/ 16.5 cm diameter and the same 30.5 mm voice coil, but a super slim basket for shallow doors and panels. Power is 100 W RMS instead of 120 W RMS.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 6.5CM SLIM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal, 3.2 ohm minimum. An amplifier able to deliver about 100 W RMS at 4 ohm on each channel is the right match.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP 6.5CM SLIM fit a shallow car door?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, that is what it is made for. It uses the standard 6.5 inch \/ 165 mm cut-out with a much shallower basket. Some cars still need an adapter ring.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP 6.5CM SLIM be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"High-pass at 100 Hz or above. It runs to 20 kHz, so with a tweeter you can cross high or let it run full range.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856142864596,"sku":"46000","price":79.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6-5cm-slim-cover-2026.jpg?v=1793977121"},{"product_id":"sp-6-5mm-neo-200-watt-rms","title":"SP 6MM NEO 新型 2026 - MIDRANGE EXTREME 6.5\"\/16.5CM ネオジムマグネット 200W RMS (1個の価格)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · neodymium · 6.5 inch · new 2026\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e200 watt RMS.\u003cbr\u003e\u003cem\u003eNeodymium, no dead weight.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe 2026 neodymium midrange of the EXTREME line: 6.5\"\/16.5 cm, 98.2 dB, a 38.5 mm (1.5\") CCAW voice coil and a solid aluminium phase plug. Same power as the ferrite SP 6MM, in a motor that is a fraction of the size and weight. Unit price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-showcase.jpg?v=1793989097\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-showcase.jpg?v=1793989097\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-showcase.jpg?v=1793989097\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-showcase.jpg?v=1793989097\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP 6MM NEO midrange: orange basket, solid phase plug and compact neodymium motor\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e98.2\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e NEODYMIUM MOTOR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e98.2 dB: extreme sensitivity\u003c\/b\u003e\n\u003cp\u003eThe loudest of the 6.5\" family. On the same channel it plays noticeably louder than the ferrite models, before you touch the gain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eNeodymium: force without bulk\u003c\/b\u003e\n\u003cp\u003eThe same magnetic force as a big ferrite ring in a much smaller and lighter motor. It fits shallow doors, pods and pillars where a ferrite 6.5\" does not.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 1.5\" CCAW coil for 200 W\u003c\/b\u003e\n\u003cp\u003e38.5 mm of copper-clad aluminium winding: light enough to stay fast, big enough to take 200 W RMS without complaining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe phase plug instead of the dust cap\u003c\/b\u003e\n\u003cp\u003eA solid aluminium plug in the centre of the cone: it keeps the response clean off-axis and pulls heat away from the voice coil.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-cone.jpg?v=1793989097\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-cone.jpg?v=1793989097\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-cone.jpg?v=1793989097\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 6MM NEO: cone, M-ROLL surround and phase plug\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the cone\u003c\/b\u003eFiberglass reinforced paper, M-ROLL polycotton surround, solid aluminium phase plug in the centre.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-motor.jpg?v=1793989097\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-motor.jpg?v=1793989097\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-motor.jpg?v=1793989097\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 6MM NEO from behind: compact neodymium motor and terminals\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003eCompact neodymium magnet, 38.5 mm CCAW voice coil, copper-clad aluminium wire.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-6MM-NEO-Manual-EN-2026.pdf?v=1790449667\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne speaker, sold singly.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one SP 6MM NEO. For a classic left-and-right front stage, order two — they ship from the same production batch. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP 6MM NEO midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-box.jpg?v=1793989096\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-box.jpg?v=1793989096\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-ai-box.jpg?v=1793989096\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP 6MM NEO midrange in front of its SP Audio box\" width=\"560\" height=\"560\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e165 mm (6.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e98.2 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e80 Hz - 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e38.5 mm \/ 1.5\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCopper clad aluminium wire (CCAW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNeodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eFiberglass reinforced paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eUnit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e170 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.0 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.826\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.884\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e12.440\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e1.427 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e132 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e7.356 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e1.014 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6mm-200-watt-rms\"\u003e\u003csmall\u003eSAME POWER, FERRITE\u003c\/small\u003e\u003cstrong\u003eSP 6MM — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8mm-neo-250-watt-rms\"\u003e\u003csmall\u003eNEODYMIUM 8\"\u003c\/small\u003e\u003cstrong\u003eSP 8MM NEO — 250 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eBEST SELLER 6.5\"\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 80 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlan the top end.\u003c\/b\u003e It runs to 10 kHz: pair it with a tweeter for the last octaves, crossed where the tweeter allows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 6MM NEO handle?\u003c\/b\u003e200 W RMS continuous and 400 W peak. The price on this page is for one speaker.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 200 W RMS at 4 ohm on each channel is the right match.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit or for a pair?\u003c\/b\u003eFor one speaker. Order two for a matched left-and-right front stage.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhy a neodymium magnet?\u003c\/b\u003eNeodymium gives the same magnetic force as ferrite in a much smaller and lighter motor, so the speaker fits shallow doors and pods.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the cone made of?\u003c\/b\u003eFiberglass reinforced paper: light and rigid, so it keeps its shape at high volume.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 6MM NEO midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"200 W RMS continuous and 400 W peak. The price on the product page is for one speaker.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 6MM NEO need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 200 W RMS at 4 ohm on each channel is the right match.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP 6MM NEO price for one unit or a pair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For one speaker. Order two for a matched left-and-right front stage.\"}},{\"@type\":\"Question\",\"name\":\"Why does the SP 6MM NEO use a neodymium magnet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Neodymium gives the same magnetic force as ferrite in a much smaller and lighter motor, so the speaker fits shallow doors and pods.\"}},{\"@type\":\"Question\",\"name\":\"What is the SP 6MM NEO cone made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Fiberglass reinforced paper: light and rigid, so it keeps its shape at high volume.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856148009172,"sku":"15112","price":145.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-neo-cover-2026.jpg?v=1793989097"},{"product_id":"sp-6mm-200-watt-rms","title":"SP 6MM Midrange Extreme 6.5\" 200W RMS 2025 (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003emidrange extreme · ferrite · 6.5 inch · new model 2025\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e200 watt RMS.\u003cbr\u003e\u003cem\u003eThe extreme 6.5\".\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe MIDRANGE EXTREME line in the standard 6.5\"\/16.5 cm size: 98.1 dB, a 40 Oz ferrite motor, a 38.5 mm (1.5\") CCAW voice coil and a solid aluminium phase plug. Twice the power of the best seller, in the same hole. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-showcase.jpg?v=1793985067\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-showcase.jpg?v=1793985067\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-showcase.jpg?v=1793985067\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-showcase.jpg?v=1793985067\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP 6MM midrange pair with orange basket, aluminium phase plug and ferrite motor\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e98.1\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FULL THIELE-SMALL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this midrange\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e98.1 dB: extreme sensitivity\u003c\/b\u003e\n\u003cp\u003eTwo decibels over the best seller means the same amplifier plays almost twice as loud. This is the 6.5\" for SPL builds on a 4-channel amp.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 1.5\" CCAW coil for 200 W\u003c\/b\u003e\n\u003cp\u003e38.5 mm of copper-clad aluminium winding: light enough to stay fast, big enough to take 200 W RMS without complaining.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe phase plug instead of the dust cap\u003c\/b\u003e\n\u003cp\u003eA solid aluminium plug in the centre of the cone: it keeps the response clean off-axis and pulls heat away from the voice coil.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eIt goes in the standard 6.5\" hole\u003c\/b\u003e\n\u003cp\u003e165 mm nominal, 4 ohm, M-ROLL polycotton surround: extreme output without touching the door sheet metal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-cone.jpg?v=1793985067\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-cone.jpg?v=1793985067\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-cone.jpg?v=1793985067\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 6MM front view: cone, M-ROLL surround and aluminium phase plug\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the cone\u003c\/b\u003eFiberglass reinforced paper, M-ROLL polycotton surround, solid aluminium phase plug in the centre.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-motor.jpg?v=1793985067\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-motor.jpg?v=1793985067\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-motor.jpg?v=1793985067\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP 6MM ferrite motor from the back with the 200 W RMS \/ 400 W MAX label\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003e40 Oz ferrite magnet, 38.5 mm CCAW voice coil, copper-clad aluminium wire.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, Thiele-Small parameters and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-6MM-Manual-EN-2026.pdf?v=1790449668\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 6MM midrange · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, crossovers and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-box.jpg?v=1793985067\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-box.jpg?v=1793985067\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-ai-box.jpg?v=1793985067\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP 6MM midrange pair in front of the SP Audio box\" width=\"560\" height=\"560\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e165 mm (6.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e98.1 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e80 Hz - 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e38.5 mm \/ 1.5\" CCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCopper clad aluminium wire (CCAW)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e40 Oz ferrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase plug\u003c\/td\u003e\n\u003ctd\u003eAluminium, solid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuspension\u003c\/td\u003e\n\u003ctd\u003eM-ROLL, polycotton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eFiberglass reinforced paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eTHIELE-SMALL PARAMETERS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFs\u003c\/td\u003e\n\u003ctd\u003e150 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRe\u003c\/td\u003e\n\u003ctd\u003e3.0 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQts\u003c\/td\u003e\n\u003ctd\u003e0.729\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQes\u003c\/td\u003e\n\u003ctd\u003e0.791\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQms\u003c\/td\u003e\n\u003ctd\u003e9.316\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVas\u003c\/td\u003e\n\u003ctd\u003e2.89 L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eXmax\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSd\u003c\/td\u003e\n\u003ctd\u003e224 cm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCms\u003c\/td\u003e\n\u003ctd\u003e85.98 µm\/N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMms\u003c\/td\u003e\n\u003ctd\u003e11.107 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBl\u003c\/td\u003e\n\u003ctd\u003e7.51 TM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eη0\u003c\/td\u003e\n\u003ctd\u003e1.52 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eBEST SELLER 6.5\"\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5mm-neo-200-watt-rms\"\u003e\u003csmall\u003eSAME POWER, NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP 6MM NEO\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8mm\"\u003e\u003csmall\u003eMIDRANGE EXTREME 8\"\u003c\/small\u003e\u003cstrong\u003eSP 8MM — 250 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eUse a high-pass filter.\u003c\/b\u003e This is a midrange, not a woofer: cut below 80 Hz and let the subwoofer do the bass. Feeding it low notes is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain properly.\u003c\/b\u003e Clipping kills voice coils far more often than power does.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePlan the top end.\u003c\/b\u003e It runs to 10 kHz: pair it with a tweeter for the last octaves, crossed where the tweeter allows.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 6MM handle?\u003c\/b\u003e200 W RMS continuous and 400 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal: an amplifier able to deliver about 200 W RMS at 4 ohm on each channel is the right match.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit in my door?\u003c\/b\u003eIt is a standard 6.5\" \/ 165 mm frame. In most cars it replaces the factory speaker directly; some need an adapter ring.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the difference with the SP 6MM NEO?\u003c\/b\u003eSame size, same 38.5 mm CCAW voice coil, same 200 W RMS. The NEO uses a neodymium magnet, so the motor is much smaller and lighter; this one uses a 40 Oz ferrite magnet.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the cone made of?\u003c\/b\u003eFiberglass reinforced paper: light and rigid, so it keeps its shape at high volume.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 6MM midrange handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"200 W RMS continuous and 400 W peak, per speaker. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 6MM need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. An amplifier able to deliver about 200 W RMS at 4 ohm on each channel is the right match.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP 6MM fit a standard car door?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, it is a standard 6.5 inch \/ 165 mm frame. In most cars it replaces the factory speaker directly; some cars need an adapter ring.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between the SP 6MM and the SP 6MM NEO?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Same size, same 38.5 mm CCAW voice coil and the same 200 W RMS. The NEO uses a neodymium magnet, so the motor is much smaller and lighter; the SP 6MM uses a 40 Oz ferrite magnet.\"}},{\"@type\":\"Question\",\"name\":\"What is the SP 6MM cone made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Fiberglass reinforced paper: light and rigid, so it keeps its shape at high volume.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856151187668,"sku":"15111","price":179.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-6mm-cover-2026.jpg?v=1793985067"},{"product_id":"sptw-06-silver-80-watt-rms","title":"SP TW 06 Silver Bullet Tweeter 80W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003esilver bullet tweeter · 111.2 dB · die-cast · single\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e111.2 dB.\u003cbr\u003e\u003cem\u003eOne tweeter, all the highs.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe silver bullet: a die-cast aluminium horn tweeter with 111.2 dB of sensitivity and 80 W RMS. It is sold one at a time, so you buy exactly the number your build needs — two for the front, four for a wall.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-06-ai-pair-studio.