{"product_id":"sp-driver-45-250w-rms","title":"SP DRIVER 45 COMPLETE DRIVER WITH HORN 200W 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 · 103 dB · single unit\u003c\/span\u003e\u003ch2 class=\"big d\"\u003e200 watt RMS.\u003cbr\u003e\u003cem\u003eDriver and horn, one piece.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA complete compression driver with its horn: 200 W RMS, 103 dB sensitivity and a 44.4 mm \/ 1.75\" voice coil on a 25 mm (1\") throat. Usable range 500 Hz – 17 kHz. 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\/download_bc369904-523a-480d-901c-f02ed69b9c36.png?v=1790339519\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_bc369904-523a-480d-901c-f02ed69b9c36.png?v=1790339519\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_bc369904-523a-480d-901c-f02ed69b9c36.png?v=1790339519\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_bc369904-523a-480d-901c-f02ed69b9c36.png?v=1790339519\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP DRIVER 45 complete compression driver with horn next to its box\" 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\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\u003e103\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\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data from the 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 1\" THROAT\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\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%\"\u003e200 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%\"\u003e400 W\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003ePER DRIVER · 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 driver\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eComplete: driver plus horn\u003c\/b\u003e\u003cp\u003eIt arrives with its horn already on. Nothing else to source: wire the crossover, mount it, aim it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e44.4 mm \/ 1.75\" voice coil, CCAW wire\u003c\/b\u003e\u003cp\u003eThe coil measures 44.4 mm \/ 1.75\" and is wound in CCAW (aluminium). That is the part that turns 200 W RMS into pressure and then has to survive it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e500 Hz – 17 kHz\u003c\/b\u003e\u003cp\u003eA wide rated band: low enough to cross from the midrange early, high enough to keep the top end open.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e103 dB, 15 oz magnet\u003c\/b\u003e\u003cp\u003e103 dB sensitivity on a 15 oz magnet assembly, with a 25 mm (1\") throat feeding the horn.\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=\"pnl\"\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_b587b8c4-4dab-4458-bd6e-ab319aefdb6b.webp?v=1772994460\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_b587b8c4-4dab-4458-bd6e-ab319aefdb6b.webp?v=1772994460\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_b587b8c4-4dab-4458-bd6e-ab319aefdb6b.webp?v=1772994460\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP DRIVER 45 seen from the front: the horn mouth\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\u003cfigcaption\u003e\u003cb\u003e01 · the horn\u003c\/b\u003eThe square horn mounted on the driver. Overall 115 mm (4.5\") across.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003cfigure\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_7c0bef95-bb72-4c68-b895-eb09c386ba95.webp?v=1772994460\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_7c0bef95-bb72-4c68-b895-eb09c386ba95.webp?v=1772994460\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_7c0bef95-bb72-4c68-b895-eb09c386ba95.webp?v=1772994460\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP DRIVER 45 seen from the back: the motor and the label\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\u003cfigcaption\u003e\u003cb\u003e02 · the motor\u003c\/b\u003eBehind the horn: a 15 oz magnet assembly and a 44.4 mm \/ 1.75\" voice coil wound in CCAW. 145 mm (5.7\") deep.\u003c\/figcaption\u003e\u003c\/figure\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFree shipping\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-SP-DRIVER-45-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\n\u003cdiv\u003e\n\u003cb\u003eOne complete driver, horn included.\u003c\/b\u003e\u003cp\u003eThe price on this page is for one piece: the SP DRIVER 45 compression driver with its horn. Packed in the SP Audio box.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e 1 × SP DRIVER 45 compression driver with horn · SP Audio packaging.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e crossovers, capacitors, speaker cable and brackets, 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_b081c44f-01d5-4882-be1b-2f120cf11467.webp?v=1772994460\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/3_b081c44f-01d5-4882-be1b-2f120cf11467.webp?v=1772994460\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/3_b081c44f-01d5-4882-be1b-2f120cf11467.webp?v=1772994460\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP DRIVER 45 complete compression driver with horn, 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\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\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\u003eMinimum 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\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e103 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency range\u003c\/td\u003e\n\u003ctd\u003e500 Hz – 17 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\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\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\u003e15 oz\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\u003e115 mm (4.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDepth\u003c\/td\u003e\n\u003ctd\u003e145 mm (5.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight\u003c\/td\u003e\n\u003ctd\u003e1.55 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight (1 pc)\u003c\/td\u003e\n\u003ctd\u003e1.6 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping box (1 pc)\u003c\/td\u003e\n\u003ctd\u003e12.5 × 12.5 × 15.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSold as\u003c\/td\u003e\n\u003ctd\u003eSingle unit · horn included\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=\"\/en\/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=\"\/en\/products\/sptw-35s-horn\"\u003e\u003csmall\u003eHORN · FOR A SECOND DRIVER\u003c\/small\u003e\u003cstrong\u003eSPTW-35s HORN\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/en\/products\/sp-horn-20-plastic\"\u003e\u003csmall\u003eHORN · PLASTIC\u003c\/small\u003e\u003cstrong\u003eSP-HORN 20\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/en\/products\/sp-horn-50-plastic\"\u003e\u003csmall\u003eHORN · PLASTIC\u003c\/small\u003e\u003cstrong\u003eSP-HORN 50\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 wired straight to the amplifier does not survive. Use a crossover, or at the very least a capacitor in series.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not cross below 500 Hz.\u003c\/b\u003e 500 Hz is the lowest frequency this driver is rated for. Going under it, at any power, is the fastest way to tear the diaphragm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo not go below 4 ohm per channel.\u003c\/b\u003e 4 ohm is the minimum load. Two drivers 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 the horn, then bring the gain up slowly.\u003c\/b\u003e Point it at the listener and raise the level step by step. Clipping kills compression 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 45 handle?\u003c\/b\u003e200 W RMS continuous and 400 W peak. The price on this page is for one piece.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the horn included?\u003c\/b\u003eYes. The driver comes complete with its horn.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a crossover?\u003c\/b\u003eYes, always — a crossover or at minimum a capacitor in series. And never cross below 500 Hz.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow big is the throat?\u003c\/b\u003e25 mm (1\").\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eOne or two?\u003c\/b\u003eOne. The price on this page is for a single piece.\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 45 handle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"200 W RMS continuous and 400 W peak. The price on this page is for one piece.\"}},{\"@type\":\"Question\",\"name\":\"Is the horn included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The driver comes complete with its horn.\"}},{\"@type\":\"Question\",\"name\":\"Do I need a crossover?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, always — a crossover or at minimum a capacitor in series. And never cross below 500 Hz.\"}},{\"@type\":\"Question\",\"name\":\"How big is the throat?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"25 mm (1\\\").\"}},{\"@type\":\"Question\",\"name\":\"One or two?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One. The price on this page is for a single piece.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":42949572460756,"sku":"50","price":2031.0,"currency_code":"THB","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_a5d77369-5e79-4190-9ad1-4a36a75db793.webp?v=1772994181","url":"https:\/\/spaudiothailandia.com\/en\/products\/sp-driver-45-250w-rms","provider":"spaudio","version":"1.0","type":"link"}