{"product_id":"sp-dsp-60-4-amplifier-4ch","title":"SP-DSP 60×4 AMPLIFIER 4CH","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 .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\"\u003e4-CHANNEL DSP AMPLIFIER · 6 RCA PRE-OUT\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003eSP-DSP 60×4 — the amplifier that is already the processor\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eFour channels of real amplification, \u003cb\u003e4 × 60 W RMS\u003c\/b\u003e, with a full DSP engine in the same chassis: 15-band parametric EQ on every channel, six independent crossovers, time alignment and phase per channel, and \u003cb\u003e6 RCA pre-outs\u003c\/b\u003e to grow the system as far as you want. Inputs for everything: 4-channel high-level from the factory head unit, AUX, optical, USB audio and Bluetooth 5.0. Tuned from a Windows PC or from the Android app, and six complete tunings stay saved in the 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_168c172b-0aaa-46f1-b89f-c4cda73bff4b.png?width=760\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_168c172b-0aaa-46f1-b89f-c4cda73bff4b.png?width=440 440w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_168c172b-0aaa-46f1-b89f-c4cda73bff4b.png?width=620 620w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_168c172b-0aaa-46f1-b89f-c4cda73bff4b.png?width=900 900w\" sizes=\"(max-width: 700px) 100vw, 700px\" alt=\"SP-DSP 60x4 DSP amplifier held at the SP Audio stand\" width=\"1248\" height=\"832\" 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\u003e60\u003ci\u003eW×4\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS OUTPUT POWER\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e15\u003ci\u003eBAND\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003ePARAMETRIC EQ \/ CHANNEL\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e6\u003ci\u003eRCA\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003ePRE-OUT · CH1–CH6\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"trust\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Dispatched in \u003cb\u003e48 working hours\u003c\/b\u003e\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Official SP AUDIO distributor for Europe\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Technical support from a real person\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Data taken from the factory manual, Rev. 1.0\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4 × 60 W RMS on board\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 15-band parametric EQ per channel\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 6 RCA pre-outs, CH1–CH6\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 4-channel high-level speaker output\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Crossover 12 \/ 24 \/ 36 \/ 48 dB\/oct\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Butterworth · Bessel · Linkwitz-Riley\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Time alignment 0–6 ms\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Phase 0° – 180° per channel\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Bluetooth 5.0 built in\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Optical S\/PDIF input\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e USB audio, driver-free\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e AUX RCA line input\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e 6 scene presets on board\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e Windows software + Android app\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e01\u003c\/u\u003e\n\u003ch3\u003eWhat the numbers actually say\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eRMS output power on board\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e4 × 60 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eSignal-to-noise ratio\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 100%;\"\u003e102 dB\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eDynamic range\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 93%;\"\u003e95 dB\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eParametric EQ per channel\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 100%;\"\u003e15 bands\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003eCrossover slope\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 100%;\"\u003eup to 48 dB\/octave\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eThese are the manufacturer’s declared figures for the SP-DSP 60×4 (manual Rev. 1.0, September 2026). Read them the right way round: this is a \u003cb\u003eprocessor with four amplified channels\u003c\/b\u003e, not a big power amplifier. The four on-board channels drive a front stage or a set of door speakers directly at 4 × 60 W RMS; the \u003cb\u003e6 RCA pre-outs\u003c\/b\u003e are what let you add real amplifiers for the rest of the system, each one already equalised, crossed over and time-aligned. Total harmonic distortion 0.03%, frequency response 20 Hz – 20 kHz.\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e02\u003c\/u\u003e\n\u003ch3\u003eWhy a DSP amplifier changes the install\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cards\"\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eTwo boxes become one\u003c\/b\u003e\n\u003cp\u003eA conventional build is an amplifier, an outboard processor and a loom between them. The SP-DSP 60×4 puts both in the same chassis: one power run, the factory harness on the high-level input, and six RCA runs out to whatever you add later.