{"product_id":"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","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\u003cp\u003eThe DS18 FX-1 is a 1-channel digital Class D monoblock amplifier with an acrylic cover, designed for compact, high-power subwoofer duty and flexible flush or surface mounting via the included adapter. Built for bass enthusiasts, it combines strong output with space-efficient installation and visual LED feedback through a Built-In Digital Light Module.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e1-Channel Monoblock Amplifier\u003c\/b\u003e: Dedicated, high-current output for a single subwoofer to deliver tight, impactful bass in a small footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDigital Class D\u003c\/b\u003e: Efficient switching design that preserves power while reducing heat, useful in tight spaces and multi-amp installs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRMS Power @ 4Ω \/ 2Ω \/ 1Ω\u003c\/b\u003e: 400W @ 4Ω, 650W @ 2Ω, 900W @ 1Ω; power scales with impedance to match your subwoofer and maximize headroom.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTotal Peak Power\u003c\/b\u003e: 2700W peak for strong transient bass bursts without overstressing the amp during demanding passages.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlush or Surface Mounting (Adapter)\u003c\/b\u003e: Installation flexibility to suit limited dash, door, or panel spaces and achieve a clean, integrated look.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAcrylic Cover\u003c\/b\u003e: Protective, stylish cover that helps guard the amplifier in exposed installations while maintaining visibility into the build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBass Knob Included\u003c\/b\u003e: Handful control to fine-tune bass output from the driver seat to match preference or room response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLED Lighting Module\u003c\/b\u003e: Built-in digital light module drives the frame LEDs for visual feedback and aesthetic impact during tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow Pass Filter\u003c\/b\u003e: Fixed LPF with a 50–250 Hz range to ensure the sub receives only the intended low-frequency content.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInfrasonic Filter\u003c\/b\u003e: 10–50 Hz filter helps protect the woofer from ultra-low content and excessive excursion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBass Boost\u003c\/b\u003e: 0–12 dB at 50 Hz to add controlled low-end punch when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePhase Selector\u003c\/b\u003e: 0\/180-degree phase options to align the sub with the rest of the system for coherent bass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInput Impedance\u003c\/b\u003e: 30 kΩ input impedance to minimize signal loss and compatibility with a wide range of source devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRemote Level Control \u0026amp; Clip Indicator\u003c\/b\u003e: Remote control for on-the-fly level adjustments with a visual clip indicator to prevent distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower \u0026amp; Terminals\u003c\/b\u003e: 4 AWG power input, 80A fuse (2x40A), and direct insert power\/speaker terminals for clean, secure wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperating Range \u0026amp; Protections\u003c\/b\u003e: 8.8–15.9V input range with thermal, over-load, DC output, short-circuit, and clipping protections for reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFinish \u0026amp; Durability\u003c\/b\u003e: Black aluminum chassis with IP65 coating and anti-corrosion protection for harsh environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWater Exposure Note\u003c\/b\u003e: The FX Series adapters are not designed to be water-resistant; avoid water contact with the digital LEDs to prevent short circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplications\u003c\/b\u003e: Ideal for installations on ATV\/RV roofs, boat walls, car audio panels, or racks where space and mounting versatility matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn a real car build, the FX-1 excels as a high-output, space-conscious sub amp with flexible mounting, robust protection, and tuning features that let you dial in bass precisely to your vehicle and listening preferences. Its 1 Ω RMS capability and efficient Class D design provide strong, controlled bass without excessive heat, while the flush\/surface mounting option and included bass knob simplify installation and daily usability across diverse environments.\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-flush-mount-surface-mount-1-channel-monoblock-class-d-amplifier-with-acrylic-cover-for-custom-installation-1-x-900w-rms-1-ohm","provider":"12 Volt Outlet","version":"1.0","type":"link"}