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-06-ai-pair-studio.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-06-ai-pair-studio.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-06-ai-pair-studio.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP TW 06 silver bullet tweeter: bullet horn in front, die-cast aluminium body behind, 80 W RMS, 111.2 dB\" width=\"760\" height=\"1018\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e80\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e111.2\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM MINIMUM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DIE-CAST ALUMINIUM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e80 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e150 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · 4 Ω MINIMUM · ALWAYS DRIVEN THROUGH A CROSSOVER\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e111.2 dB: efficiency first\u003c\/b\u003e\n\u003cp\u003eThe highest sensitivity in the SP Audio tweeter range. A horn concentrates the energy instead of spreading it, so a couple of watts are already loud.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA die-cast aluminium body\u003c\/b\u003e\n\u003cp\u003eNot plastic. Cast aluminium keeps the horn rigid and pulls heat away from the motor — which is what keeps the sound clean when the system is running hard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eSold one at a time\u003c\/b\u003e\n\u003cp\u003eBuy exactly what your build needs: two for a front stage, four or six for a competition install. No forced pairs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e80 W RMS, 150 W peak\u003c\/b\u003e\n\u003cp\u003eContinuous power, not a burst figure. On a tweeter this efficient you will almost never need all of it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-06-S-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne tweeter.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a single piece. If you want a stereo front, add two to the cart; for a bigger install, as many as your project needs. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP TW 06 silver bullet tweeter · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers or series capacitors, speaker cable and mounting hardware for your car — a tweeter must never be connected without a filter, see section 07.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e80 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e111.2 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper frequency limit\u003c\/td\u003e\n\u003ctd\u003e20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame\u003c\/td\u003e\n\u003ctd\u003eDie-cast aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eMIDRANGE 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-28-100-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER, PAIR\u003c\/small\u003e\u003cstrong\u003eSP TW 28\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect a tweeter without a filter.\u003c\/b\u003e A crossover, or at the very least a capacitor in series: full range straight from the amplifier will destroy the voice coil in seconds. This is not optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high and check the manual.\u003c\/b\u003e A horn tweeter is meant for the top of the band only. Use the minimum crossover frequency printed in the factory sheet and never go below it — and if you are not sure, write to us before you power it up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm.\u003c\/b\u003e Four ohm is the minimum impedance of this tweeter: wiring two in parallel on one channel takes the amplifier to 2 ohm and it will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e111.2 dB means you need less gain, not more.\u003c\/b\u003e This is the most efficient tweeter we sell: attenuate it, aim it slightly off-axis and stop before the amplifier clips. Clipping kills tweeters, power rarely does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one or for a pair?\u003c\/b\u003eFor one. The SP TW 06 is sold as a single unit: add two to the cart for a stereo front.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does it handle?\u003c\/b\u003e80 W RMS continuous and 150 W peak. With 111.2 dB of sensitivity you will rarely use it all.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I really need a crossover?\u003c\/b\u003eYes. A tweeter must always run behind a crossover or at least a series capacitor. Sending it full range is the single fastest way to burn it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is it made of?\u003c\/b\u003eA die-cast aluminium frame, which keeps the horn rigid and helps dissipate heat.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it?\u003c\/b\u003e4 ohm minimum. Never put it on a load lower than that.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, doors or A-pillars — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is the SP TW 06 sold as a single piece or a pair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"As a single piece. The price on the product page is for one tweeter; add two to the cart for a stereo front.\"}},{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 06 handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"80 W RMS continuous and 150 W peak, with 111.2 dB SPL sensitivity at 1W\/1M.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 06 need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. A tweeter must always run behind a crossover or at least a capacitor in series. Sending it full range from the amplifier will destroy the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"What is the SP TW 06 made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A die-cast aluminium frame, which keeps the horn rigid and helps dissipate heat.\"}},{\"@type\":\"Question\",\"name\":\"What is the impedance of the SP TW 06?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm minimum. It must never be wired to a lower load.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856211185876,"sku":"16","price":46.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-06-cover-2026.jpg?v=1794043560"},{"product_id":"sptw-09-neo-150-watt-rms","title":"SP TW 09 NEO Bullet Tweeter 150W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ebullet tweeter · neodymium · 107 dB · single unit\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e150 watt RMS.\u003cbr\u003e\u003cem\u003e88 mm of body. 107 dB of output.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA neodymium bullet tweeter: 150 W RMS, 300 W peak, 107 dB sensitivity and a 25.4 mm KCCAW voice coil, in a body 88 mm across and 68 mm deep weighing 0.45 kg. The neodymium motor is what keeps it compact. Sold per unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-09-neo-ai-front-back.jpg?v=1794047321\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-09-neo-ai-front-back.jpg?v=1794047321\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-09-neo-ai-front-back.jpg?v=1794047321\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-09-neo-ai-front-back.jpg?v=1794047321\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP TW 09 NEO neodymium bullet tweeter: polished flange and grille in front, black neodymium motor and aluminium body behind\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e107\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e NEODYMIUM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e150 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eNeodymium: the small magnet that hits hard\u003c\/b\u003e\n\u003cp\u003eNeodymium gives the same motor force in a fraction of the volume. That is how a tweeter 88 mm across and 68 mm deep still handles 150 W RMS at 0.45 kg.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e107 dB, above the system\u003c\/b\u003e\n\u003cp\u003eA bullet tweeter is built for pressure. At 107 dB it stays over the midrange and the sub on very few watts, which is exactly what you want on a loud front stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA KCCAW voice coil\u003c\/b\u003e\n\u003cp\u003e25.4 mm of KCCAW winding on a 25 mm throat. Light wire means the coil follows the signal, and takes the heat of 150 W RMS without compressing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eSold per unit, by design\u003c\/b\u003e\n\u003cp\u003eThe price is for one tweeter. Buy two for a front stage, or four, six and up for an SPL wall, without paying for pairs you do not need.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-09-NEO-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne tweeter.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a single SP TW 09 NEO. Order the quantity your build needs: two for a front stage, more for an SPL wall. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP TW 09 NEO bullet tweeter · mounting hardware · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers, capacitors, speaker cable and brackets — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e107 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper frequency limit\u003c\/td\u003e\n\u003ctd\u003e20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e25.4 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eKCCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNeodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall diameter\u003c\/td\u003e\n\u003ctd\u003e88 mm (3.4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e68 mm (2.6\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight (1 pc)\u003c\/td\u003e\n\u003ctd\u003e0.55 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping box (1 pc)\u003c\/td\u003e\n\u003ctd\u003e9.5 × 9.5 × 7.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sptw-27-neo-150-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER · NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP TW 27 — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-45-125-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 125 W\u003c\/small\u003e\u003cstrong\u003eSP TW 45 — 125 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-48-200-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 200 W\u003c\/small\u003e\u003cstrong\u003eSP TW 48 — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect it straight to the amplifier.\u003c\/b\u003e A bullet tweeter always needs a crossover, or at the very least a capacitor in series. Full range on a tweeter destroys the voice coil in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high, not low.\u003c\/b\u003e This is a super tweeter: it plays the top of the range and nothing else. The mid-bass belongs to the midrange, the bass to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two of these in parallel on one channel gives 2 ohm: most amplifiers will heat up or go into protection. One tweeter per channel is the safe way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, and set the gain low.\u003c\/b\u003e The horn is directional, so point it at the listener; then bring the level up slowly. Clipping kills tweeters far more often than power does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 09 NEO handle?\u003c\/b\u003e150 W RMS continuous and 300 W peak. The price on this page is for one tweeter.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes. Always a crossover or at minimum a series capacitor. Never run it full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs it really neodymium?\u003c\/b\u003eYes. The motor uses a neodymium magnet, which is why the body is only 88 mm across, 68 mm deep and 0.45 kg.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much room does it need?\u003c\/b\u003e88 mm of diameter and 68 mm of depth behind the flange. It mounts on the surface: A-pillar, dash or kick panel.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne or two?\u003c\/b\u003eOne. The price is per unit — order two for a front stage, or more for a wall.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, front stage or SPL wall — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 09 NEO bullet tweeter handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"150 W RMS continuous and 300 W peak. The price on the product page is for one tweeter.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 09 NEO need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It always needs a crossover or at minimum a capacitor in series. Running a bullet tweeter full range destroys the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 09 NEO use a neodymium magnet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The motor uses a neodymium magnet, which is why the body is only 88 mm across, 68 mm deep and 0.45 kg.\"}},{\"@type\":\"Question\",\"name\":\"How much space does the SP TW 09 NEO need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"88 mm of diameter and 68 mm of depth behind the flange. It mounts on the surface.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP TW 09 NEO sold singly or in pairs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is sold per unit: the price is for one tweeter.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856214626516,"sku":"28","price":43.6,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-09-neo-cover-ai.jpg?v=1794047321"},{"product_id":"sptw-14-neo-120-watt-rms-1","title":"SP TW 14 Aluminium Tweeter 120W RMS (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ealuminium tweeter · neodymium · 98 dB · pair\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e120 watt RMS.\u003cbr\u003e\u003cem\u003e55 mm across. That is the whole point.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eAn aluminium tweeter with a neodymium motor: 120 W RMS, 240 W peak, 98 dB sensitivity and a 25 mm CCAW voice coil, in a body 55 mm across and 25 mm deep weighing 0.15 kg. It goes where nothing else fits. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-workbench.jpg?v=1794051341\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-workbench.jpg?v=1794051341\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-workbench.jpg?v=1794051341\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-workbench.jpg?v=1794051341\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP TW 14 tweeter pair with the surface-mount cups on the installer’s workbench\" width=\"760\" height=\"1133\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e120\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e240\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e98\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e NEODYMIUM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e120 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e240 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e55 mm across, 25 mm deep\u003c\/b\u003e\n\u003cp\u003eAn overall diameter of 55 mm and a depth of 25 mm, for 0.15 kg. It hides in a factory tweeter cutout, an A-pillar or a door sail panel without any surgery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eNeodymium, because of the size\u003c\/b\u003e\n\u003cp\u003eA neodymium motor gives the drive force in a fraction of the volume of a ferrite one. That is what keeps this tweeter 25 mm deep while it takes 120 W RMS.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e98 dB and a CCAW coil\u003c\/b\u003e\n\u003cp\u003e98 dB of sensitivity from a 25 mm CCAW voice coil: aluminium wire is lighter than copper, so the coil follows the signal instead of dragging behind it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA pair, matched from one batch\u003c\/b\u003e\n\u003cp\u003eTwo tweeters, left and right, from the same production batch. The two sides of the car sound the same, which is exactly what a front stage needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-front-side-body.jpg?v=1794051346\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-front-side-body.jpg?v=1794051346\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-front-side-body.jpg?v=1794051346\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP TW 14 seen from the front and from the side: the aluminium dome behind the grille, inside a 55 mm flange\" width=\"620\" height=\"413\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the dome\u003c\/b\u003eThe aluminium dome inside a flange 55 mm across. Metal, not fabric: it stays controlled at high level instead of softening.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-back-cups-body.jpg?v=1794051346\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-back-cups-body.jpg?v=1794051346\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-ai-back-cups-body.jpg?v=1794051346\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP TW 14 front and back, with the surface-mount cups and the wiring\" width=\"620\" height=\"413\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the magnet\u003c\/b\u003eNeodymium magnet and 25 mm CCAW voice coil, in 25 mm of total depth behind the flange.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-14-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo tweeters, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP TW 14 aluminium tweeters · mounting hardware · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers, capacitors, speaker cable and brackets — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_8b2f2b26-f5a9-44c0-b33a-e4d144f6d5f7.png?v=1794051352\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_8b2f2b26-f5a9-44c0-b33a-e4d144f6d5f7.png?v=1794051352\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_8b2f2b26-f5a9-44c0-b33a-e4d144f6d5f7.png?v=1794051352\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"What you receive: two SP TW 14 tweeters and their accessories in the SP Audio box\" width=\"560\" height=\"373\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e120 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e240 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e98 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper frequency limit\u003c\/td\u003e\n\u003ctd\u003e25 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCCAW (aluminium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNeodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall diameter\u003c\/td\u003e\n\u003ctd\u003e55 mm (2.2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e0.