{"product_id":"copy-of-sp-9000-1d-2-ohm","title":"SP-18000.1D - @1 ohm","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\"\u003eMonoblock · Class D · 18000 W RMS @ 1 Ω\u003c\/span\u003e\n\u003ch2 class=\"big d\"\u003e18000 watt RMS.\u003cbr\u003e\u003cem\u003eOne channel.\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cp class=\"sub\"\u003eA single-channel amplifier built for the subwoofer stage: 18000 W RMS at 1 ohm, 9500 W RMS at 2 ohm, 5000 W RMS at 4 ohm, with high-pass, low-pass and bass boost already on board and a smart cooling system that runs the fan on temperature.\u003c\/p\u003e\n\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\u003e18000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 1 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e9500\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 2 Ω\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003e5000\u003ci\u003eW\u003c\/i\u003e\u003c\/b\u003e\u003cspan\u003eRMS · 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 STABLE AT 1 Ω\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e HPF + LPF + BASS BOOST\u003c\/span\u003e\u003cspan\u003e\u003cb\u003e✓\u003c\/b\u003e SMART COOLING\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\u003e1 CH · 4 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 28%;\"\u003e5000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003e1 CH · 2 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil\" style=\"width: 53%;\"\u003e9500 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"bar\"\u003e\n\u003cspan\u003e1 CH · 1 Ω\u003c\/span\u003e\n\u003cdiv class=\"trk\"\u003e\n\u003cdiv class=\"fil mx\" style=\"width: 100%;\"\u003e18000 W\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"foot\"\u003eRMS AT 14.4 V · CONTINUOUS POWER, NOT BURST · ONE CHANNEL, FROM 4 Ω DOWN TO 1 Ω\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\u003eBuilt to drive 1 ohm\u003c\/b\u003e\n\u003cp\u003e18000 W RMS at 1 ohm measured at 14.4 V, 9500 W RMS at 2 ohm and 5000 W RMS at 4 ohm. The power does not collapse when the load drops: it is where you build it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eThe subwoofer band, already filtered\u003c\/b\u003e\n\u003cp\u003eHigh-pass 15 – 80 Hz, low-pass 80 Hz – 10 kHz and bass boost 0 – 12 dB at 50 Hz, all adjustable on the amplifier. No external processor needed to shape the low end.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eSmart cooling that thinks\u003c\/b\u003e\n\u003cp\u003eThe fan is driven by temperature or by the audio signal, so the amplifier stays quiet when it is cool and moves air only when the music asks for it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"card\"\u003e\n\u003cb\u003eProtected on every side\u003c\/b\u003e\n\u003cp\u003eOutput short circuit, high supply voltage, low supply voltage and thermal protection. Input sensitivity 200 mV and a 56 kΩ input impedance take any head unit or DSP output.\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=\"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 and bass boost 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-18000.1D-Manual-EN-2026.pdf?v=1790452596\" target=\"_blank\" title=\"SP-18000.1D\" 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\u003cp class=\"n\"\u003eEnglish · 2026\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sec\"\u003e\n\u003cu\u003e03\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-18000.1D amplifier, ready to install.\u003c\/b\u003e\n\u003cp class=\"sm\"\u003e\u003cb\u003eIn the box:\u003c\/b\u003e SP-18000.1D monoblock 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\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\"\u003eMAXIMUM OUTPUT POWER @ 14.4 V — RMS\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 channel @ 1 ohm\u003c\/td\u003e\n\u003ctd\u003e18000 W x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 channel @ 2 ohm\u003c\/td\u003e\n\u003ctd\u003e9500 W x 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1 channel @ 4 ohm\u003c\/td\u003e\n\u003ctd\u003e5000 W x 1\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\u003eMinimum supply voltage\u003c\/td\u003e\n\u003ctd\u003e9 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum supply voltage\u003c\/td\u003e\n\u003ctd\u003e16 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOutput short circuit, high supply voltage, low supply voltage, thermal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal