{"product_id":"sp-80-4d-mini-class-d","title":"مكبر صوت SP-80.4 رباعي القنوات MOSFET بقوة 80 واط RMS x4 (سعر الوحدة)","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\"\u003e4 channels · MOSFET · 80 W RMS x4\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e80 watt RMS.\u003cbr\u003e\u003cem\u003eTimes four.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eFour real channels in one chassis: 80 W RMS each at 4 ohm, 160 W RMS each at 2 ohm, 320 W RMS bridged. Front stage, rear stage and a pair of midranges — from a single amplifier, with the crossovers already on board.\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_dae85c13-6c03-4c90-8997-466d0703f62d.webp?v=1771936605\u0026amp;width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_dae85c13-6c03-4c90-8997-466d0703f62d.webp?v=1771936605\u0026amp;width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_dae85c13-6c03-4c90-8997-466d0703f62d.webp?v=1771936605\u0026amp;width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_dae85c13-6c03-4c90-8997-466d0703f62d.webp?v=1771936605\u0026amp;width=900 900w\" sizes=\"(max-width: 640px) 92vw, 660px\" alt=\"SP-80.4 four-channel MOSFET amplifier: 316 x 228 x 51 mm, power and speaker terminals, HPF and LPF control panel\" 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\u003e80\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS x4 · 4 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e160\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS x4 · 2 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e320\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS x2 · BRIDGED 4 Ω\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 4 REAL CHANNELS\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e HPF + LPF ON BOARD\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e EASY INSTALL\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\u003e4 CH · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 25%;\"\u003e80 W x4\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003e4 CH · 2 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 50%;\"\u003e160 W x4\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eBRIDGED · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e320 W x2\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS · ≤ 0.1% THD · CONTINUOUS POWER, NOT BURST · 4 CHANNELS OR 2 BRIDGED\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy this amplifier\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eFour channels, one chassis\u003c\/b\u003e\n\u003cp\u003e80 W RMS per channel at 4 ohm and 160 W RMS at 2 ohm. One amplifier covers the whole cabin instead of two, and the power run stays single.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eBridged when you need more\u003c\/b\u003e\n\u003cp\u003eTwo channels bridged give 320 W RMS each at 4 ohm: enough for a pair of midranges, with the other pair still free for the front stage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe crossovers are already inside\u003c\/b\u003e\n\u003cp\u003eHigh-pass 50 – 250 Hz and low-pass 120 Hz – 3 kHz, adjustable on the amplifier. No external processor needed to keep the tweeters clean and the midbass loaded.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eIt takes any source\u003c\/b\u003e\n\u003cp\u003eInput sensitivity 200 mV – 8 V and a 9 – 16 V supply range. Factory head units, aftermarket units and DSP outputs all drive it without clipping the input.\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\u003eThe amplifier, up close\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pnl\"\u003e\n\u003cfigure style=\"margin: 0 0 16px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_472f1462-0ac8-4e8b-aa84-66c21fc3ee80.webp?v=1771936605\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_472f1462-0ac8-4e8b-aa84-66c21fc3ee80.webp?v=1771936605\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_472f1462-0ac8-4e8b-aa84-66c21fc3ee80.webp?v=1771936605\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP-80.4 control panel: HPF and LPF crossover selectors, gain and RCA inputs\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/figure\u003e\n\u003cfigure style=\"margin: 0 0 16px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/3_2c4a05f7-2ec2-4775-9892-592e309f83c8.webp?v=1771936605\u0026amp;width=620\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/3_2c4a05f7-2ec2-4775-9892-592e309f83c8.webp?v=1771936605\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/3_2c4a05f7-2ec2-4775-9892-592e309f83c8.webp?v=1771936605\u0026amp;width=620 620w\" sizes=\"(max-width: 640px) 92vw, 460px\" alt=\"SP-80.4 terminal side: +12 V, ground and remote power terminals and the four speaker outputs\" width=\"620\" height=\"620\" loading=\"lazy\" decoding=\"async\"\u003e\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 (PDF)\u003c\/div\u003e\n\u003cp\u003eWiring, loads and impedance, crossover settings, gain calibration and full specifications.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-80.4AB-Manual-EN-2026.pdf?v=1790452545\" 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⇩  Download the manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\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 SP-80.4 amplifier, ready to install.\u003c\/b\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e SP-80.4 four-channel amplifier · user manual (PDF above) · mounting screws.\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e power and speaker cable, inline fuse holder and RCA cables — installation materials, chosen for your vehicle. Price is for one single unit.