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight (1 pc)\u003c\/td\u003e\n\u003ctd\u003e0.2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping box (1 pc)\u003c\/td\u003e\n\u003ctd\u003e6 × 6 × 3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sptw-27-neo-150-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER · NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP TW 27 — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-45-125-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 125 W\u003c\/small\u003e\u003cstrong\u003eSP TW 45 — 125 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-48-200-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 200 W\u003c\/small\u003e\u003cstrong\u003eSP TW 48 — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect it straight to the amplifier.\u003c\/b\u003e A tweeter always needs a crossover, or at the very least a capacitor in series. Full range on a tweeter destroys the voice coil in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high, not low.\u003c\/b\u003e With a 25 mm dome you stay in the top of the range. The mid-bass belongs to the midrange, the bass to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e The pair in parallel on one channel gives 2 ohm: most amplifiers will heat up or go into protection. One tweeter per channel is the safe way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, and set the gain low.\u003c\/b\u003e A metal dome is directional, so point it at the listener; then bring the level up slowly. Clipping kills tweeters far more often than power does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 14 handle?\u003c\/b\u003e120 W RMS continuous and 240 W peak, per tweeter. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes. Always a crossover or at minimum a series capacitor. Never run it full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat magnet does it use?\u003c\/b\u003eNeodymium. That is why the body stays 55 mm across and only 25 mm deep.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much room does it need?\u003c\/b\u003e55 mm of diameter and 25 mm of depth. It fits most factory tweeter locations without cutting.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne or two?\u003c\/b\u003eTwo. The price is for the pair, matched from the same production batch.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, front stage or SPL wall — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 14 tweeter handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"120 W RMS continuous and 240 W peak, per tweeter. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 14 need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It always needs a crossover or at minimum a capacitor in series. Running a tweeter full range destroys the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"What magnet does the SP TW 14 use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A neodymium magnet, which is why the body is only 55 mm across and 25 mm deep.\"}},{\"@type\":\"Question\",\"name\":\"How much space does the SP TW 14 need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"55 mm of diameter and 25 mm of depth. It fits most factory tweeter locations.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP TW 14 sold singly or in pairs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is sold as a pair, matched from the same production batch.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856215019732,"sku":"21","price":59.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-14-cover-ai.jpg?v=1794051341"},{"product_id":"sptw-18-100-watt-rms","title":"SP TW 18 Tweeter Set 100W RMS \/ 200W MAX (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003etweeter · 38 mm dome · silk + alloy · pair\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e100 watt RMS.\u003cbr\u003e\u003cem\u003eThe top of the system.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 38 mm dome that mixes aluminium-magnesium alloy and silk: the alloy gives the detail, the silk takes the hardness away. 90 dB, 4 ohm, up to 25 kHz. It adds the highs the door speaker cannot reach. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/9_d5056753-848f-4506-a5c2-6c8e43c9444f.webp?v=1794388714\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/9_d5056753-848f-4506-a5c2-6c8e43c9444f.webp?v=1794388714\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/9_d5056753-848f-4506-a5c2-6c8e43c9444f.webp?v=1794388714\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/9_d5056753-848f-4506-a5c2-6c8e43c9444f.webp?v=1794388714\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP TW 18 tweeter pair in front of the SP Audio box: 38 mm aluminium-magnesium and silk dome, 100 W RMS, 4 ohm\" width=\"760\" height=\"760\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e100\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e90\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 38 MM DOME\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e100 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · 4 Ω NOMINAL · ALWAYS DRIVEN THROUGH A CROSSOVER\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eTwo materials in one dome\u003c\/b\u003e\n\u003cp\u003e38 mm of aluminium-magnesium alloy and silk. The alloy keeps the detail up high, the silk takes away the metallic edge that makes long drives tiring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e100 W RMS is a lot for a tweeter\u003c\/b\u003e\n\u003cp\u003e200 W peak, 100 W continuous per tweeter. It will not be the weak link of a system built around a 100 W channel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 25 mm voice coil, not a toy\u003c\/b\u003e\n\u003cp\u003e1\" \/ 25 mm ASV voice coil wound with KCCAW wire: the surface that dissipates heat is what lets a tweeter survive real volume.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eIt goes up to 25 kHz\u003c\/b\u003e\n\u003cp\u003eCymbals, strings, the air around a voice. The part of the recording a 6.5\" door speaker simply cannot reproduce.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-18-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo tweeters, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car match. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP TW 18 tweeter · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers or series capacitors, speaker cable and mounting hardware for your car — a tweeter must never be connected without a filter, see section 07.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e100 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e90 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e1 kHz - 25 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDome diameter\u003c\/td\u003e\n\u003ctd\u003e38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm \/ 1\" ASV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eKCCAW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDome material\u003c\/td\u003e\n\u003ctd\u003eAluminium and magnesium alloy, silk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eMIDRANGE 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-28-100-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER\u003c\/small\u003e\u003cstrong\u003eSP TW 28\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect a tweeter without a filter.\u003c\/b\u003e A crossover, or at the very least a capacitor in series: full range straight from the amplifier will destroy the voice coil in seconds. This is not optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStay well above its lower limit.\u003c\/b\u003e The SP TW 18 starts at 1 kHz: high-pass it above that and let the midrange do everything below.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKeep 4 ohm per channel.\u003c\/b\u003e Two tweeters in parallel on one channel give 2 ohm: most amplifiers heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, then set the gain.\u003c\/b\u003e A tweeter pointed at your ears sounds twice as loud. Turn it up with the crossover in place and stop before the amplifier clips: clipping kills tweeters, power rarely does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 18 handle?\u003c\/b\u003e100 W RMS continuous and 200 W peak, per tweeter. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I really need a crossover?\u003c\/b\u003eYes. A tweeter must always run behind a crossover or at least a series capacitor. Sending it full range is the single fastest way to burn it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do I cross it?\u003c\/b\u003eAbove its 1 kHz lower limit. It runs up to 25 kHz, so the top end is never the problem.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the dome made of?\u003c\/b\u003e38 mm of aluminium and magnesium alloy combined with silk, for detail without hardness.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal, 90 dB. A channel able to deliver around 100 W RMS at 4 ohm is the right match, but with 90 dB much less is already loud.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, doors or A-pillars — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 18 tweeter handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"100 W RMS continuous and 200 W peak, per tweeter. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 18 need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. A tweeter must always run behind a crossover or at least a capacitor in series. Sending it full range from the amplifier will destroy the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"Where should the SP TW 18 be crossed over?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Above its 1 kHz lower limit. The tweeter runs up to 25 kHz.\"}},{\"@type\":\"Question\",\"name\":\"What is the SP TW 18 dome made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 38 mm dome in aluminium and magnesium alloy combined with silk.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP TW 18 need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal and 90 dB sensitivity. A channel able to deliver about 100 W RMS at 4 ohm is the right match.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856217903316,"sku":"27","price":46.27,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-18-ai-cover.jpg?v=1794388713"},{"product_id":"sptw-27-neo-150-watt-rms","title":"SP TW 27 Bullet Tweeter Neo 150W RMS (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ebullet tweeter · neodymium · 114 dB · pair\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e150 watt RMS.\u003cbr\u003e\u003cem\u003eAll the top end, half the size.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA neodymium bullet tweeter: 114 dB sensitivity, a 32.4 mm voice coil and 150 W RMS in a body only 100 mm across and 47 mm deep, weighing 0.5 kg. The neodymium motor is what makes it small without giving up output. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-27-ai-pair-labels.jpg?v=1794392607\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-27-ai-pair-labels.jpg?v=1794392607\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-27-ai-pair-labels.jpg?v=1794392607\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-27-ai-pair-labels.jpg?v=1794392607\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP TW 27 bullet tweeter pair, rear labels: 114 dB, 150 W RMS \/ 300 W peak\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e114\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e NEODYMIUM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e150 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eNeodymium: the small magnet that hits hard\u003c\/b\u003e\n\u003cp\u003eNeodymium gives the same motor force in a fraction of the volume. That is how a tweeter 100 mm across and 47 mm deep still does 114 dB and 150 W RMS.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e114 dB, over the whole system\u003c\/b\u003e\n\u003cp\u003eA bullet tweeter is built for pressure, not politeness. At 114 dB it stays clearly on top of the midrange and the sub, on very few watts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e0.5 kg, and it goes anywhere\u003c\/b\u003e\n\u003cp\u003e100 mm overall, 47 mm deep, half a kilo. It fits on an A-pillar, on the dash or in a kick panel where a full size bullet simply will not go.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA pair, matched from one batch\u003c\/b\u003e\n\u003cp\u003eTwo tweeters, left and right, from the same production batch. The two sides of the car sound the same, which is exactly what a front stage needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-27-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo tweeters, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP TW 27 bullet tweeters · mounting hardware · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers, capacitors, speaker cable and brackets — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e114 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e32.4 mm \/ 1.27\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCCAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eNeodymium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall diameter\u003c\/td\u003e\n\u003ctd\u003e100 mm (4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting depth\u003c\/td\u003e\n\u003ctd\u003e47 mm (1.8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight (1 pc)\u003c\/td\u003e\n\u003ctd\u003e0.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping box (1 pc)\u003c\/td\u003e\n\u003ctd\u003e10 × 10 × 6 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sptw-35s-150-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER · 20 OZ\u003c\/small\u003e\u003cstrong\u003eSP TW 35S — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-48-200-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 200 W\u003c\/small\u003e\u003cstrong\u003eSP TW 48 — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eMIDRANGE 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect it straight to the amplifier.\u003c\/b\u003e A bullet tweeter always needs a crossover, or at the very least a capacitor in series. Full range on a tweeter destroys the voice coil in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high, not low.\u003c\/b\u003e This is a super tweeter: it plays the top of the range and nothing else. The mid-bass belongs to the midrange, the bass to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e The pair in parallel on one channel gives 2 ohm: most amplifiers will heat up or go into protection. One tweeter per channel is the safe way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, and set the gain low.\u003c\/b\u003e The horn is directional, so point it at the listener; then bring the level up slowly. Clipping kills tweeters far more often than power does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 27 handle?\u003c\/b\u003e150 W RMS continuous and 300 W peak, per tweeter. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes. Always a crossover or at minimum a series capacitor. Never run it full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs it really neodymium?\u003c\/b\u003eYes. The motor uses a neodymium magnet, which is why the body is only 100 mm across, 47 mm deep and 0.5 kg.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much room does it need?\u003c\/b\u003e100 mm of diameter and 47 mm of depth behind the flange. It mounts on the surface: A-pillar, dash or kick panel.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne or two?\u003c\/b\u003eTwo. The price is for the pair, matched from the same production batch.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, front stage or SPL wall — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 27 bullet tweeter handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"150 W RMS continuous and 300 W peak, per tweeter. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 27 need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It always needs a crossover or at minimum a capacitor in series. Running a bullet tweeter full range destroys the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 27 use a neodymium magnet?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The motor uses a neodymium magnet, which is why the body is only 100 mm across, 47 mm deep and 0.5 kg.\"}},{\"@type\":\"Question\",\"name\":\"How much space does the SP TW 27 need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"100 mm of diameter and 47 mm of depth behind the flange. It mounts on the surface: A-pillar, dash or kick panel.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP TW 27 sold singly or in pairs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is sold as a pair, matched from the same production batch.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856229404884,"sku":"22","price":83.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-27-ai-cover.jpg?v=1794392607"},{"product_id":"sptw-28-100-watt-rms","title":"SP TW 28 Bullet Tweeter 100W RMS (Pair)","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ebullet tweeter · 110 dB · 1\" throat · pair\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e110 dB.\u003cbr\u003e\u003cem\u003eHighs you hear over the engine.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA bullet tweeter built for SPL: 1\" throat, 32.4 mm voice coil, 8 Oz magnet, 150 W RMS. At 110 dB it cuts through a loud system without being pushed. 95 mm across, 47 mm deep. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-28-ai-workbench.jpg?v=1794396635\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-28-ai-workbench.jpg?v=1794396635\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-28-ai-workbench.jpg?v=1794396635\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-28-ai-workbench.jpg?v=1794396635\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP TW 28 bullet tweeter pair on the workbench, front horn and rear label\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e110\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 110 dB SPL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e150 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · 4 Ω NOMINAL · ALWAYS DRIVEN THROUGH A CROSSOVER\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e110 dB changes the whole balance\u003c\/b\u003e\n\u003cp\u003eA bullet is a horn: the throat concentrates the energy instead of spreading it. At 110 dB it needs a fraction of the power a dome needs for the same level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e32.4 mm of voice coil\u003c\/b\u003e\n\u003cp\u003e1.27\" \/ 32.4 mm wound with CCAW aluminium wire. A big coil is why this one takes 150 W RMS and keeps going.