{"title":"Amplifiers","description":"","products":[{"product_id":"di550-4","title":"DI550.4 - Full-range Class-D 4-channel Car Audio Amplifier, 1,040 Watts, 2-4 OHM Stable, Mosfet Power Supply, Bridgeable","description":"\u003cp\u003eThe \u003cstrong\u003eDI550.4\u003c\/strong\u003e is a full-range Class-D 4-channel car audio amplifier built to drive a complete aftermarket speaker system from a single unit. Rated at 1,040 watts total, it delivers clean, efficient power across all four channels without the thermal overhead typical of Class-AB designs. Stable from 2 to 4 ohms and fully bridgeable, it adapts to a wide range of speaker configurations and system builds.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal Power Output:\u003c\/strong\u003e 1,040 watts across four channels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass-D Topology:\u003c\/strong\u003e High-efficiency design runs cooler and draws less current than Class-AB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET Power Supply:\u003c\/strong\u003e High-speed switching for stable, consistent output\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2–4 Ohm Stable:\u003c\/strong\u003e Compatible with a broad range of speaker loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridgeable Channels:\u003c\/strong\u003e Configurable for 2-channel or mono operation to suit your system\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-Way Protection Circuitry:\u003c\/strong\u003e Guards against thermal, overload, short-circuit, and DC fault conditions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059520274710,"sku":"DI550.4","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-26-1.jpg?v=1772081739"},{"product_id":"di1200-1-class-d-car-audio-mono-block-subwoofer-amplifier-2400-watts-max-power-2-4-ohm-stable-mosfet-power-supply-remote-bass-knob-included","title":"DI1200.1 - Class-D Car Audio Mono-block Subwoofer Amplifier, 2400 Watts Max Power, 2\/4 OHM Stable, Mosfet Power Supply, Remote Bass Knob Included","description":"\u003cp\u003eThe \u003cstrong\u003eDI1200.1\u003c\/strong\u003e is a Class-D mono-block subwoofer amplifier built for serious bass output without sacrificing reliability. Rated at 2,400 watts max power and stable at both 2 and 4 ohms, it's engineered to drive demanding subwoofer loads with efficiency and control. A high-speed MOSFET power supply and precision PCB layout keep the power delivery clean under sustained use.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2,400 Watts Max Power\u003c\/strong\u003e — High-output Class-D mono-block design optimized for subwoofer applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\/4 Ohm Stable\u003c\/strong\u003e — Flexible impedance compatibility for a range of subwoofer configurations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMOSFET Power Supply\u003c\/strong\u003e — High-speed switching for efficient, stable power delivery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-In Control Panel\u003c\/strong\u003e — Onboard adjustments for gain level, low-pass filter, subsonic filter, and bass EQ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Bass Knob Included\u003c\/strong\u003e — Convenient cabin-accessible bass level control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced PCB Layout\u003c\/strong\u003e — Engineered for thermal management and long-term component reliability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059600720150,"sku":"DI1200.1","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-4-10.jpg?v=1772087054"},{"product_id":"dii400-4-ultra-compact-full-range-class-d-4-channel-car-audio-amplifier-max-800-watts-2-4-ohm-stable-bridgeable","title":"DII400.4 - Ultra Compact Full Range Class-D 4-channel Car Audio Amplifier, Max 800 Watts, 2-4 OHM Stable, Bridgeable","description":"\u003cp\u003eThe DII400.4 packs four channels of Class-D amplification into a 5.5\" x 5.4\" footprint, making it a practical solution for space-constrained installs without sacrificing output. At 2 ohms, it delivers 100W per channel, with 200W x 2 in bridged mode at 4 ohms. Controls are top-mounted under a protective cover, keeping adjustments accessible without pulling the unit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecoil proprietary Class-D technology\u003c\/strong\u003e for high efficiency in a compact chassis (141mm x 136.5mm x 53mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible power output:\u003c\/strong\u003e 100W x 4 @ 2Ω, 62W x 4 @ 4Ω, or 200W x 2 bridged @ 4Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-impedance constant power\u003c\/strong\u003e with 4\/2 ohm stability and 4 ohm bridged capability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree turn-on modes\u003c\/strong\u003e — REM, VOX, and DC — for versatile installation options\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2\/4 channel input switch\u003c\/strong\u003e with RCA pass-through outputs for signal routing flexibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip detection LEDs\u003c\/strong\u003e for real-time monitoring, with clip indication triggering at 1.1% THD\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit\u003c\/strong\u003e covering thermal, voltage, and speaker DC faults\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059605733654,"sku":"DII400.4","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-18-5.jpg?v=1772087664"},{"product_id":"dii700-4","title":"DII700.4 - Ultra Compact Full Range Class-D 4-channel Car Audio Amplifier, Max 1,400 Watts, 2-4 OHM Stable, Bridgeable","description":"\u003cp\u003eThe DII700.4 packs four channels of Class-D amplification into a footprint just over six inches long, making it a practical choice for builds where space is limited but output isn't optional. With 160W x 4 at 2 ohms or 340W x 2 bridged, it covers both full-range and component speaker configurations from a single unit. Controls are top-mounted under a protective cover, keeping adjustments accessible without removing the amp.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Class-D design:\u003c\/strong\u003e Measures 6.3\" x 5.4\" x 2.1\" — engineered for tight installs without sacrificing channel count.