{"product_id":"sp-driver-54-150w-rms-unit-price","title":"SP-DRIVER 54 \/ 150W RMS (UNIT PRICE)","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\"\u003ecompression driver · horn included · 109 dB · single unit\u003c\/span\u003e\u003ch2 class=\"big d\"\u003e150 watt RMS.\u003cbr\u003e\u003cem\u003eHorn already on it.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA compression driver sold complete with its ABS+PC horn: 109 dB sensitivity, a 51.6 mm voice coil on a titanium diaphragm, a 25.4 mm (1\") throat and 150 W RMS at 8 ohm nominal. Usable range 600 Hz – 20 kHz. The price on this page is for one piece.\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\/1_97c04138-ba01-4164-9aeb-bf4485da27eb.webp?v=1772993902\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_97c04138-ba01-4164-9aeb-bf4485da27eb.webp?v=1772993902\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_97c04138-ba01-4164-9aeb-bf4485da27eb.webp?v=1772993902\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_97c04138-ba01-4164-9aeb-bf4485da27eb.webp?v=1772993902\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt='SP-DRIVER 54 compression driver with ABS+PC horn: 25.4 mm (1\") throat, 51.6 mm voice coil, 150 W RMS' 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\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 · 8 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\u003e109\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 8 OHM\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e HORN INCLUDED\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\u003ch3\u003ePower, measured not promised\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS · 8 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 DRIVER · RMS IS CONTINUOUS POWER, NOT BURST · NOMINAL 8 Ω\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\u003ch3\u003eWhy this driver\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e109 dB: efficiency does the work\u003c\/b\u003e\u003cp\u003eA compression driver turns a few watts into a lot of pressure. At 109 dB SPL 1W\/1M it stays on top of the midranges and the subwoofer without asking much of the amplifier.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eTitanium diaphragm on a 51.6 mm voice coil\u003c\/b\u003e\u003cp\u003eThe moving part is a titanium diaphragm driven by a 51.6 mm coil, wound in two layers of CCAW on a Kapton former. That is what keeps the top end clean at high level.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe horn is included\u003c\/b\u003e\u003cp\u003eYou are not buying a bare motor: this unit ships with its ABS+PC horn already fitted. Nothing else to buy to make it play.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eFerrite motor, 1.90 T in the gap\u003c\/b\u003e\u003cp\u003eA ferrite ring magnet ⌀135 × ⌀70 × 17 mm, 1.90 T of flux density and a 7 mm magnetic gap. It weighs 2.79 kg — mass is what keeps a driver stable when it gets hot.\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\u003ch3\u003eLook at it closely\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e01 · the diaphragm and the throat\u003c\/b\u003e\u003cp\u003eTitanium diaphragm, 51.6 mm voice coil, 25.4 mm (1\") throat. Everything the driver produces passes through that throat before it enters the horn.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e02 · the magnet and the body\u003c\/b\u003e\u003cp\u003eFerrite ring ⌀135 × ⌀70 × 17 mm, 1.90 T in a 7 mm gap, T-yoke 8 mm. Overall 180 mm, 160 mm deep, 2.79 kg.\u003c\/p\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\"\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 class=\"b\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-DRIVER-54-Manual-EN-2026.pdf?v=1790436380\" 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\u003e04\u003c\/u\u003e\u003ch3\u003eWhat you receive\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\u003cdiv\u003e\n\u003cb\u003eOne driver, horn included.\u003c\/b\u003e\u003cp\u003eThe price on this page is for one piece, not a pair. The driver arrives with its ABS+PC horn already mounted, ready to bolt to the baffle. Packed in the SP Audio box; the factory carton holds 2 pieces.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP-DRIVER 54 compression driver with its ABS+PC horn · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossover, capacitors, speaker cable and mounting hardware — installation material, chosen for your car.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\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\u003eNominal impedance\u003c\/td\u003e\n\u003ctd\u003e8 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC resistance (Re)\u003c\/td\u003e\n\u003ctd\u003e6.2 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\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e109 dB SPL 1W\/1M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range (-10 dB max)\u003c\/td\u003e\n\u003ctd\u003e600 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResonance frequency\u003c\/td\u003e\n\u003ctd\u003e600 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThroat diameter\u003c\/td\u003e\n\u003ctd\u003e25.4 mm (1\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorn material\u003c\/td\u003e\n\u003ctd\u003eABS+PC\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\u003eVoice coil diameter\u003c\/td\u003e\n\u003ctd\u003e51.