\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\/4_a687d4c1-2673-47ef-afdd-a645e4090c0c.webp?v=1771936605\u0026amp;width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_a687d4c1-2673-47ef-afdd-a645e4090c0c.webp?v=1771936605\u0026amp;width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/4_a687d4c1-2673-47ef-afdd-a645e4090c0c.webp?v=1771936605\u0026amp;width=560 560w\" sizes=\"(max-width: 640px) 92vw, 340px\" alt=\"SP-80.4 amplifier seen from above, heat-dissipating aluminium body\" 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 OUTPUT PER CHANNEL — RMS, ≤ 0.1% THD\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 channels @ 4 ohm\u003c\/td\u003e\n\u003ctd\u003e80 W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4 channels @ 2 ohm\u003c\/td\u003e\n\u003ctd\u003e160 W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBridged @ 4 ohm\u003c\/td\u003e\n\u003ctd\u003e320 W x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER SUPPLY \u0026amp; PROTECTIONS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003e9 V – 16 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended fuse\u003c\/td\u003e\n\u003ctd\u003e25 A x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eShort circuit, over current, thermal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eFILTERS AND INPUTS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eMOSFET, 4 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e20 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\/N ratio\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput sensitivity\u003c\/td\u003e\n\u003ctd\u003e200 mV – 8 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-pass filter (HPF)\u003c\/td\u003e\n\u003ctd\u003e50 Hz – 250 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-pass filter (LPF)\u003c\/td\u003e\n\u003ctd\u003e120 Hz – 3 kHz\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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e316 x 228 x 51 mm\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=\"\/ar\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eMONOBLOCK FOR THE SUB\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ar\/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=\"\/ar\/products\/sp-10cm-plus-200-watt-rms\"\u003e\u003csmall\u003eMIDRANGE 10\" \/ 25 CM\u003c\/small\u003e\u003cstrong\u003eSP 10CM — 200 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/ar\/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\u003ePower cable and fuse first.\u003c\/b\u003e The amplifier takes two 25 A fuses; fit an inline fuse on the power cable as close as possible to the battery, sized to the cable section you use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClean chassis ground.\u003c\/b\u003e Ground on bare metal, paint and primer removed, with the shortest possible cable. Most noise problems on a 4-channel install start here.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLeave it room to breathe.\u003c\/b\u003e The aluminium body is the cooling system: never cover the amplifier with carpet, luggage or foam, and never mount it face down in a sealed cavity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSet the gain by ear, not to maximum.\u003c\/b\u003e Gain is an input matching control, not a volume knob: raise it until the sound is clean and loud, and back off at the first sign of distortion.\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-80.4 really give?\u003c\/b\u003e80 W RMS per channel at 4 ohm, 160 W RMS per channel at 2 ohm, or 320 W RMS per channel bridged at 4 ohm. Continuous RMS, ≤ 0.1% THD.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eCan I run a full front and rear stage with it?\u003c\/b\u003eYes. Four channels drive front and rear speakers, or you bridge it into two channels of 320 W RMS for a pair of midranges.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat fuse and what supply does it need?\u003c\/b\u003eTwo 25 A fuses and a 9 – 16 V supply, negative ground. Put an inline fuse on the power cable as close as possible to the battery.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat crossovers does it have on board?\u003c\/b\u003eA high-pass from 50 to 250 Hz and a low-pass from 120 Hz to 3 kHz, both adjustable on the amplifier.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs the price for one unit?\u003c\/b\u003eYes, the price is for one single amplifier.\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, 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-80.4 give?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"80 W RMS per channel at 4 ohm, 160 W RMS per channel at 2 ohm, or 320 W RMS per channel bridged at 4 ohm. Continuous RMS at 0.1% THD or less.\"}}, {\"@type\": \"Question\", \"name\": \"Can the SP-80.4 run a full front and rear stage?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Four channels drive front and rear speakers, or the amplifier is bridged into two channels of 320 W RMS for a pair of midranges.\"}}, {\"@type\": \"Question\", \"name\": \"What fuse does the SP-80.4 need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Two 25 A fuses, with an inline fuse on the power cable as close as possible to the battery. Supply voltage 9 to 16 V, negative ground.\"}}, {\"@type\": \"Question\", \"name\": \"What crossovers does the SP-80.4 have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A high-pass filter from 50 to 250 Hz and a low-pass filter from 120 Hz to 3 kHz, both adjustable on the amplifier.\"}}, {\"@type\": \"Question\", \"name\": \"Is the SP-80.4 price for one unit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the price is for one single amplifier.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":43181871562964,"sku":"40100","price":222.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_dae85c13-6c03-4c90-8997-466d0703f62d.webp?v=1771936605","url":"https:\/\/spaudio.it\/ar\/products\/sp-80-4d-mini-class-d","provider":"spaudio","version":"1.0","type":"link"}