management\u003c\/td\u003e\n\u003ctd\u003eSmart cooling system, fan driven by temperature or audio\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\u003eInput sensitivity\u003c\/td\u003e\n\u003ctd\u003e200 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput impedance\u003c\/td\u003e\n\u003ctd\u003e56 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency response\u003c\/td\u003e\n\u003ctd\u003e10 Hz – 20 kHz (3 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eS\/N ratio\u003c\/td\u003e\n\u003ctd\u003e100 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-pass filter (HPF)\u003c\/td\u003e\n\u003ctd\u003e15 Hz – 80 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-pass filter (LPF)\u003c\/td\u003e\n\u003ctd\u003e80 Hz – 10 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass boost\u003c\/td\u003e\n\u003ctd\u003e0 – 12 dB (50 Hz)\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\u003e651 x 219 x 74 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\u003e05\u003c\/u\u003e\n\u003ch3\u003eComplete the system\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"pair\"\u003e\n\u003ca href=\"\/en\/products\/sp-1500-1-mini-amplifier\"\u003e\u003csmall\u003eCOMPACT MONOBLOCK\u003c\/small\u003e\u003cstrong\u003eSP-1500.1 MINI — 1500 W RMS\u003c\/strong\u003e\u003c\/a\u003e\u003ca href=\"\/en\/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=\"\/en\/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=\"\/en\/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\u003e06\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\u003eThe electrical system comes first.\u003c\/b\u003e An amplifier of this size asks a lot of the vehicle: generous power and ground cable, an inline fuse on the power cable as close as possible to the battery, sized to the cable section you use, and a battery in good health.\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 and shutdown problems start here.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLeave it room to breathe.\u003c\/b\u003e The aluminium body and the fan are 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\u003e07\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-18000.1D really give?\u003c\/b\u003e18000 W RMS at 1 ohm, 9500 W RMS at 2 ohm and 5000 W RMS at 4 ohm, measured at 14.4 V. Continuous RMS.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eIs it stable at 1 ohm?\u003c\/b\u003eYes. One ohm is the load it is built for, and it is where it delivers its full 18000 W RMS.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat supply voltage does it need?\u003c\/b\u003eFrom 9 V to 16 V, negative ground. Put an inline fuse on the power cable as close as possible to the battery, sized to the cable section you use.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cb\u003eWhat crossovers does it have on board?\u003c\/b\u003eA high-pass from 15 to 80 Hz, a low-pass from 80 Hz to 10 kHz and a bass boost of 0 – 12 dB at 50 Hz, all 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-18000.1D give?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"18000 W RMS at 1 ohm, 9500 W RMS at 2 ohm and 5000 W RMS at 4 ohm, measured at 14.4 V. Continuous RMS.\"}}, {\"@type\": \"Question\", \"name\": \"Is the SP-18000.1D stable at 1 ohm?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. One ohm is the load the amplifier is built for, and it is where it delivers its full 18000 W RMS.\"}}, {\"@type\": \"Question\", \"name\": \"What supply voltage does the SP-18000.1D need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"From 9 V to 16 V, negative ground, with an inline fuse on the power cable as close as possible to the battery, sized to the cable section used.\"}}, {\"@type\": \"Question\", \"name\": \"What crossovers does the SP-18000.1D have?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A high-pass filter from 15 to 80 Hz, a low-pass filter from 80 Hz to 10 kHz and a bass boost of 0 to 12 dB at 50 Hz, all adjustable on the amplifier.\"}}, {\"@type\": \"Question\", \"name\": \"Is the SP-18000.1D 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":47858385060183,"sku":"40013","price":50361.0,"currency_code":"MXN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/6829\/5636\/files\/2_79b2da97-213b-4fbe-8633-3239bb4b5022.webp?v=1771938014","url":"https:\/\/spaudio.com.mx\/en\/products\/copy-of-sp-9000-1d-2-ohm","provider":"spaudio","version":"1.0","type":"link"}