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eAn 8 Oz magnet behind it\u003c\/b\u003e\n\u003cp\u003eThe motor is what turns watts into movement. Eight ounces on a tweeter this size means control, not just loudness.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eSmall enough to place anywhere\u003c\/b\u003e\n\u003cp\u003e95 mm across, 47 mm deep, half a kilo. It goes on the A-pillar, on the dash or on a kick panel, aimed where you want it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-28-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo tweeters, not one.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car match. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP TW 28 bullet tweeter · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers or series capacitors, speaker cable and mounting hardware for your car — a tweeter must never be connected without a filter, see section 07.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e110 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper frequency limit\u003c\/td\u003e\n\u003ctd\u003e25 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e32.4 mm \/ 1.27\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCCAW (aluminium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e8 Oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDIMENSIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall diameter\u003c\/td\u003e\n\u003ctd\u003e95 mm (3.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e47 mm (1.8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e0.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-8cm-150-watt-rms\"\u003e\u003csmall\u003eMIDRANGE 8\" \/ 20 CM\u003c\/small\u003e\u003cstrong\u003eSP 8CM — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-18-100-watt-rms\"\u003e\u003csmall\u003e38 MM DOME TWEETER\u003c\/small\u003e\u003cstrong\u003eSP TW 18\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect a tweeter without a filter.\u003c\/b\u003e A crossover, or at the very least a capacitor in series: full range straight from the amplifier will destroy the voice coil in seconds. This is not optional.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high and check the manual.\u003c\/b\u003e A horn tweeter is meant for the top of the band only. Use the minimum crossover frequency printed in the factory sheet and never go below it — and if you are not sure, write to us before you power it up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKeep 4 ohm per channel.\u003c\/b\u003e Two tweeters in parallel on one channel give 2 ohm: most amplifiers heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e110 dB means you need less gain, not more.\u003c\/b\u003e A bullet this efficient will be louder than the rest of the system: attenuate it, aim it slightly off-axis, and stop before the amplifier clips. Clipping kills tweeters, power rarely does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 28 handle?\u003c\/b\u003e150 W RMS continuous and 300 W peak, per tweeter. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I really need a crossover?\u003c\/b\u003eYes. A tweeter must always run behind a crossover or at least a series capacitor. Sending it full range is the single fastest way to burn it.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhy is a bullet so much louder?\u003c\/b\u003eBecause the horn concentrates the energy. 110 dB against about 90 dB for a normal dome is roughly a hundred times less power for the same level.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow big is it?\u003c\/b\u003e95 mm overall diameter, 47 mm deep, 0.5 kg. The throat is 1\" \/ 25 mm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal. With 110 dB even a small channel drives it: the usual mistake is giving it too much, not too little.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, doors or A-pillars — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 28 bullet tweeter handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"150 W RMS continuous and 300 W peak, per tweeter. The price on the product page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 28 need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. A tweeter must always run behind a crossover or at least a capacitor in series. Sending it full range from the amplifier will destroy the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"How sensitive is the SP TW 28?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"110 dB SPL at 1W\/1M. The horn concentrates the energy, so it needs far less power than a dome tweeter for the same level.\"}},{\"@type\":\"Question\",\"name\":\"What are the dimensions of the SP TW 28?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"95 mm overall diameter, 47 mm deep, 0.5 kg net weight, with a 1 inch \/ 25 mm throat.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP TW 28 need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. With 110 dB sensitivity even a small channel drives it easily.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856235204820,"sku":"4","price":30.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-28-ai-cover.jpg?v=1794396635"},{"product_id":"sptw-35s-150-watt-rms","title":"SP TW 35S Bullet Tweeter 150W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ebullet tweeter · 20 oz magnet · 114 dB · single unit\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e150 watt RMS.\u003cbr\u003e\u003cem\u003eThe top end that cuts through.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA bullet super tweeter built for pressure: 114 dB sensitivity, a 44 mm CCAW voice coil, a 20 Oz magnet and a 45 mm throat. It carries the high notes over a system that is already loud. Sold as a single unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-35s-ai-studio.jpg?v=1794404127\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-35s-ai-studio.jpg?v=1794404127\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-35s-ai-studio.jpg?v=1794404127\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-35s-ai-studio.jpg?v=1794404127\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP TW 35S bullet tweeter in the studio: square horn with 45 mm throat, and a second unit showing the 20 Oz motor\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e114\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 114 dB SPL\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e150 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e300 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER UNIT · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e114 dB: the loudest voice in the car\u003c\/b\u003e\n\u003cp\u003eA bullet tweeter is not a soft dome. At 114 dB it turns a few watts into pressure, and it stays audible over an SPL system that is already playing hard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 44 mm voice coil, not a 20 mm one\u003c\/b\u003e\n\u003cp\u003e1.7\" \/ 44 mm of CCAW aluminium wire. A large coil takes 150 W RMS continuously and pushes the heat out into the 20 Oz motor instead of cooking itself.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 45 mm throat, horn loaded\u003c\/b\u003e\n\u003cp\u003eThe horn concentrates the output forward instead of scattering it. That is where the efficiency comes from, and why it is aimed at the listener, not at the roof.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eMounted where you want it\u003c\/b\u003e\n\u003cp\u003e160 × 120 mm overall, 95 mm deep, 2 kg. A-pillar, dash or kick panel: it goes on the surface, not inside a door.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-35S-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne tweeter.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a single unit, so you build the front stage you actually want: one per side, or four for an SPL wall. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP TW 35S bullet tweeter · mounting hardware · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers, capacitors, speaker cable and brackets — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e114 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e45 mm (1.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e44 mm \/ 1.7\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCCAW (aluminium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e20 Oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall size\u003c\/td\u003e\n\u003ctd\u003e160 × 120 mm (6.2 × 4.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting depth\u003c\/td\u003e\n\u003ctd\u003e95 mm (3.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight (1 pc)\u003c\/td\u003e\n\u003ctd\u003e2.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping box (1 pc)\u003c\/td\u003e\n\u003ctd\u003e16.5 × 12.5 × 10 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sptw-27-neo-150-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER · NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP TW 27 — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-48-200-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 200 W\u003c\/small\u003e\u003cstrong\u003eSP TW 48 — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO CLASS D AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect it straight to the amplifier.\u003c\/b\u003e A bullet tweeter always needs a crossover, or at the very least a capacitor in series. Full range on a tweeter destroys the voice coil in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high, not low.\u003c\/b\u003e This is a super tweeter: it plays the top of the range and nothing else. The mid-bass belongs to the midrange, the bass to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two tweeters in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, and set the gain low.\u003c\/b\u003e The horn is directional, so point it at the listener; then bring the level up slowly. Clipping kills tweeters far more often than power does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 35S handle?\u003c\/b\u003e150 W RMS continuous and 300 W peak, per unit. The price on this page is for one tweeter.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes. Always a crossover or at minimum a series capacitor. Never run it full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow loud is it?\u003c\/b\u003e114 dB SPL at 1W\/1M. That is why it is used in SPL systems and demo cars: it stays on top of everything else.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat magnet and voice coil does it use?\u003c\/b\u003eA 20 Oz magnet and a 44 mm \/ 1.7\" voice coil wound with CCAW aluminium wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere does it mount?\u003c\/b\u003eOn the surface: A-pillar, dash or kick panel. It is 160 × 120 mm with 95 mm of depth behind the flange, and it weighs 2 kg — use a solid bracket.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, front stage or SPL wall — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 35S bullet tweeter handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"150 W RMS continuous and 300 W peak, per unit. The price on the product page is for one tweeter.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 35S need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It always needs a crossover or at minimum a capacitor in series. Running a bullet tweeter full range destroys the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"How sensitive is the SP TW 35S?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"114 dB SPL at 1W\/1M, which is why it is used in SPL systems and demo vehicles.\"}},{\"@type\":\"Question\",\"name\":\"What magnet and voice coil does the SP TW 35S use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 20 Oz magnet and a 44 mm \/ 1.7 inch voice coil wound with CCAW aluminium wire.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP TW 35S sold singly or in pairs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is sold as a single unit. Overall size 160 x 120 mm, 95 mm mounting depth, 2 kg.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856241332436,"sku":"40","price":58.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-35s-ai-cover.jpg?v=1794404127"},{"product_id":"sptw-45-125-watt-rms","title":"SP TW 45 Bullet Tweeter 125W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ebullet tweeter · 112 dB · single unit\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e200 watt RMS.\u003cbr\u003e\u003cem\u003eAll the top end, none of the guesswork.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA bullet tweeter built for pressure: 112 dB sensitivity, a 44.4 mm (1.75\") CCAW aluminium voice coil and 200 W RMS in a body 104 mm across and 73 mm deep, weighing 1.45 kg. Sold singly, one piece per price.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-45-ai-studio.jpg?v=1794408144\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-45-ai-studio.jpg?v=1794408144\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-45-ai-studio.jpg?v=1794408144\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-45-ai-studio.jpg?v=1794408144\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP TW 45 bullet tweeter in the studio: aluminium horn front and a second unit showing the SPTW-45 label on the magnet\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e112\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e CCAW ALUMINIUM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e200 W RMS, and 400 W only as a peak\u003c\/b\u003e\n\u003cp\u003eThe number that matters is the continuous one: 200 W RMS on a nominal 4 ohm load. The 400 W MAX figure is a peak, it is not a working power and we do not sell it as one.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e112 dB, on very few watts\u003c\/b\u003e\n\u003cp\u003eSensitivity is what you actually hear. At 112 dB SPL 1W\/1M this tweeter sits on top of the midrange and the sub without asking the amplifier for much.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe voice coil does the work\u003c\/b\u003e\n\u003cp\u003eA 44.4 mm (1.75\") CCAW aluminium voice coil. That is the part that turns watts into pressure, and it is the part that burns if you run a tweeter full range.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eOne piece, buy exactly what you need\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one tweeter. Build a two-way front with two of them, or add a single one to a system that is already there — you decide, without paying for a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-45-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne tweeter, at unit price.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for one piece. If you want a full front stage, order two: they ship from the same stock, so left and right match. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP TW 45 bullet tweeter · mounting hardware · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers, capacitors, speaker cable and brackets — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e112 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper frequency limit\u003c\/td\u003e\n\u003ctd\u003e25 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e44.4 mm \/ 1.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCCAW (aluminium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e12 Oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall diameter\u003c\/td\u003e\n\u003ctd\u003e104 mm (4.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting depth\u003c\/td\u003e\n\u003ctd\u003e73 mm (2.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e1.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight (1 pc)\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping box (1 pc)\u003c\/td\u003e\n\u003ctd\u003e12 × 11 × 8.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit (1 piece)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sptw-27-neo-150-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER · NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP TW 27 — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-48-200-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 200 W\u003c\/small\u003e\u003cstrong\u003eSP TW 48 — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO CLASS D AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect it straight to the amplifier.\u003c\/b\u003e A tweeter always needs a crossover, or at the very least a capacitor in series. Full range on a tweeter destroys the voice coil in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high, not low.\u003c\/b\u003e This is a super tweeter: it plays the top of the range and nothing else. The mid-bass belongs to the midrange, the bass to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e This page is one piece. Two of them in parallel on the same channel give 2 ohm: most amplifiers will heat up or go into protection. One tweeter per channel is the safe way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, and set the gain low.\u003c\/b\u003e A tweeter like this is directional, so point it at the listener; then bring the level up slowly. Clipping kills tweeters far more often than power does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 45 handle?\u003c\/b\u003e200 W RMS continuous and 400 W peak, per piece. The price on this page is for one tweeter.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes. Always a crossover or at minimum a series capacitor. Never run it full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat impedance is it?\u003c\/b\u003e4 ohm nominal. Use one tweeter per channel: two in parallel on the same channel drop the load to 2 ohm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the voice coil made of?\u003c\/b\u003e44.4 mm (1.75\") CCAW aluminium voice coil.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one or for a pair?