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiaphragm material\u003c\/td\u003e\n\u003ctd\u003eTitanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormer material\u003c\/td\u003e\n\u003ctd\u003eKapton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding material\u003c\/td\u003e\n\u003ctd\u003eCCAW, 2 layers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWinding depth\u003c\/td\u003e\n\u003ctd\u003e2.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet material\u003c\/td\u003e\n\u003ctd\u003eFerrite ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnet size\u003c\/td\u003e\n\u003ctd\u003e⌀135 × ⌀70 × 17 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlux density\u003c\/td\u003e\n\u003ctd\u003e1.90 T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMagnetic gap depth\u003c\/td\u003e\n\u003ctd\u003e7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT-yoke depth\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eDIMENSIONS \u0026amp; PACKAGING\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall diameter\u003c\/td\u003e\n\u003ctd\u003e180 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt circle diameter\u003c\/td\u003e\n\u003ctd\u003e158 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaffle cutout diameter\u003c\/td\u003e\n\u003ctd\u003e132 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange and gasket\u003c\/td\u003e\n\u003ctd\u003e7.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e2.79 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFactory carton (2 pcs)\u003c\/td\u003e\n\u003ctd\u003e38 × 38 × 19 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\/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\u003e06\u003c\/u\u003e\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/fa\/products\/sp-driver-56-200w-rms-unit-price\"\u003e\u003csmall\u003eCOMPRESSION DRIVER · 50 mm THROAT\u003c\/small\u003e\u003cstrong\u003eSP-DRIVER 56 — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/fa\/products\/sp-driver-49-100w-rms-unit-price\"\u003e\u003csmall\u003eCOMPRESSION DRIVER · 25.4 mm THROAT\u003c\/small\u003e\u003cstrong\u003eSP-DRIVER 49 — 100 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/fa\/products\/sp-driver-39-80w-rms-unit-price\"\u003e\u003csmall\u003eCOMPRESSION DRIVER · 34.4 mm THROAT\u003c\/small\u003e\u003cstrong\u003eSP-DRIVER 39 — 80 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\u003ch3\u003eBefore you install it\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIt always needs a crossover. Never full range.\u003c\/b\u003e A compression driver must never see the whole signal: run full range, the titanium diaphragm is gone in seconds. A high-pass filter, always.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not cross it below 600 Hz.\u003c\/b\u003e 600 Hz is the resonance frequency declared by the factory and the bottom of its usable range (600 Hz – 20 kHz). Going lower is the quickest way to break it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e8 ohm nominal, 6.2 ohm DC.\u003c\/b\u003e Check what your amplifier does on 8 ohm before wiring several drivers in parallel on one channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAim it, and start with the gain low.\u003c\/b\u003e A horn is directional: point it at the listener, then bring the level up slowly. Clipping kills drivers far more often than power does.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e08\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-DRIVER 54 handle?\u003c\/b\u003e150 W RMS continuous and 300 W peak, at 8 ohm nominal. The price on this page is for one piece.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the horn included?\u003c\/b\u003eYes. It ships with its ABS+PC horn already fitted — nothing else to buy.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes, always. High-pass only, and never below 600 Hz. Full range destroys the diaphragm.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow much room does it need?\u003c\/b\u003e132 mm baffle cutout, 158 mm bolt circle, 180 mm overall and 160 mm of depth.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne or two?\u003c\/b\u003eOne. The price on this page is per piece: order two for a stereo pair.\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 SP-DRIVER 54 compression driver handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"150 W RMS continuous and 300 W peak, at 8 ohm nominal. The price on the product page is for one piece.\"}},{\"@type\":\"Question\",\"name\":\"Is the horn included with the SP-DRIVER 54?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The driver ships with its ABS+PC horn already fitted.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP-DRIVER 54 need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, always a high-pass crossover, and never below 600 Hz. Running a compression driver full range destroys the diaphragm.\"}},{\"@type\":\"Question\",\"name\":\"How much space does the SP-DRIVER 54 need?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"132 mm baffle cutout, 158 mm bolt circle, 180 mm overall diameter and 160 mm of depth.\"}},{\"@type\":\"Question\",\"name\":\"Is the SP-DRIVER 54 sold singly or in pairs?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"It is sold singly: the price on the product page is for one piece.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":50806098919767,"sku":"57","price":73.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_97c04138-ba01-4164-9aeb-bf4485da27eb.webp?v=1772993902","url":"https:\/\/spaudio.it\/fa\/products\/sp-driver-54-150w-rms-unit-price","provider":"spaudio","version":"1.0","type":"link"}