{"product_id":"sptw-49-150-watt-rms-unit-price","title":"SPTW-49 \/ 150 WATT RMS (UNIT PRICE)","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\"\u003e4-inch aluminium tweeter · 105 dB · single unit\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e150 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 4-inch aluminium tweeter built for pressure: 105 dB sensitivity, a 37 mm KCCAW voice coil, 150 W RMS and 300 W peak on a nominal 4 ohm load. 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\/4_cbc15042-94d1-401c-a056-a358cba38a18.webp?v=1783326494\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_cbc15042-94d1-401c-a056-a358cba38a18.webp?v=1783326494\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_cbc15042-94d1-401c-a056-a358cba38a18.webp?v=1783326494\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_cbc15042-94d1-401c-a056-a358cba38a18.webp?v=1783326494\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SPTW-49 4-inch aluminium tweeter: 150 W RMS, 105 dB SPL, 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\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\u003e105\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 KCCAW VOICE COIL\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\u003e150 W RMS, and 300 W only as a peak\u003c\/b\u003e\n\u003cp\u003eThe number that matters is the continuous one: 150 W RMS on a nominal 4 ohm load. The 300 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\u003e105 dB, on very few watts\u003c\/b\u003e\n\u003cp\u003eSensitivity is what you actually hear. At 105 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 37 mm KCCAW 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=\"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-49.webp?v=1783326495\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPTW-49.webp?v=1783326495\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPTW-49.webp?v=1783326495\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SPTW-49 aluminium tweeter seen from the front\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e01 · the aluminium front\u003c\/b\u003eA 4-inch aluminium front. It aims the high frequencies at the listener and reads 105 dB SPL 1W\/1M.\u003c\/figcaption\u003e\n\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_c0682d5b-2a8a-4e3c-b4ea-dfdd4e861693.webp?v=1783326495\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_c0682d5b-2a8a-4e3c-b4ea-dfdd4e861693.webp?v=1783326495\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_c0682d5b-2a8a-4e3c-b4ea-dfdd4e861693.webp?v=1783326495\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SPTW-49 seen from the back: the body and the motor\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\n\u003cfigcaption\u003e\u003cb\u003e02 · the body and the motor\u003c\/b\u003eThe motor and the 37 mm KCCAW behind it: 150 W RMS, 300 W peak, 4 ohm nominal.\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:\/\/drive.google.com\/file\/d\/1N6sEYjEMkSC-x5-N9U0qQ9I7DO4EED1L\/view?usp=drive_link\" 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, 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 × SPTW-49 4-inch aluminium 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\/3_5513b978-77ac-4c90-9c9c-bea41ee21dac.webp?v=1783326496\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/3_5513b978-77ac-4c90-9c9c-bea41ee21dac.webp?v=1783326496\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/3_5513b978-77ac-4c90-9c9c-bea41ee21dac.webp?v=1783326496\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SPTW-49 4-inch aluminium tweeter, three-quarter view\" 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\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\u003e105 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\"\u003eMOTOR \u0026amp; MATERIALS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e37 mm\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\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\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\u003e06\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/fa\/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=\"\/fa\/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=\"\/fa\/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=\"\/fa\/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\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 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\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 SPTW-49 handle?\u003c\/b\u003e150 W RMS continuous and 300 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\u003e37 mm KCCAW 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 · +39 340 807 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 SPTW-49 handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"150 W RMS continuous and 300 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\":\"37 mm KCCAW 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":"spaudio","offers":[{"title":"Default Title","offer_id":53948143993175,"sku":"94","price":51.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPTW-49.webp?v=1783326495","url":"https:\/\/spaudio.it\/fa\/products\/sptw-49-150-watt-rms-unit-price","provider":"spaudio","version":"1.0","type":"link"}