\u003c\/b\u003eFor one. This is a unit price — order two if you want a left and a right.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, front stage or SPL wall — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 45 handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"200 W RMS continuous and 400 W peak, per piece. The price on this page is for one tweeter.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Always a crossover or at minimum a series capacitor. Never run it full range.\"}},{\"@type\":\"Question\",\"name\":\"What impedance is it?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. Use one tweeter per channel: two in parallel on the same channel drop the load to 2 ohm.\"}},{\"@type\":\"Question\",\"name\":\"What is the voice coil made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"44.4 mm (1.75\\\") CCAW aluminium voice coil.\"}},{\"@type\":\"Question\",\"name\":\"Is the price for one or for a pair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For one. This is a unit price — order two if you want a left and a right.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856246608084,"sku":"17","price":27.34,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-45-ai-cover.jpg?v=1794408144"},{"product_id":"sptw-48-200-watt-rms","title":"SP TW 48 Bullet Tweeter 200W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ebullet tweeter · 200 w rms · 112 dB · single unit\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e200 watt RMS.\u003cbr\u003e\u003cem\u003eThe strongest tweeter of the range.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eThe bullet tweeter for big systems: 200 W RMS continuous, 112 dB sensitivity and a 44.4 mm CCAW voice coil in a 104 mm body only 73 mm deep. More power handling than the rest of the range, in a compact housing. Sold as a single unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-studio.jpg?v=1794412232\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-studio.jpg?v=1794412232\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-studio.jpg?v=1794412232\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-studio.jpg?v=1794412232\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"Two SP TW 48 bullet tweeters in the studio: rear label and front horn\" width=\"760\" height=\"507\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e400\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e112\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 200 W RMS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e200 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e400 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER UNIT · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e200 W RMS: the highest in the range\u003c\/b\u003e\n\u003cp\u003eContinuous power, not burst. When the front stage runs on serious amplification, this is the tweeter that keeps up with it instead of asking for mercy.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 44.4 mm voice coil\u003c\/b\u003e\n\u003cp\u003e1.75\" of CCAW aluminium wire. The bigger the coil, the more heat it can move out of the gap — which is exactly what 200 W RMS demands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e112 dB, horn loaded\u003c\/b\u003e\n\u003cp\u003eA 25 mm throat with a horn in front of it. The output goes forward, towards the listener, which is where the efficiency and the presence come from.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eCompact for what it does\u003c\/b\u003e\n\u003cp\u003e104 mm across, 73 mm deep, 1.45 kg. It handles 200 W RMS in a housing that still fits on an A-pillar or a kick panel.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-panel-horn.jpg?v=1794412222\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-panel-horn.jpg?v=1794412222\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-panel-horn.jpg?v=1794412222\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP TW 48 seen from the front: the horn and the 25 mm throat\" width=\"620\" height=\"413\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the horn\u003c\/b\u003e25 mm throat inside a 104 mm body. The horn aims the high frequencies at the listener instead of spreading them.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-panel-magnet.jpg?v=1794412222\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-panel-magnet.jpg?v=1794412222\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-panel-magnet.jpg?v=1794412222\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP TW 48 seen from the back: the 12 Oz magnet and the body\" width=\"620\" height=\"413\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003e12 Oz magnet, 44.4 mm CCAW voice coil, 73 mm of depth behind the flange. 1.45 kg.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-48-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩ Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne tweeter.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a single unit, so you build the front stage you actually want: one per side, or more for an SPL wall. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP TW 48 bullet tweeter · mounting hardware · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers, capacitors, speaker cable and brackets — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ph\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-tile-side.jpg?v=1794412222\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-tile-side.jpg?v=1794412222\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-tile-side.jpg?v=1794412222\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP TW 48 bullet tweeter, three-quarter view on the bench\" width=\"560\" height=\"373\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e400 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e112 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e44.4 mm \/ 1.75\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCCAW (aluminium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e12 Oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall diameter\u003c\/td\u003e\n\u003ctd\u003e104 mm (4.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting depth\u003c\/td\u003e\n\u003ctd\u003e73 mm (2.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e1.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight (1 pc)\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping box (1 pc)\u003c\/td\u003e\n\u003ctd\u003e12 × 11 × 8.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sptw-35s-150-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER · 20 OZ\u003c\/small\u003e\u003cstrong\u003eSP TW 35S — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-27-neo-150-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER · NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP TW 27 — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONO CLASS D AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect it straight to the amplifier.\u003c\/b\u003e A bullet tweeter always needs a crossover, or at the very least a capacitor in series. Full range on a tweeter destroys the voice coil in seconds — 200 W RMS makes it faster, not safer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high, not low.\u003c\/b\u003e This is a super tweeter: it plays the top of the range and nothing else. The mid-bass belongs to the midrange, the bass to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two tweeters in parallel on one channel give 2 ohm: most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, and set the gain low.\u003c\/b\u003e The horn is directional, so point it at the listener; then bring the level up slowly. Clipping kills tweeters far more often than power does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 48 handle?\u003c\/b\u003e200 W RMS continuous and 400 W peak, per unit. The price on this page is for one tweeter.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes. Always a crossover or at minimum a series capacitor. Never run it full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow does it compare with the SP TW 35S?\u003c\/b\u003eMore power handling, 200 W RMS against 150 W RMS, in a smaller housing: 104 mm and 1.45 kg against 160 × 120 mm and 2 kg. The 35S is more sensitive, 114 dB against 112 dB.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat magnet and voice coil does it use?\u003c\/b\u003eA 12 Oz magnet and a 44.4 mm \/ 1.75\" voice coil wound with CCAW aluminium wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere does it mount?\u003c\/b\u003eOn the surface: A-pillar, dash or kick panel. 104 mm of diameter, 73 mm of depth behind the flange.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, front stage or SPL wall — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 48 bullet tweeter handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"200 W RMS continuous and 400 W peak, per unit. The price on the product page is for one tweeter.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 48 need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It always needs a crossover or at minimum a capacitor in series. Running a bullet tweeter full range destroys the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"How sensitive is the SP TW 48?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"112 dB SPL at 1W\/1M, with 200 W RMS of continuous power handling.\"}},{\"@type\":\"Question\",\"name\":\"What magnet and voice coil does the SP TW 48 use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 12 Oz magnet and a 44.4 mm \/ 1.75 inch voice coil wound with CCAW aluminium wire.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP TW 48 sold singly or in pairs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is sold as a single unit. Overall diameter 104 mm, 73 mm mounting depth, 1.45 kg.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856255914196,"sku":"13","price":44.18,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-48-ai-cover.jpg?v=1794412233"},{"product_id":"sptw-55-175-watt-rms","title":"SP TW 55 Bullet Tweeter 175W RMS","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ebullet tweeter · 12 oz · 114 dB · single unit\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e175 watt RMS.\u003cbr\u003e\u003cem\u003eBuilt to cut through an SPL wall.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA big bullet tweeter: 175 W RMS, 350 W peak, 114 dB sensitivity, a 44.4 mm CCAW voice coil and a 12 oz magnet, in a 115 × 98 mm body 78 mm deep weighing 1.3 kg. Sold per unit, so you build the array you need.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-55-ai-studio.jpg?v=1794424037\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-55-ai-studio.jpg?v=1794424037\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-55-ai-studio.jpg?v=1794424037\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-55-ai-studio.jpg?v=1794424037\u0026amp;width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP TW 55 bullet tweeter in the workshop: rear label 175 W RMS \/ 350 W peak\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e175\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e350\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e114\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 12 OZ MAGNET\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e175 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e350 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this tweeter\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e114 dB, over everything\u003c\/b\u003e\n\u003cp\u003eA bullet tweeter is built for pressure, not politeness. At 114 dB the SP TW 55 stays clearly on top of the midrange and the sub, on very few watts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA 44.4 mm voice coil\u003c\/b\u003e\n\u003cp\u003e44.4 mm of CCAW winding. A big coil dissipates more heat and moves more air, which is how a tweeter takes 175 W RMS continuously and not just in bursts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e12 oz of magnet\u003c\/b\u003e\n\u003cp\u003eA 12 oz motor behind the horn: more drive force means the coil is controlled at high level, where a small motor starts to compress.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eSold per unit, by design\u003c\/b\u003e\n\u003cp\u003eThe price is for one tweeter. Buy two for a front stage, or four, six and up for an SPL wall, without paying for pairs you do not need.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SPTW-55-Manual-EN-2026.pdf?v=1790436435\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ffffff;\"\u003e\u003cspan style=\"display: inline-block; background: rgb(232, 86, 15); padding: 18px 36px; border-radius: 6px; letter-spacing: 1px; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; text-transform: uppercase; box-shadow: rgba(232, 86, 15, 0.35) 0px 8px 24px;\"\u003e\u003cb\u003e⇩  Open the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne tweeter.\u003c\/b\u003e\n\u003cp\u003eThe price on this page is for a single SP TW 55. Order the quantity your build needs: two for a front stage, more for an SPL wall. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP TW 55 bullet tweeter · mounting hardware · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers, capacitors, speaker cable and brackets — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e175 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e350 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e114 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpper frequency limit\u003c\/td\u003e\n\u003ctd\u003e25 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e25 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e44.4 mm (1.75\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCCAW (aluminium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003e12 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall size\u003c\/td\u003e\n\u003ctd\u003e115 × 98 mm (4.5 × 3.9\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e78 mm (3.1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e1.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight (1 pc)\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping box (1 pc)\u003c\/td\u003e\n\u003ctd\u003e13 × 10.5 × 8.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top: 10px;\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sptw-48-200-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 200 W\u003c\/small\u003e\u003cstrong\u003eSP TW 48 — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-27-neo-150-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER · NEODYMIUM\u003c\/small\u003e\u003cstrong\u003eSP TW 27 — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sptw-45-125-watt-rms\"\u003e\u003csmall\u003eBULLET TWEETER 125 W\u003c\/small\u003e\u003cstrong\u003eSP TW 45 — 125 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cm\"\u003e\u003csmall\u003eMIDRANGE 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CM — 120 W RMS\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eNever connect it straight to the amplifier.\u003c\/b\u003e A bullet tweeter always needs a crossover, or at the very least a capacitor in series. Full range on a tweeter destroys the voice coil in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCross it high, not low.\u003c\/b\u003e This is a super tweeter: it plays the top of the range and nothing else. The mid-bass belongs to the midrange, the bass to the subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two of these in parallel on one channel gives 2 ohm: most amplifiers will heat up or go into protection. One tweeter per channel is the safe way.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, and set the gain low.\u003c\/b\u003e The horn is directional, so point it at the listener; then bring the level up slowly. Clipping kills tweeters far more often than power does.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\n\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP TW 55 handle?\u003c\/b\u003e175 W RMS continuous and 350 W peak. The price on this page is for one tweeter.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes. Always a crossover or at minimum a series capacitor. Never run it full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhy is it so loud?\u003c\/b\u003e114 dB of sensitivity, a 44.4 mm voice coil and a 12 oz magnet. It is built for SPL systems.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much room does it need?\u003c\/b\u003e115 × 98 mm of mouth and 78 mm of depth behind the flange. It mounts on the surface.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne or two?\u003c\/b\u003eOne. The price is per unit — order two for a front stage, or more for a wall.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, front stage or SPL wall — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 375 604 5336\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP TW 55 bullet tweeter handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"175 W RMS continuous and 350 W peak. The price on the product page is for one tweeter.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP TW 55 need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. It always needs a crossover or at minimum a capacitor in series. Running a bullet tweeter full range destroys the voice coil.\"}},{\"@type\":\"Question\",\"name\":\"Why is the SP TW 55 so loud?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"114 dB of sensitivity, a 44.4 mm CCAW voice coil and a 12 oz magnet. It is built for SPL systems.\"}},{\"@type\":\"Question\",\"name\":\"How much space does the SP TW 55 need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A mouth of 115 by 98 mm and 78 mm of depth behind the flange.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP TW 55 sold singly or in pairs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is sold per unit: the price is for one tweeter.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856263909588,"sku":"18","price":37.