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003e15 bands, each with its own Q\u003c\/b\u003e\n\u003cp\u003eNot a tone control: a 15-band parametric equalizer per channel, 20 Hz – 20 kHz, Q from 0.3 to 50 and gain from −15.0 to +15.0 dB. That is what lets you pull down one cabin resonance instead of dulling a whole octave.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eTime alignment, per channel\u003c\/b\u003e\n\u003cp\u003eIn a car the driver sits closer to one door than the other, so sound arrives out of step and the stereo image collapses towards the near side. Enter the delay for each channel — 0 to 6 ms, shown also as 0 to 204 cm — and the stage comes back to the middle.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eSix crossovers, three filter families\u003c\/b\u003e\n\u003cp\u003eEvery one of the six output channels has its own independent high-pass and low-pass filter: Butterworth, Bessel or Linkwitz-Riley, with slopes of 12, 24, 36 or 48 dB per octave anywhere between 20 Hz and 20 kHz.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eIt takes the signal from anything\u003c\/b\u003e\n\u003cp\u003e4-channel high-level straight off the factory head unit, AUX on RCA, an optical S\/PDIF feed, USB audio with no driver to install, or Bluetooth 5.0 streaming. Pick the best source your car offers and select it from the MODE button or the app.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eTune it on a laptop, adjust it from the phone\u003c\/b\u003e\n\u003cp\u003eThe Windows software gives you every parameter on one screen with the USB cable supplied; the Android app does the same over Bluetooth from the driver’s seat. Save the result as one of six scenes and nothing needs to stay connected.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"quote\"\u003e«Four amplified channels and six pre-outs: the processor is already in the amplifier.»\u003c\/div\u003e\n\u003cdiv class=\"rea\"\u003e\n\u003cspan\u003eFuse the permanent +12 V at the battery\u003c\/span\u003e\u003cspan\u003eKeep RCA runs away from power cables\u003c\/span\u003e\u003cspan\u003eBare-metal chassis ground, as short as possible\u003c\/span\u003e\u003cspan\u003eLeave the USB port reachable for re-tuning\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"dl\"\u003e\n\u003cdiv class=\"k\"\u003eTHE COMPLETE MANUAL, 15 PAGES\u003c\/div\u003e\n\u003cp\u003eSafety, box contents, both panels port by port, the power wiring and the two turn-on modes, the full DSP chapter, the Windows software and the Android app step by step, the troubleshooting table and the factory specification sheet.\u003c\/p\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/SPAUDIO-SP-DSP-60x4-Manual-EN-2026.pdf?v=1791980608\" 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 SP-DSP 60x4 manual (PDF)\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003cp class=\"n\"\u003ePDF · 0.3 MB · English · Rev. 1.0, September 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\u003c\/u\u003e\n\u003ch3\u003eWhat is in the box\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cw\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eThe unit and the tuning cable\u003c\/b\u003e\n\u003cp\u003eThis is a compact box: the amplifier and the USB cable you need to tune it from a PC. Everything else depends on the car and is chosen by the installer, so we do not put it in the carton and charge you for it.\u003c\/p\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIncluded:\u003c\/b\u003e SP-DSP 60×4 unit · USB tuning cable · user manual\u003cbr\u003e\u003cb\u003eNot included:\u003c\/b\u003e the power and ground cable with its inline fuse, the RCA cables to your amplifiers, the vehicle-specific high-level harness and the optional wired controller — installation materials that depend on the car. The Windows software and the Android app are free downloads.\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_af2b1aad-a8ae-4c66-b15e-370edfadf85c.png?width=560\" srcset=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_af2b1aad-a8ae-4c66-b15e-370edfadf85c.png?width=380 380w, https:\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/download_af2b1aad-a8ae-4c66-b15e-370edfadf85c.png?width=560 560w\" sizes=\"(max-width: 700px) 92vw, 340px\" alt=\"SP-DSP 60x4 four-channel DSP amplifier shown in front of a car audio display\" width=\"1344\" height=\"768\" loading=\"lazy\" decoding=\"async\"\u003e\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\"\u003eTHE PRODUCT\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eSPAUDIO SP-DSP 60×4 — multi-channel professional DSP amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eDSP Series · designed for SPAUDIO, made in Asia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical system\u003c\/td\u003e\n\u003ctd\u003e12 V negative-ground vehicle systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003ePOWER OUTPUT — DECLARED BY THE MANUFACTURER\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS output power\u003c\/td\u003e\n\u003ctd\u003e4 × 60 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-level output\u003c\/td\u003e\n\u003ctd\u003e4 channels, FL \/ FR \/ RL \/ RR, speaker level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePre-outs\u003c\/td\u003e\n\u003ctd\u003e6 RCA outputs, CH1–CH6, low