{"product_id":"ds18-fx-1-monoblock-amplifier","title":"DS18 FX-1 Flush Mount \/ Surface Mount 1 Channel Monoblock Class D Amplifier With Acrylic Cover for Custom Installation 1 X 900W RMS @1 Ohm","description":"\u003cdiv\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eAdd a dedicated subwoofer channel to a custom audio system with the DS18 FX-1, a compact Class D monoblock amplifier rated for 900W RMS at 1 ohm. Its acrylic cover, built-in digital light module, and flush- or surface-mount options suit installations where space and appearance both matter.\u003c\/p\u003e \u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThree RMS power ratings:\u003c\/b\u003e Choose from 400W at 4 ohms, 650W at 2 ohms, or 900W at 1 ohm to match your subwoofer’s impedance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlexible mounting:\u003c\/b\u003e Use the included adapter for flush or surface mounting in a custom installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRemote level control:\u003c\/b\u003e Adjust bass from the driver’s seat and use the clip indicator to help monitor signal clipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdjustable bass settings:\u003c\/b\u003e Set the low-pass and infrasonic filters, bass boost, and phase to tune the subwoofer’s signal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVisible design:\u003c\/b\u003e The acrylic cover and built-in digital light module show off the amplifier’s frame LEDs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand and model\u003c\/td\u003e\n\u003ctd\u003eDS18 FX-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier type\u003c\/td\u003e\n\u003ctd\u003e1-channel digital Class D monoblock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRMS power\u003c\/td\u003e\n\u003ctd\u003e400W @ 4Ω; 650W @ 2Ω; 900W @ 1Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal peak power\u003c\/td\u003e\n\u003ctd\u003e2700W peak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eFlush or surface mount via included adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover\u003c\/td\u003e\n\u003ctd\u003eAcrylic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass knob\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLighting\u003c\/td\u003e\n\u003ctd\u003eBuilt-in digital light module for frame LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLow-pass filter\u003c\/td\u003e\n\u003ctd\u003eFixed LPF, 50–250 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInfrasonic filter\u003c\/td\u003e\n\u003ctd\u003e10–50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBass boost\u003c\/td\u003e\n\u003ctd\u003e0–12 dB at 50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase selector\u003c\/td\u003e\n\u003ctd\u003e0\/180 degrees\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput impedance\u003c\/td\u003e\n\u003ctd\u003e30 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote control and indicator\u003c\/td\u003e\n\u003ctd\u003eRemote level control with clip indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower input\u003c\/td\u003e\n\u003ctd\u003e4 AWG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse\u003c\/td\u003e\n\u003ctd\u003e80A (2x40A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eDirect insert power\/speaker terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage range\u003c\/td\u003e\n\u003ctd\u003e8.8–15.9V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eThermal, over-load, DC output, short-circuit, and clipping protections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis and finish\u003c\/td\u003e\n\u003ctd\u003eBlack aluminum chassis with IP65 coating and anti-corrosion protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater exposure note\u003c\/td\u003e\n\u003ctd\u003eFX Series adapters are not designed to be water-resistant; avoid water contact with the digital LEDs to prevent short circuits.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplications listed\u003c\/td\u003e\n\u003ctd\u003eATV\/RV roofs, boat walls, car audio panels, and racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e \u003ch2\u003eWhy Choose This Product?\u003c\/h2\u003e\n\u003cp\u003eThe FX-1 combines a single subwoofer channel with mounting flexibility and onboard tuning controls. Its Class D design and compact format are suited to custom builds where installation space is limited.\u003c\/p\u003e\n\u003cp\u003eUse the remote level control to adjust output from the driver’s seat, then use the filter, bass boost, and phase settings to shape the subwoofer signal for your system.\u003c\/p\u003e \u003ch2\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h2\u003e\n\u003cp\u003eConfirm that your subwoofer’s impedance matches an available rating: 4Ω, 2Ω, or 1Ω. Plan for the 4 AWG power input, 80A fuse, and direct insert power and speaker terminals.\u003c\/p\u003e\n\u003cp\u003eThe product is described for custom installations on ATV\/RV roofs, boat walls, car audio panels, or racks. Keep water away from the digital LEDs; the FX Series adapters are not designed to be water-resistant.\u003c\/p\u003e \u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eHow much RMS power does the DS18 FX-1 produce?\u003c\/h3\u003e\n\u003cp\u003eIt is rated at 400W RMS at 4Ω, 650W RMS at 2Ω, and 900W RMS at 1Ω.\u003c\/p\u003e\n\u003ch3\u003eWhat does the 2700W peak rating mean?\u003c\/h3\u003e\n\u003cp\u003eThe listed total peak power is 2700W. The RMS ratings are listed separately by impedance.\u003c\/p\u003e\n\u003ch3\u003eCan I flush-mount or surface-mount this amplifier?\u003c\/h3\u003e\n\u003cp\u003eYes. The FX-1 supports both mounting options via its included adapter.\u003c\/p\u003e\n\u003ch3\u003eCan the amplifier be exposed to water?\u003c\/h3\u003e\n\u003cp\u003eThe FX Series adapters are not designed to be water-resistant. Avoid water contact with the digital LEDs to prevent short circuits.\u003c\/p\u003e\n\u003ch3\u003eWhat tuning controls are built in?\u003c\/h3\u003e\n\u003cp\u003eThe FX-1 has a 50–250 Hz fixed low-pass filter, a 10–50 Hz infrasonic filter, 0–12 dB bass boost at 50 Hz, and a 0\/180-degree phase selector.\u003c\/p\u003e \u003ch2\u003eExplore More\u003c\/h2\u003e\n\u003cp\u003eShop the DS18 FX-1 at 12 Volt Outlet. Want to learn more about DS18? Explore our \u003ca href=\"\/pages\/ds18\"\u003eDS18 brand profile\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":49850246103268,"sku":null,"price":549.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/FX1-TOP_700x_983f66f8-a480-4f51-b59f-4a355f8ae82d.jpg?v=1789261809","url":"https:\/\/www.12voltoutlet.com\/products\/ds18-fx-1-monoblock-amplifier","provider":"12 Volt Outlet","version":"1.0","type":"link"}