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sptw-55-ai-cover.jpg?v=1794424037"},{"product_id":"sptw-35s-horn","title":"SPTW-35S Horn Flange for Bullet Tweeter","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-product-style.css\"\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\" fetchpriority=\"low\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ehorn flange · for SPTW-35s · driver not included · single unit\u003c\/span\u003e\u003ch2 class=\"big d\"\u003eJust the horn.\u003cbr\u003e\u003cem\u003eThe driver is not included.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eReplacement or spare horn for the SPTW-35s driver: the flange on its own, to complete or repair an installation you already have. Part number 14. Sold as a single unit — the driver is sold separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sptw-35s-horn-poster-2026.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sptw-35s-horn-poster-2026.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sptw-35s-horn-poster-2026.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sptw-35s-horn-poster-2026.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SPTW-35S horn flange for bullet tweeter, driver not included\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Free worldwide shipping\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FOR SPTW-35s\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e DRIVER NOT INCLUDED\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e SPARE PART\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e UNIT PRICE\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\u003ch3\u003eWhy this horn\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eOnly the horn, nothing else\u003c\/b\u003e\u003cp\u003eThis page sells the flange on its own. If your SPTW-35s driver is intact and only the horn is cracked, broken or missing, this is the part you replace.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eMade for the SPTW-35s\u003c\/b\u003e\u003cp\u003eIt is the horn of the SPTW-35s, so it goes back on without adapters and without guessing at the coupling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA horn aims the sound\u003c\/b\u003e\u003cp\u003eA horn adds no power of its own: it concentrates the pressure the driver already makes and points it where you sit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“The horn alone. The driver is sold separately.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree worldwide shipping\u003c\/span\u003e\u003cspan\u003eSold as a single unit\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne horn, sold on its own.\u003c\/b\u003e\u003cp\u003eThe price on this page is for one piece: the SPTW-35s horn alone. Part number 14. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SPTW-35s horn · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e the SPTW-35s compression driver, screws, crossovers, capacitors, speaker cable and brackets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCOMPATIBILITY\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFor\u003c\/td\u003e\n\u003ctd\u003eSPTW-35s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eIDENTIFICATION\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePACKAGING \u0026amp; SALE\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver\u003c\/td\u003e\n\u003ctd\u003eNot included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003eFree worldwide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top:10px\"\u003eONLY THE DATA PRINTED ON THE PRODUCT SHEET IS LISTED · NOTHING IS ESTIMATED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sptw-driver-35-250w-rms\"\u003e\u003csmall\u003eCOMPRESSION DRIVER\u003c\/small\u003e\u003cstrong\u003eSP DRIVER 35 — 250 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-driver-44-200w-rms\"\u003e\u003csmall\u003eCOMPRESSION DRIVER · WITHOUT HORN\u003c\/small\u003e\u003cstrong\u003eSP DRIVER 44 — 250 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-driver-80-500w-rms\"\u003e\u003csmall\u003eCOMPRESSION DRIVER · WITHOUT HORN\u003c\/small\u003e\u003cstrong\u003eSP DRIVER 80 — 500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-horn-50-plastic\"\u003e\u003csmall\u003eHORN FLANGE · PLASTIC\u003c\/small\u003e\u003cstrong\u003eSP-HORN 50 (PLASTIC)\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThe driver is not included.\u003c\/b\u003e This page is the horn alone. Order the SPTW-35s driver separately if you do not already have one.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it at the listener.\u003c\/b\u003e A horn is directional: the pressure goes where the mouth points. Aim it before you close the panel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThe driver still needs a crossover.\u003c\/b\u003e The horn changes nothing here: a compression driver wired full range does not survive. Use a crossover, or at the very least a capacitor in series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTighten evenly, without forcing.\u003c\/b\u003e Bring the screws up a little at a time, in sequence. A flange forced on one corner ends up cracked or badly coupled.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the driver included?\u003c\/b\u003eNo. This page is the horn alone: the SPTW-35s driver is sold separately.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhich driver does it fit?\u003c\/b\u003eThe SPTW-35s.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne or two?\u003c\/b\u003eOne. The price on this page is for a single horn.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the part number?\u003c\/b\u003ePart number 14.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us which driver you own and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the driver included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This page is the horn alone: the SPTW-35s driver is sold separately.\"}}, {\"@type\": \"Question\", \"name\": \"Which driver does it fit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The SPTW-35s.\"}}, {\"@type\": \"Question\", \"name\": \"One or two?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"One. The price on this page is for a single horn.\"}}, {\"@type\": \"Question\", \"name\": \"What is the part number?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Part number 14.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42856314142932,"sku":"14","price":5.03,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/0_fb4bdbfa-2f4b-4ee4-b417-4b54478e1253.webp?v=1773055994"},{"product_id":"sp-6-9cx-coaxial-speaker","title":"SP 6X9CX Coaxial Speakers 6x9\" 150W RMS (Pair)","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-product-style.css\"\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\" fetchpriority=\"low\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ecoaxial · 4-way · 6×9 inch · oem replacement\u003c\/span\u003e\u003ch2 class=\"big d\"\u003e150 watt RMS.\u003cbr\u003e\u003cem\u003eWoofer, midrange and two tweeters in one frame.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA 6×9\" coaxial for the rear shelf and the doors that take the oval size: a grey PP cone, a 58 mm mylar midrange and two 15 mm mylar tweeters on the same axis. 4 ohm, 87 dB, 100 Hz - 22 kHz. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-6x9cx-poster-2026.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-6x9cx-poster-2026.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-6x9cx-poster-2026.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-6x9cx-poster-2026.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 6X9CX coaxial speaker, 150 W RMS, 4 ohm\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e87\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the factory specification sheet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e COAXIAL 4-WAY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\u003cdiv class=\"trk\"\u003e\u003cdiv class=\"fil\" style=\"width:50%\"\u003e150 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\u003cdiv class=\"trk\"\u003e\u003cdiv class=\"fil mx\" style=\"width:100%\"\u003e300 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\u003ch3\u003eWhy this coaxial\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eFour sources on one axis\u003c\/b\u003e\u003cp\u003eA 58 mm mylar midrange and two 15 mm mylar tweeters sit in front of the cone. One speaker, one hole, one pair of wires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA cone built for a car\u003c\/b\u003e\u003cp\u003eInjection PP, grey, rubber edge. Injection-moulded polypropylene does not soften with damp or heat, and the rubber edge keeps working for years.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e1.25\" voice coil\u003c\/b\u003e\u003cp\u003eA 30.5 mm voice coil on a strontium magnet: 150 W RMS continuous, 300 W peak, per speaker.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe oval 6×9\" size\u003c\/b\u003e\u003cp\u003e6×9\" nominal, 4 ohm. It goes where the car or the rear shelf has an oval 6×9\" location.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003ePair price · 2 speakers\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the factory sheet.\u003c\/p\u003e\n\u003ca class=\"b\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-6X9CX-Manual-EN-2026.pdf?v=1790778572\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#E8560F;color:#ffffff;padding:18px 36px;border-radius:6px;font-weight:900;font-size:16px;letter-spacing:1px;text-decoration:none;text-transform:uppercase;box-shadow:0 8px 24px rgba(232,86,15,.35)\"\u003e⇩  Open the manual (PDF)\u003c\/a\u003e\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\u003cp\u003eThe price on this page is for a pair: left and right, so the two sides of the car are matched.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 6X9CX coaxial speakers · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e speaker cable and adapters — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e6×9\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e87 dB \/ 1W \/ 1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e100 Hz - 22 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eDRIVER \u0026amp; MATERIALS\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil\u003c\/td\u003e\n\u003ctd\u003e1.25\" (Φ30.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMidrange\u003c\/td\u003e\n\u003ctd\u003eΦ58 mm mylar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTweeter\u003c\/td\u003e\n\u003ctd\u003e2 × Φ15 mm mylar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eStrontium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eInjection PP, grey, rubber edge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top:10px\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-9c-coaxial-speaker-4way\"\u003e\u003csmall\u003eCOAXIAL 6×9\"\u003c\/small\u003e\u003cstrong\u003eSP 6X9C\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cx-coaxial-speaker\"\u003e\u003csmall\u003eCOAXIAL 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CX\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-5-25cx-coaxial-speaker\"\u003e\u003csmall\u003eCOAXIAL 5.25\"\u003c\/small\u003e\u003cstrong\u003eSP 5.25CX\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMeasure the location and the depth first.\u003c\/b\u003e Check the 6×9\" cut-out and the free space behind the panel or the rear shelf before you order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most head units and small amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWith a powerful amplifier, use a high-pass filter.\u003c\/b\u003e Cut below 100 Hz and leave the deep bass to a subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRespect the polarity.\u003c\/b\u003e Wiring both speakers in phase changes more than any setting on the head unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 6X9CX handle?\u003c\/b\u003e150 W RMS continuous and 300 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is inside the coaxial?\u003c\/b\u003eA grey PP woofer cone, a 58 mm mylar midrange and two 15 mm mylar tweeters on the same axis.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal. A head unit will drive it, but an amplifier able to deliver about 150 W RMS at 4 ohm per channel is what it is rated for.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency response?\u003c\/b\u003e100 Hz - 22 kHz, with a sensitivity of 87 dB 1W\/1M.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one speaker or for a pair?\u003c\/b\u003eFor a pair: two speakers, left and right.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us the car and what you want to build — we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 6X9CX handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"150 W RMS continuous and 300 W peak, per speaker. The price on this page is for a pair.\"}}, {\"@type\": \"Question\", \"name\": \"What is inside the coaxial?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A grey PP woofer cone, a 58 mm mylar midrange and two 15 mm mylar tweeters on the same axis.\"}}, {\"@type\": \"Question\", \"name\": \"What amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"4 ohm nominal. A head unit will drive it, but an amplifier able to deliver about 150 W RMS at 4 ohm per channel is what it is rated for.\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency response?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"100 Hz - 22 kHz, with a sensitivity of 87 dB 1W\/1M.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one speaker or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For a pair: two speakers, left and right.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867171918036,"sku":"45003","price":75.01,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_5fdbc834-e0ba-4aa7-9d3d-0852d5bddd41.webp?v=1772992684"},{"product_id":"sp-6-5cx-coaxial-speaker","title":"SP 6.5CX Coaxial Speakers 6.5\" 150W RMS (Pair)","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-product-style.css\"\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\" fetchpriority=\"low\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ecoaxial · 2-way · 6.5 inch · oem replacement\u003c\/span\u003e\u003ch2 class=\"big d\"\u003e150 watt RMS.\u003cbr\u003e\u003cem\u003eIt goes where the old one was.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA two-way coaxial: woofer and tweeter on the same axis, in one frame. 6.5\"\/16.5 cm, 95 dB, 4 ohm. It replaces the factory speaker in the original hole — no external crossover, no tweeter to mount separately, two wires and it plays. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-6-5cx-poster-2026.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-6-5cx-poster-2026.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-6-5cx-poster-2026.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/spaudio-sp-6-5cx-poster-2026.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 6.5CX coaxial speaker, 150 W RMS, 4 ohm\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e150\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e300\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e95\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the factory specification sheet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e COAXIAL 2-WAY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\u003cdiv class=\"trk\"\u003e\u003cdiv class=\"fil\" style=\"width:50%\"\u003e150 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\u003cdiv class=\"trk\"\u003e\u003cdiv class=\"fil mx\" style=\"width:100%\"\u003e300 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\u003ch3\u003eWhy this coaxial\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eWoofer and tweeter in one piece\u003c\/b\u003e\u003cp\u003eThe high notes come from a tweeter mounted on the same axis as the cone. One speaker, one hole, one pair of wires: the sound stage stays where the factory speaker was.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eNo crossover to install\u003c\/b\u003e\u003cp\u003eThe filter for the tweeter is already inside. Nothing to hide behind the door panel, nothing to wire, nothing to set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA cone built for a car door\u003c\/b\u003e\u003cp\u003eInjection PP, grey, rubber surround. Injection-moulded polypropylene does not soften with damp or heat, and the rubber surround keeps working after years inside a door.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eIt goes in the standard 6.5\" hole\u003c\/b\u003e\u003cp\u003e165 mm nominal, 4 ohm. In most cars it drops straight into the factory location and sounds far better than the speaker it replaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the factory sheet.\u003c\/p\u003e\n\u003ca class=\"b\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-6.5CX-Manual-EN-2026.pdf?v=1790778561\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#E8560F;color:#ffffff;padding:18px 36px;border-radius:6px;font-weight:900;font-size:16px;letter-spacing:1px;text-decoration:none;text-transform:uppercase;box-shadow:0 8px 24px rgba(232,86,15,.35)\"\u003e⇩  Open the manual (PDF)\u003c\/a\u003e\u003cp class=\"n\"\u003eEnglish · 2026 · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\u003cp\u003eThe price on this page is for a pair: left and right, from the same production batch, so the two sides of the car are matched. Packed in the SP Audio box with the protective foam.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 6.5CX coaxial speakers · mounting screws · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable and adapter rings — installation materials, chosen for your car. No external crossover is needed: it is built into the speaker.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e150 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e300 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e165 mm (6.