level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eREM output\u003c\/td\u003e\n\u003ctd\u003e12 V, 200 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eAUDIO\u003c\/th\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\u003eSignal-to-noise ratio\u003c\/td\u003e\n\u003ctd\u003e102 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003e95 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal harmonic distortion\u003c\/td\u003e\n\u003ctd\u003e0.03%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eDSP\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParametric EQ\u003c\/td\u003e\n\u003ctd\u003e15 bands per channel, 20 Hz – 20 kHz, Q 0.3 – 50, gain −15.0 dB – +15.0 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover\u003c\/td\u003e\n\u003ctd\u003e6 independent channels · Butterworth, Bessel or Linkwitz-Riley · 12 \/ 24 \/ 36 \/ 48 dB\/oct · 20 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTime alignment\u003c\/td\u003e\n\u003ctd\u003e0.000 – 6 ms (0 – 204 cm \/ 0 – 80.3 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase\u003c\/td\u003e\n\u003ctd\u003e0° – 180° per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePreset scenes\u003c\/td\u003e\n\u003ctd\u003e6, saved on the unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eSOURCES \u0026amp; CONNECTIVITY\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-level input\u003c\/td\u003e\n\u003ctd\u003e4 channels — FL+\/FL−, FR+\/FR−, RL+\/RL−, RR+\/RR−\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAUX input\u003c\/td\u003e\n\u003ctd\u003e2 channels, RCA line level, L \/ R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical input\u003c\/td\u003e\n\u003ctd\u003e2 channels, S\/PDIF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB audio\u003c\/td\u003e\n\u003ctd\u003eDigital playback from a USB source, driver-free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003e5.0, built in — music streaming and app tuning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurn-on modes\u003c\/td\u003e\n\u003ctd\u003eACC (ignition +12 V) or high-level \/ DC sensing on FL+\/FL−\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\"\u003eCONTROL\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWindows software\u003c\/td\u003e\n\u003ctd\u003eIncluded, driver-free, connects over the supplied USB cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAndroid app\u003c\/td\u003e\n\u003ctd\u003eIncluded, connects over Bluetooth — pair only from inside the app\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController port\u003c\/td\u003e\n\u003ctd\u003eHost\/ACC RJ port for the optional controller or a digital source player\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;\"\u003eEvery figure on this page comes from the SP-DSP 60×4 professional user manual, Rev. 1.0, September 2026. The factory documentation for this model does \u003cb\u003enot\u003c\/b\u003e declare the chassis dimensions or the net weight, so we do not publish them: if your install needs the exact footprint, write to us and we will measure a unit rather than estimate it here. Specifications may change without notice.\u003c\/p\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e05\u003c\/u\u003e\n\u003ch3\u003eBuild the rest of the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/id\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eFEED THE SUBWOOFER FROM A PRE-OUT\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/id\/products\/sp-300-4-mini-amplifier\"\u003e\u003csmall\u003eFOUR MORE CHANNELS FOR THE SPEAKERS\u003c\/small\u003e\u003cstrong\u003eSP-300.4 MINI\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/id\/products\/sp-6-5kit-componet-set\"\u003e\u003csmall\u003eFULL FRONT STAGE — 2-WAY COMPONENT KIT\u003c\/small\u003e\u003cstrong\u003eSP 6.5 KIT\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/id\/products\/sp-dsp-10-channel-d10\"\u003e\u003csmall\u003eTEN CHANNELS, PROCESSOR ONLY\u003c\/small\u003e\u003cstrong\u003eSP-DSP 10CH\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e06\u003c\/u\u003e\n\u003ch3\u003eRead this before you install\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"warn\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDisconnect the battery first.\u003c\/b\u003e Remove the negative terminal before routing any cable, and reconnect it last.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFuse the permanent +12 V line\u003c\/b\u003e with an inline fuse close to the battery, sized to the cable gauge. In a chafed cable or a crash, that fuse is what stops a fire.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower it from the battery\u003c\/b\u003e, never from an unprotected tap behind the dashboard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBare-metal chassis ground\u003c\/b\u003e, as short as possible. A bad ground causes noise, resets and erratic Bluetooth behaviour — it is the first thing to check, not the last.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKeep RCA runs away from power cables.\u003c\/b\u003e Six pre-outs mean six chances to pick up alternator whine: route signal and power on opposite sides of the car.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCheck the turn-on mode.\u003c\/b\u003e In high-level \/ DC mode make sure the factory head unit switches fully off when the car is locked, or the unit stays powered.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eKeep it dry and let it breathe.