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e95 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e100 Hz - 22 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eDRIVER \u0026amp; MATERIALS\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil\u003c\/td\u003e\n\u003ctd\u003e25.5 mm \/ 1\" ASV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eStrontium 8.0 Oz — Φ80×Φ40×12 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eInjection PP, grey, rubber surround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top:10px\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-5c-coaxial-speaker\"\u003e\u003csmall\u003eCOAXIAL 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5C\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-4c-coaxial-speaker\"\u003e\u003csmall\u003eCOAXIAL 4\" \/ 10 CM\u003c\/small\u003e\u003cstrong\u003eSP 4C\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5kit-componet-set\"\u003e\u003csmall\u003e2-WAY COMPONENT KIT 6.5\"\u003c\/small\u003e\u003cstrong\u003eSP 6.5 KIT\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMeasure the hole and the depth first.\u003c\/b\u003e A coaxial is deeper than a plain woofer, because the tweeter sits above the cone. Check the 6.5\" cut-out and the free space behind the door panel or the window mechanism before you order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most head units and small amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWith a powerful amplifier, use a high-pass filter.\u003c\/b\u003e Cut below 100 Hz and leave the bass to a subwoofer. Feeding deep notes to a coaxial is the fastest way to damage it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSeal the door panel and respect the polarity.\u003c\/b\u003e Sound-deadening the panel and wiring both speakers in phase change more than any setting on the head unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 6.5CX handle?\u003c\/b\u003e150 W RMS continuous and 300 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need an external crossover or a separate tweeter?\u003c\/b\u003eNo. It is a coaxial: the tweeter and its filter are built into the speaker. You connect two wires and it plays full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal. A head unit will drive it, but an amplifier able to deliver about 150 W RMS at 4 ohm per channel is what it is rated for.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it fit in my car?\u003c\/b\u003eIt is a standard 6.5\" \/ 165 mm frame. In most cars it replaces the factory speaker directly; check the mounting depth and, on some cars, use an adapter ring.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one speaker or for a pair?\u003c\/b\u003eFor a pair: two speakers, left and right, from the same batch.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us the car and what you want to build — we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 6.5CX handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"150 W RMS continuous and 300 W peak, per speaker. The price on this page is for a pair.\"}},{\"@type\":\"Question\",\"name\":\"Do I need an external crossover or a separate tweeter?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. It is a coaxial: the tweeter and its filter are built into the speaker. You connect two wires and it plays full range.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does it need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal. A head unit will drive it, but an amplifier able to deliver about 150 W RMS at 4 ohm per channel is what it is rated for.\"}},{\"@type\":\"Question\",\"name\":\"Will it fit in my car?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is a standard 6.5\\\" \/ 165 mm frame. In most cars it replaces the factory speaker directly; check the mounting depth and, on some cars, use an adapter ring.\"}},{\"@type\":\"Question\",\"name\":\"Is the price for one speaker or for a pair?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"For a pair: two speakers, left and right, from the same batch.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867173228756,"sku":"45001","price":49.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/0_41dd7d69-0839-4bf1-a73a-9aa4b258ff42.webp?v=1772993156"},{"product_id":"sp-5-25cx-coaxial-speaker","title":"SP 5.25CX Coaxial Speakers 5.25\" 100W RMS (Pair)","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-product-style.css\"\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\" fetchpriority=\"low\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003ecoaxial · 2-way · 5.25 inch · oem replacement\u003c\/span\u003e\u003ch2 class=\"big d\"\u003e100 watt RMS.\u003cbr\u003e\u003cem\u003eIt goes where the old one was.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA two-way coaxial: woofer and tweeter on the same axis, in one frame. 5.25\"\/13.5 cm, 94 dB, 4 ohm. It replaces the factory speaker in the original hole — two wires and it plays. Sold as a pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-5-25cx-65201520.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-5-25cx-65201520.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-5-25cx-65201520.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-5-25cx-65201520.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 5.25CX poster\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e100\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e200\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e94\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the factory specification sheet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e PAIR PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e COAXIAL 2-WAY\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\u003cdiv class=\"trk\"\u003e\u003cdiv class=\"fil\" style=\"width:50%\"\u003e100 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\u003cdiv class=\"trk\"\u003e\u003cdiv class=\"fil mx\" style=\"width:100%\"\u003e200 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER SPEAKER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\u003ch3\u003eWhy this coaxial\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eWoofer and tweeter in one piece\u003c\/b\u003e\u003cp\u003eA 28 mm mylar balanced dome tweeter sits on the axis of the cone. One speaker, one hole, one pair of wires.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA cone built for a car door\u003c\/b\u003e\u003cp\u003eInjection PP, grey, rubber edge. Injection-moulded polypropylene does not soften with damp or heat, and the rubber edge keeps working for years inside a door.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e94 dB sensitivity\u003c\/b\u003e\u003cp\u003eHigh sensitivity: it plays loud even from the head unit, and with an amplifier it takes 100 W RMS continuous per speaker.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eIt goes in the standard 5.25\" hole\u003c\/b\u003e\u003cp\u003e5.25\" \/ 13.5 cm, 4 ohm. In many cars it drops straight into the factory location.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003ePair price · 2 speakers\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications and mounting data, straight from the factory sheet.\u003c\/p\u003e\n\u003ca class=\"b\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-5.25CX-Manual-EN-2026.pdf?v=1790778560\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#E8560F;color:#ffffff;padding:18px 36px;border-radius:6px;font-weight:900;font-size:16px;letter-spacing:1px;text-decoration:none;text-transform:uppercase;box-shadow:0 8px 24px rgba(232,86,15,.35)\"\u003e⇩  Open the manual (PDF)\u003c\/a\u003e\u003cp class=\"n\"\u003eEnglish · 2026 · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eTwo speakers, not one.\u003c\/b\u003e\u003cp\u003eThe price on this page is for a pair: left and right, so the two sides of the car are matched.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × SP 5.25CX coaxial speakers · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e speaker cable and adapter rings — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated power (RMS)\u003c\/td\u003e\n\u003ctd\u003e100 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak power (MAX)\u003c\/td\u003e\n\u003ctd\u003e200 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e5.25\" (13.5 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e94 dB \/ 1W \/ 1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e120 Hz - 22 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eDRIVER \u0026amp; MATERIALS\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil\u003c\/td\u003e\n\u003ctd\u003e0.8\" (20 mm) ASV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTweeter\u003c\/td\u003e\n\u003ctd\u003eΦ28 mm mylar balanced dome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet\u003c\/td\u003e\n\u003ctd\u003eStrontium Φ70×Φ32×10 mm (4.5 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003eInjection PP, grey, rubber edge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003ePair (2 pieces)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top:10px\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-5-25c-coaxial-speaker\"\u003e\u003csmall\u003eCOAXIAL 5.25\"\u003c\/small\u003e\u003cstrong\u003eSP 5.25C\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-5cx-coaxial-speaker\"\u003e\u003csmall\u003eCOAXIAL 6.5\" \/ 16.5 CM\u003c\/small\u003e\u003cstrong\u003eSP 6.5CX\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-9cx-coaxial-speaker\"\u003e\u003csmall\u003eCOAXIAL 6×9\"\u003c\/small\u003e\u003cstrong\u003eSP 6X9CX\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMeasure the hole and the depth first.\u003c\/b\u003e A coaxial is deeper than a plain woofer, because the tweeter sits above the cone. Check the 5.25\" cut-out and the free space behind the panel before you order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e Two speakers in parallel on one channel give 2 ohm: most head units and small amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWith a powerful amplifier, use a high-pass filter.\u003c\/b\u003e Cut below 120 Hz and leave the bass to a subwoofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRespect the polarity.\u003c\/b\u003e Wiring both speakers in phase changes more than any setting on the head unit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 5.25CX handle?\u003c\/b\u003e100 W RMS continuous and 200 W peak, per speaker. The price on this page is for a pair.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a separate tweeter?\u003c\/b\u003eNo. It is a coaxial: the 28 mm mylar tweeter is built into the speaker. You connect two wires and it plays full range.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal, 94 dB sensitivity. A head unit will drive it, but an amplifier able to deliver about 100 W RMS at 4 ohm per channel is what it is rated for.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat is the frequency response?\u003c\/b\u003e120 Hz - 22 kHz.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one speaker or for a pair?\u003c\/b\u003eFor a pair: two speakers, left and right.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us the car and what you want to build — we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does the SP 5.25CX handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"100 W RMS continuous and 200 W peak, per speaker. The price on this page is for a pair.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need a separate tweeter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. It is a coaxial: the 28 mm mylar tweeter is built into the speaker. You connect two wires and it plays full range.\"}}, {\"@type\": \"Question\", \"name\": \"What amplifier does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"4 ohm nominal, 94 dB sensitivity. A head unit will drive it, but an amplifier able to deliver about 100 W RMS at 4 ohm per channel is what it is rated for.\"}}, {\"@type\": \"Question\", \"name\": \"What is the frequency response?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"120 Hz - 22 kHz.\"}}, {\"@type\": \"Question\", \"name\": \"Is the price for one speaker or for a pair?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For a pair: two speakers, left and right.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867179749588,"sku":"45002","price":49.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_6647e63c-3da9-4d63-b86a-6494d9f6ee4c.webp?v=1772993362"},{"product_id":"sp-6-5kit-componet-set","title":"SP 6.5 KIT 2-Way Component Speaker Kit 6.5\" 180W RMS","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-product-style.css\"\u003e\n\u003cdiv class=\"sp4\"\u003e\n\u003cstyle\u003e.sp4{background:#0B0B0B;color:#E8E8E8;border-radius:14px;overflow:hidden;font-size:16px;line-height:1.6}.sp4 img{display:block;width:100%;height:auto}.sp4 .band{background:#E8560F}.sp4 .pill{display:inline-block;background:#E8560F;color:#fff;font-size:9.5px;font-weight:800;letter-spacing:1.5px;padding:6px 10px;text-transform:uppercase;white-space:nowrap}.sp4 h2.big,.sp4 .sec h3,.sp4 .card b,.sp4 .faq b,.sp4 .pair strong{color:#fff}.sp4 .in,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .top,.sp4 .rea{padding-left:22px;padding-right:22px}.sp4 .rea{display:flex;flex-wrap:wrap;gap:8px;padding-top:6px;padding-bottom:4px}.sp4 .rea span{flex:1 1 150px;background:#161616;border:1px solid #262626;border-left:3px solid #E8560F;padding:9px 11px;font-size:10.5px;font-weight:800;letter-spacing:1.2px;color:#d6d6d6;text-transform:uppercase}.sp4 .top{display:flex;align-items:center;justify-content:space-between;gap:14px}.sp4 .top img{width:186px;height:105px;flex:0 0 auto}.sp4 .trust{display:flex;flex-wrap:wrap;gap:8px;padding:8px 22px 0}.sp4 .trust span{flex:1 1 165px;background:#111;border:1px solid #232323;padding:8px 10px;font-size:10px;font-weight:800;letter-spacing:1.1px;color:#9d9d9d;text-transform:uppercase}.sp4 .trust b{color:#E8560F;font-weight:800}.sp4 .paym{padding:14px 22px 2px;font-size:9.5px;font-weight:800;letter-spacing:1.7px;line-height:1.8;color:#7a7a7a;text-transform:uppercase;text-align:center}.sp4 .pnl{padding:4px 22px 0}.sp4 .pnl figure{margin:0 0 14px;background:#131313;border:1px solid #232323;border-radius:9px;padding:12px}.sp4 .pnl figcaption{font-size:10.5px;letter-spacing:1.4px;color:#9d9d9d;text-transform:uppercase;padding:10px 2px 0;text-align:center;line-height:1.7}.sp4 .pnl figcaption b{color:#fff;display:block;font-size:12px;letter-spacing:2px;margin-bottom:4px}@media screen and (min-width:1000px){.product{row-gap:0!important}.product-info{display:contents!important}.product-gallery{grid-column:1!important;grid-row:1\/span 99!important}.product-info__block-item{grid-column:2!important}.product-info__block-item[data-block-type=description]{grid-column:1\/-1!important;grid-row:100!important;margin-top:44px!important}.sp4{font-size:17px}.sp4 .in,.sp4 .top,.sp4 .tags,.sp4 .bar,.sp4 .cards,.sp4 .pair,.sp4 .foot,.sp4 .rea,.sp4 .sec,.sp4 .band,.sp4 .paym,.sp4 .fine,.sp4 .pnl,.sp4 .trust{padding-left:40px;padding-right:40px}.sp4 .frame,.sp4 .quote,.sp4 .dl,.sp4 .cw,.sp4 .tw,.sp4 .warn,.sp4 .faq,.sp4 .sup{margin-left:40px;margin-right:40px}.sp4 h2.big{font-size:66px}.sp4 .sub{max-width:66ch;font-size:17px}.sp4 .band b{font-size:46px}.sp4 .card{flex:1 1 300px}.sp4 .cards{gap:14px}.sp4 .pnl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}.sp4 .tw,.sp4 .warn,.sp4 .sup{max-width:1040px;margin-left:auto;margin-right:auto}.sp4 .dl{max-width:780px;margin-left:auto;margin-right:auto}.sp4 .quote{max-width:1150px}.sp4 .faq{columns:2;column-gap:40px}.sp4 .faq div{break-inside:avoid}.sp4 .sec{margin-top:48px}}\u003c\/style\u003e\n\u003cdiv class=\"top\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/sp-audio-logo-mark.png?v=1788926315\u0026amp;width=380\" alt=\"SP Audio - Super Power Audio\" width=\"186\" height=\"105\" decoding=\"async\" fetchpriority=\"low\"\u003e\u003cspan class=\"rg\"\u003e\u003cb\u003eSUPER POWER AUDIO\u003c\/b\u003e\u003cbr\u003eDESIGNED IN ITALY\u003cbr\u003eMMXXVI\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"in\"\u003e\n\u003cspan class=\"pill\"\u003e2-way kit · silk dome tweeter · crossover 3 kHz · 6.5 inch\u003c\/span\u003e\u003ch2 class=\"big d\"\u003e180 watt RMS.\u003cbr\u003e\u003cem\u003eSix pieces, one front stage.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eTwo 6.5\"\/165 mm midranges with a black paper cone, two 28 mm silk dome tweeters on a neodymium magnet, two crossovers cut at 3 kHz, 12 dB\/oct. 180 W RMS for the kit, 4 ohm. The tweeter goes up on the pillar and the singer moves to the windscreen — something a coaxial cannot do.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"frame\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-6-5-kit-06ed2e31.jpg?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-6-5-kit-06ed2e31.jpg?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-6-5-kit-06ed2e31.jpg?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/poster-sp-6-5-kit-06ed2e31.jpg?width=900 900w\" sizes=\"(min-width:1000px) 900px, 100vw\" alt=\"SP 6.5 KIT poster\" width=\"760\" height=\"950\" loading=\"eager\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"tri\"\u003e\n\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\u003ci\u003e\u003c\/i\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"band\"\u003e\n\u003cdiv\u003e\n\u003cb\u003e180\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · KIT · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e360\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e95\u003ci\u003edB\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eSPL 1W\/1M · TWEETER\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e🔒\u003c\/b\u003e Secure checkout · SSL \u0026amp; PCI DSS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e↩\u003c\/b\u003e 14 days to change your mind (EU)\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Invoice from an Italian company\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 2026 factory manual\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e ITALIAN DESIGN\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e KIT PRICE\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e CROSSOVERS INCLUDED\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e FREE SUPPORT\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 4 Ω\u003c\/span\u003e\u003cdiv class=\"trk\"\u003e\u003cdiv class=\"fil\" style=\"width:50%\"\u003e180 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eMAX · PEAK\u003c\/span\u003e\u003cdiv class=\"trk\"\u003e\u003cdiv class=\"fil mx\" style=\"width:100%\"\u003e360 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eFIGURES FOR THE COMPLETE KIT · 100 W RMS PER MIDRANGE, 80 W RMS PER TWEETER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 4 Ω, MINIMUM 3.2 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\u003ch3\u003eWhy a component kit\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe tweeter goes where your ears are\u003c\/b\u003e\u003cp\u003eIn a component system the tweeter is a separate piece. Mount it high — pillar, mirror triangle, top of the door — and the whole stage lifts to the windscreen. A coaxial keeps the highs down by your knees and can never do this.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eA silk dome, not a metal one\u003c\/b\u003e\u003cp\u003e28 mm silk dome on a neodymium magnet: 95 dB, up to 20 kHz, with the softer top end that silk gives. It is the tweeter you can listen to for three hours without the cymbals becoming tiring.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe crossovers are in the box\u003c\/b\u003e\u003cp\u003eTwo passive crossovers cut at 3 kHz with a 12 dB\/oct slope, one per side. They keep the low frequencies away from the tweeter and the top end away from the midrange. Nothing to buy, nothing to calculate.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe midranges go in the standard 6.5\" hole\u003c\/b\u003e\u003cp\u003e165 mm nominal, 4 ohm, black paper cone: they replace the factory door speakers in most cars.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e“Continuous RMS only. No peak, no burst, no marketing watts.”\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\u003c\/span\u003e\u003cspan\u003eDispatched from Italy in 24–48 working hours\u003c\/span\u003e\u003cspan\u003eWarranty on manufacturing defects\u003c\/span\u003e\u003cspan\u003eFree technical support from Italy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eFACTORY MANUAL \u0026amp; SPECIFICATION SHEET\u003c\/div\u003e\n\u003cp\u003eFull specifications, crossover data and mounting information, straight from the 2026 factory sheet.\u003c\/p\u003e\n\u003ca class=\"b\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-6.5-KIT-Manual-EN-2026.pdf?v=1790778572\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#E8560F;color:#ffffff;padding:18px 36px;border-radius:6px;font-weight:900;font-size:16px;letter-spacing:1px;text-decoration:none;text-transform:uppercase;box-shadow:0 8px 24px rgba(232,86,15,.35)\"\u003e⇩  Open the manual (PDF)\u003c\/a\u003e\u003cp class=\"n\"\u003eEnglish · 2026 edition · opens in a new tab\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eSix pieces. The whole front stage, both sides.\u003c\/b\u003e\u003cp\u003eThis page is the price of the complete kit, not of a single driver: everything for the left and the right side of the car, from the same production batch.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 2 × 6.5\"\/165 mm midrange driver · 2 × 28 mm silk dome tweeter · 2 × passive crossover, 3 kHz \/ 12 dB per octave · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e grilles, speaker cable, adapter rings and tweeter mounting cups — installation materials, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e04\u003c\/u\u003e\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePOWER \u0026amp; LOAD\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit power handling (RMS)\u003c\/td\u003e\n\u003ctd\u003e180 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eKit power handling (MAX)\u003c\/td\u003e\n\u003ctd\u003e360 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMidrange power (RMS)\u003c\/td\u003e\n\u003ctd\u003e100 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTweeter power (RMS)\u003c\/td\u003e\n\u003ctd\u003e80 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated impedance\u003c\/td\u003e\n\u003ctd\u003e4 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum impedance\u003c\/td\u003e\n\u003ctd\u003e3.2 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eACOUSTIC\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem type\u003c\/td\u003e\n\u003ctd\u003e2 way component set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal diameter\u003c\/td\u003e\n\u003ctd\u003e165 mm (6.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity midrange\u003c\/td\u003e\n\u003ctd\u003e86 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensitivity tweeter\u003c\/td\u003e\n\u003ctd\u003e95 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range midrange\u003c\/td\u003e\n\u003ctd\u003e100 Hz - 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range tweeter\u003c\/td\u003e\n\u003ctd\u003e65 Hz - 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover\u003c\/td\u003e\n\u003ctd\u003e3 kHz, 12 dB\/oct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003ctd\u003e6.5\" black paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTweeter\u003c\/td\u003e\n\u003ctd\u003eø 28 mm silk dome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTweeter magnet\u003c\/td\u003e\n\u003ctd\u003eNeodymium, 85×32×12 mm (10.31 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter (midrange)\u003c\/td\u003e\n\u003ctd\u003e25.5 mm \/ 1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter (tweeter)\u003c\/td\u003e\n\u003ctd\u003e29 mm \/ 1.2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eSP Audio orange \u0026amp; black, reinforced basket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eComplete kit (2 midranges + 2 tweeters + 2 crossovers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"foot\" style=\"padding-top:10px\"\u003eMANUFACTURER’S LABORATORY DATA · PEAK OR “BURST” FIGURES USED IN SOME MARKETS ARE NOT RMS AND ARE NOT LISTED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/ja\/products\/sp-6-5c-kit-componet-set\"\u003e\u003csmall\u003e2-WAY KIT, BULLET TWEETER\u003c\/small\u003e\u003cstrong\u003eSP 6.5C KIT — 180 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-6-9c-coaxial-speaker-4way\"\u003e\u003csmall\u003eREAR SHELF 6×9\"\u003c\/small\u003e\u003cstrong\u003eSP 6X9C — 150 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003e4 CHANNEL AMPLIFIER\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ja\/products\/kit-cable-8-awg\"\u003e\u003csmall\u003eWIRING KIT\u003c\/small\u003e\u003cstrong\u003eSP KIT CABLE 8 AWG\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThe tweeter never goes straight on the amplifier.\u003c\/b\u003e It must be wired through its crossover. Sending it full range is the fastest way to burn it, and it is not a warranty case.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePut the crossover where you can reach it.\u003c\/b\u003e Behind the door panel or under the seat, but reachable: you will want to change the tweeter level once the car is together. Keep it dry and away from the window mechanism.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-pass the midrange.\u003c\/b\u003e Cut below 100 Hz and leave the bass to a subwoofer: this is a midrange, not a woofer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e One crossover per channel. Two on the same channel give 2 ohm and most amplifiers will heat up or go into protection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e07\u003c\/u\u003e\u003ch3\u003eQuestions installers ask\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much power does the SP 6.5 KIT handle?\u003c\/b\u003e180 W RMS and 360 W peak for the complete kit: 100 W RMS on each midrange and 80 W RMS on each tweeter.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eExactly what do I receive?\u003c\/b\u003eSix pieces: 2 midranges of 6.5\"\/165 mm, 2 silk dome tweeters of 28 mm and 2 passive crossovers. The price on this page is for the whole kit.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhere do the crossovers cut?\u003c\/b\u003eAt 3 kHz with a 12 dB per octave slope. They are already built that way, there is nothing to set.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat amplifier does it need?\u003c\/b\u003e4 ohm nominal, 3.2 ohm minimum. A two-channel amplifier delivering around 180 W RMS at 4 ohm per channel drives the pair through the crossovers.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eSilk dome or metal dome?\u003c\/b\u003eSilk, 28 mm, on a neodymium magnet. Softer at the top than a metal dome, which is what most people want for long drives.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support from Italy.\u003c\/b\u003e Write or call and a person answers, with the real data of the product sheets. Tell us what you want to build — power, crossover points, door or kick panel — and we will help you match it.\u003cbr\u003e\u003ca href=\"mailto:spaudio@spaudio.it\"\u003espaudio@spaudio.it\u003c\/a\u003e · +39 340 807 8778\u003c\/div\u003e\n\u003cp class=\"paym\"\u003eAccepted payment methods\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP Audio — Super Power Audio. Designed in Italy by Audiocar Import \u0026amp; Export SRLS, Milano, official SP Audio distributor for Europe.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much power does the SP 6.5 KIT handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"180 W RMS and 360 W peak for the complete kit: 100 W RMS on each midrange and 80 W RMS on each tweeter.\"}},{\"@type\":\"Question\",\"name\":\"What is included in the SP 6.5 KIT?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Six pieces: 2 midranges of 6.5 inch \/ 165 mm, 2 silk dome tweeters of 28 mm and 2 passive crossovers.\"}},{\"@type\":\"Question\",\"name\":\"Where do the SP 6.5 KIT crossovers cut?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"At 3 kHz with a 12 dB per octave slope. The crossovers are supplied already built that way.\"}},{\"@type\":\"Question\",\"name\":\"What amplifier does the SP 6.5 KIT need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"4 ohm nominal, 3.2 ohm minimum. A two channel amplifier delivering about 180 W RMS at 4 ohm per channel drives the pair through the crossovers.\"}},{\"@type\":\"Question\",\"name\":\"What kind of tweeter does the SP 6.5 KIT use?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A 28 mm silk dome tweeter on a neodymium magnet, rated 95 dB and running to 20 kHz.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867184632020,"sku":"45000","price":99.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_ae98f197-6f11-4d2e-b41b-04cadf39afd1.webp?v=1772989413"},{"product_id":"kit-cable-0-awg","title":"SP 0 AWG CCA Amplifier Wiring Kit","description":"\u003cp\u003e\u003cstrong\u003eSP Audio 0 AWG CCA wiring kit.\u003c\/strong\u003e The complete pack for wiring an amplifier with 0 AWG cable, in one order instead of buying each piece separately.\u003c\/p\u003e\n\u003cp\u003e• 5M 0GA POWER WIRE ORANGE\u003c\/p\u003e\n\u003cp\u003e• 1M 0GA GROUND WIRE BLACK\u003c\/p\u003e\n\u003cp\u003e• 5M 12GA SPEAKER WIRE ORANGE-BLACK\u003c\/p\u003e\n\u003cp\u003e• 5M REMOTE WIRE BLUE\u003c\/p\u003e\n\u003cp\u003e• 5M TWISTED RCA WIRE\u003c\/p\u003e\n\u003cp\u003e• MINI ANL FUSE HOLDER WITH 250A FUSE\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 0GA NICKEL RINE TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 0GA NICKEL SPADE TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 12GA NICKEL FORK TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 1 PC BLACK GROMMET\u003c\/p\u003e\n\u003cp\u003e• 6 PCS CABLE TIES\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGauge: 0 AWG\u003c\/li\u003e\n\u003cli\u003eConductor: CCA (copper clad aluminium)\u003c\/li\u003e\n\u003cli\u003ePrice for the pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1IvUsDzW2fMrBlTqknSQbCPv68KIuTUiU\/view?usp=drive_link\"\u003eUSER MANUAL\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePart number 7500A. Write to us for the full content list of the kit.\u003c\/p\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867235717332,"sku":"7500A","price":99.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_34f77312-af00-4a11-81c7-7f7fc007dd89.webp?v=1773828684"},{"product_id":"kit-cable-4-awg","title":"SP 4 AWG CCA Amplifier Wiring Kit","description":"\u003cp\u003e\u003cstrong\u003eSP Audio 4 AWG CCA wiring kit.\u003c\/strong\u003e The complete pack for wiring an amplifier with 4 AWG cable, in one order instead of buying each piece separately.\u003c\/p\u003e\n\u003cp\u003e• 5M 4GA POWER WIRE ORANGE\u003c\/p\u003e\n\u003cp\u003e• 1M 4GA GROUND WIRE BLACK\u003c\/p\u003e\n\u003cp\u003e• 5M 16GA SPEAKER WIRE ORANGE-BLACK\u003c\/p\u003e\n\u003cp\u003e• 5M REMOTE WIRE BLUE\u003c\/p\u003e\n\u003cp\u003e• 5M TWISTED RCA WIRE\u003c\/p\u003e\n\u003cp\u003e• MINI ANL FUSE HOLDER WITH 80A FUSE\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 4GA NICKEL RINE TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 4GA NICKEL SPADE TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 16GA NICKEL FORK TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 1 PC BLACK GROMMET\u003c\/p\u003e\n\u003cp\u003e• 6 PCS CABLE TIES\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGauge: 4 AWG\u003c\/li\u003e\n\u003cli\u003eConductor: CCA (copper clad aluminium)\u003c\/li\u003e\n\u003cli\u003ePrice for the pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1GnchCyOsuTZaOHJISUt1p3x5UfkaE5Xn\/view?usp=drive_link\"\u003eUSER MANUAL\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePart number 75010. Write to us for the full content list of the kit.\u003c\/p\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867236077780,"sku":"75010","price":45.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_33386c88-7bab-48a3-b91c-701b0ed258d8.webp?v=1773829474"},{"product_id":"kit-cable-8-awg","title":"SP 8 AWG CCA Amplifier Wiring Kit","description":"\u003cp\u003e\u003cstrong\u003eSP Audio 8 AWG CCA wiring kit.\u003c\/strong\u003e The complete pack for wiring an amplifier with 8 AWG cable, in one order instead of buying each piece separately.\u003c\/p\u003e\n\u003cp\u003e• 5M 8GA POWER WIRE ORANGE\u003c\/p\u003e\n\u003cp\u003e• 1M 8GA GROUND WIRE BLACK\u003c\/p\u003e\n\u003cp\u003e• 5M 16GA SPEAKER WIRE ORANGE-BLACK\u003c\/p\u003e\n\u003cp\u003e• 5M REMOTE WIRE BLUE\u003c\/p\u003e\n\u003cp\u003e• 5M TWISTED RCA WIRE\u003c\/p\u003e\n\u003cp\u003e• MINI ANL FUSE HOLDER WITH 60A FUSE\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 8GA NICKEL RINE TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 8GA NICKEL SPADE TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 2 PCS 16GA NICKEL FORK TERMINALS\u003c\/p\u003e\n\u003cp\u003e• 1 PC BLACK GROMMET\u003c\/p\u003e\n\u003cp\u003e• 6 PCS CABLE TIES\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGauge: 8 AWG\u003c\/li\u003e\n\u003cli\u003eConductor: CCA (copper clad aluminium)\u003c\/li\u003e\n\u003cli\u003ePrice for the pack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1YSsFlcSRxSEyn5LvgH5jSgyZeWLHep-a\/view?usp=drive_link\"\u003eUSER MANUAL\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePart number 75011. Write to us for the full content list of the kit.\u003c\/p\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867236733140,"sku":"75011","price":32.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_93771c24-dd60-4831-94b4-7bced058c0cb.webp?v=1773830072"},{"product_id":"sp-db-01","title":"SP DB 01 Distribution Block 1x0GA In \/ 3x4GA Out","description":"\u003cp\u003e\u003cstrong\u003eSP DB 01 distribution block\u003c\/strong\u003e: one 0 GA input, three 4 GA outputs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn: 1 x 0 GA\u003c\/li\u003e\n\u003cli\u003eOut: 3 x 4 GA\u003c\/li\u003e\n\u003cli\u003eUnit price\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1jDDTVeoQHEAbZpYtwoBaZFr24JMA4Trx\/view?usp=drive_link\"\u003eUSER MANUAL\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePart number 75026.\u003c\/p\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867239682260,"sku":"75026","price":7.89,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_4a9ee436-e766-45e3-99fb-2e69fc464020.webp?v=1773846765"},{"product_id":"sp-db-02","title":"SP DB 02 Distribution Block 1x2GA In \/ 2x4GA Out","description":"\u003cp\u003e\u003cstrong\u003eSP DB 02 distribution block\u003c\/strong\u003e: one 0 GA input, two 0 GA outputs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn: 1 x 0 GA\u003c\/li\u003e\n\u003cli\u003eOut: 2 x 0 GA\u003c\/li\u003e\n\u003cli\u003eUnit price\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/12dMuO0lqLuXvpNOI6L_u5sB1HIKKILSW\/view?usp=drive_link\"\u003eUSER MANUAL\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePart number 75023.\u003c\/p\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867240665300,"sku":"75023","price":6.31,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_ed57c435-166b-4f41-b5ec-95bf6438ee23.webp?v=1789372216"},{"product_id":"spmanl-01","title":"SPMANL-01 MANL Fuse Holder","description":"\u003cp\u003e\u003cspan style=\"vertical-align: inherit;\"\u003e\u003cspan style=\"vertical-align: inherit;\"\u003eSPMANL-01 FUSE HOLDER\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1Pd_q3RmYTLuPitfGQbMfFPNIpRzH_uHs\/view?usp=drive_link\"\u003e\u003cspan style=\"vertical-align: inherit;\"\u003e\u003cspan style=\"vertical-align: inherit;\"\u003eUSER MANUAL\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867242402004,"sku":"75024","price":8.5,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_b8d895c5-543b-4433-8c77-487e684b5cf7.webp?v=1773844795"},{"product_id":"spmanl-02","title":"SP MAN 02 Fuse Holder 1x0GA\/2x4GA In + 2x8GA Out","description":"\u003cp\u003e\u003cstrong\u003eSP MAN 02 fuse holder\u003c\/strong\u003e: one 0 GA plus two 4 GA inputs, two 8 GA fused outputs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIn: 1 x 0 GA + 2 x 4 GA\u003c\/li\u003e\n\u003cli\u003eOut: 2 x 8 GA\u003c\/li\u003e\n\u003cli\u003eFuses sold separately\u003c\/li\u003e\n\u003cli\u003eUnit price\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/drive.google.com\/file\/d\/1I3T82S1-Bky2ggoxEv7i70tGB09abhzG\/view?usp=drive_link\"\u003eUSER MANUAL\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePart number 75020.\u003c\/p\u003e","brand":"SP Audio","offers":[{"title":"Default Title","offer_id":42867242893524,"sku":"75020","price":8.5,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_90e81eef-0221-424a-89c9-7beee64b8c35.webp?v=1773844452"}],"url":"https:\/\/spaudio.it\/ja\/collections\/all.oembed?page=3","provider":"spaudio","version":"1.0","type":"link"}