\u003c\/b\u003e Never install or operate it in a wet or humid place, and never cover the cooling fins. The chassis gets hot in normal use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNever open the case.\u003c\/b\u003e There are no user-serviceable parts inside and opening it voids the warranty.\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 we actually get asked\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq\"\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs this an amplifier or a processor?\u003c\/b\u003eBoth, and that is the point. It amplifies four channels at 4 × 60 W RMS and it processes six channels, sending them out on 6 RCA pre-outs at line level for your external amplifiers.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eCan I run speakers straight off it?\u003c\/b\u003eYes. The high-level output block drives four speakers directly, FL \/ FR \/ RL \/ RR, at 4 × 60 W RMS. For a subwoofer or a bigger front stage, feed a separate amplifier from the pre-outs.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWill it work with my factory head unit?\u003c\/b\u003eYes, that is the normal install: the factory speaker outputs go to the 4-channel high-level input, and the unit can even switch itself on from that signal in high-level \/ DC mode, with no ACC wire.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eDo I need a laptop to use it?\u003c\/b\u003eOnly for the full setup, and only once: the Windows software with the supplied USB cable gives you every parameter on one screen. Day to day the Android app over Bluetooth is enough, and the six saved scenes work with nothing connected.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhy will the tuning Bluetooth not connect?\u003c\/b\u003eBecause it must be paired \u003cb\u003efrom inside the app\u003c\/b\u003e, not from the phone’s own Bluetooth settings. If you already paired it from the phone settings, remove it there and connect again from the app.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow deep is it? How much does it weigh?\u003c\/b\u003eThe factory documentation for this model does not declare either figure, so we do not print one. If the exact footprint decides where it fits, ask us and we will measure a unit.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eHow fast do you ship?\u003c\/b\u003eOrders are prepared and handed to the courier within 24 to 48 working hours of payment being confirmed. You get the tracking number as soon as the parcel leaves.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sup\"\u003e\n\u003cb\u003eFree technical support, from a person who knows the product.\u003c\/b\u003e Tell us your car, your speakers and what you want to add later and we will help you plan the channels and the tuning — before you buy, not after.\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\"\u003eSECURE PAYMENT\u003cbr\u003eVisa · Mastercard · Maestro · American Express · PayPal · Apple Pay · Google Pay · Shop Pay · Klarna\u003c\/p\u003e\n\u003cp class=\"fine\"\u003eSP AUDIO · Audiocar Import \u0026amp; Export SRLS — Official SP AUDIO Distributor for Europe · Piazza IV Novembre 4, 20124 Milano (MI), Italy · VAT IT13085510967. All technical data on this page is the manufacturer’s declared data from the SP-DSP 60×4 professional user manual Rev. 1.0 (September 2026) and may change without notice.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is the SP-DSP 60x4 an amplifier or a DSP?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Both. It amplifies four channels at 4 x 60 W RMS and processes six channels, with 6 RCA pre-outs at line level for external amplifiers.\"}},{\"@type\":\"Question\",\"name\":\"Can speakers be connected directly to the SP-DSP 60x4?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The high-level output block drives four speakers directly, FL \/ FR \/ RL \/ RR, at 4 x 60 W RMS. For a subwoofer, feed a separate amplifier from the pre-outs.\"}},{\"@type\":\"Question\",\"name\":\"Does the SP-DSP 60x4 work with a factory head unit?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The factory speaker outputs connect to the 4-channel high-level input, and the unit can switch on from that signal in high-level \/ DC mode without an ACC wire.\"}},{\"@type\":\"Question\",\"name\":\"How is the SP-DSP 60x4 tuned?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"With the free Windows software over the supplied USB cable, or with the Android app over Bluetooth. Six complete tunings can be saved on the unit.\"}},{\"@type\":\"Question\",\"name\":\"Why does the tuning Bluetooth not connect?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The tuning Bluetooth must be paired from inside the app, not from the phone Bluetooth settings.\"}},{\"@type\":\"Question\",\"name\":\"What are the dimensions and weight of the SP-DSP 60x4?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The factory documentation for this model does not declare the chassis dimensions or the net weight, so SP Audio does not publish them.\"}}]}\u003c\/script\u003e\n\u003c\/div\u003e","brand":"spaudio","offers":[{"title":"Default Title","offer_id":50806528704855,"sku":"40615","price":150.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/1_435f24fa-e67b-492d-a2f8-87e0cbffe54e.webp?v=1771937559","url":"https:\/\/spaudio.it\/id\/products\/sp-dsp-60-4-amplifier-4ch","provider":"spaudio","version":"1.0","type":"link"}