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible power output:\u003c\/strong\u003e 110W x 4 at 4 ohms, 160W x 4 at 2 ohms, or 340W x 2 bridged at 4 ohms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree turn-on modes:\u003c\/strong\u003e Remote (REM), signal-sensing (VOX), and DC offset — adapts to vehicles without a dedicated remote wire.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2\/4 channel input switch:\u003c\/strong\u003e Accepts stereo or four-channel source signals without additional adapters.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull crossover control:\u003c\/strong\u003e Independent HPF and LPF, each adjustable from 30Hz to 300Hz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRCA pass-through outputs:\u003c\/strong\u003e Daisy-chain additional amplifiers without a signal splitter.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit:\u003c\/strong\u003e Guards against thermal, voltage, and speaker DC faults.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059605799190,"sku":"DII700.4","price":280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-73.jpg?v=1772087688"},{"product_id":"dii1600-1-ultra-compact-class-d-mono-car-audio-amplifier-max-3200-watts-2-4-ohm-stable-bridgeable","title":"DII1600.1 - 1600 watts, Ultra Compact, Class-D, Mono Car Audio Amplifier","description":"\u003cp\u003eThe DII1600.1 packs 1600 watts of Class-D mono output into a 9.8\" x 5.4\" chassis, making it a practical solution for high-output subwoofer systems where space is limited. Multi-impedance constant power delivery holds strong across 1 ohm, 2 ohm, and 4 ohm loads, giving installers flexibility without sacrificing output. Controls sit on top beneath a protective cover for clean, accessible tuning after installation.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1600W RMS @ 1 ohm\u003c\/strong\u003e — scales to 1000W @ 2 ohm and 550W @ 4 ohm with constant power across all impedances.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecoil proprietary Class-D topology\u003c\/strong\u003e — high efficiency design in a compact 9.8\" x 5.4\" x 2.1\" footprint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree turn-on modes\u003c\/strong\u003e — REM, VOX, and DC offset for flexible integration into any vehicle or head unit setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop-mounted control panel\u003c\/strong\u003e with protective cover, including bass boost (0–12dB) and LPF crossover (80Hz–20kHz).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip detection LEDs\u003c\/strong\u003e with 1% clip indication threshold for precise gain setting.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRCA pass-through outputs\u003c\/strong\u003e and 2\/4 channel input switch for straightforward system expansion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit\u003c\/strong\u003e covering thermal, voltage, and speaker DC faults.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059628278038,"sku":"DII1600.1","price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-6-13.jpg?v=1772088655"},{"product_id":"dii3300-1-3300-watts-class-d-mono-amplifier","title":"DII3300.1 - 3300 Watts Class-D Mono Amplifier","description":"\u003cp\u003eThe DII3300.1 delivers 3300 watts at 1 ohm in a chassis that measures under 10 inches long — compact enough to fit where full-size mono blocks won't, without compromising on output. Built around Recoil's proprietary Class-D topology, it maintains constant power across 2 and 4 ohm loads, making it a practical choice for a range of subwoofer configurations. Controls are top-mounted beneath a protective cover, keeping adjustments accessible after installation.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3300W RMS at 1 ohm\u003c\/strong\u003e — constant power output also rated at 2050W (2Ω) and 1000W (4Ω)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProprietary Class-D technology\u003c\/strong\u003e with a frequency response extending to 270 kHz and THD+N under 0.12%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree turn-on modes\u003c\/strong\u003e — REM, VOX, and DC — for flexible installation scenarios\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTop-mounted control panel\u003c\/strong\u003e with bass boost (0–16dB), LPF (44–270Hz), and HPF (10–54Hz) crossover adjustment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\/4 channel input switch\u003c\/strong\u003e with both low-level (1.1–11V) and high-level (0.2–2.5V) input sensitivity ranges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCA pass-through outputs\u003c\/strong\u003e for daisy-chaining additional amplifiers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClip detection LEDs\u003c\/strong\u003e and 4-way protection circuit covering thermal, voltage, and speaker DC faults\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059630244118,"sku":"DII3300.1","price":430.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-9-9.jpg?v=1772088678"},{"product_id":"dii1000-1-ultra-compact-class-d-mono-car-audio-amplifier-max-2000-watts-2-4-ohm-stable-bridgeable","title":"DII1000.1 - Ultra Compact Class-D Mono Car Audio Amplifier, Max 2,000 Watts, 2-4 OHM Stable, Bridgeable","description":"\u003cp\u003eThe DII1000.1 is a compact mono block amplifier built around Recoil's proprietary Class-D topology, delivering up to 1,100W RMS at 1 ohm from a chassis that measures under 8 inches in length. Designed for subwoofer applications, its multi-impedance constant power output makes it adaptable across a range of woofer configurations without sacrificing efficiency. Controls are top-mounted beneath a protective cover, keeping adjustments accessible without cluttering the install.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-impedance constant power:\u003c\/strong\u003e Stable output at 1, 2, and 4 ohm loads — 1,100W, 700W, and 370W RMS respectively at 14.4V.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible turn-on modes:\u003c\/strong\u003e Supports REM, VOX, and DC signal detection for compatibility across head unit configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable bass boost and crossover:\u003c\/strong\u003e 0–12dB bass boost, LPF from 80Hz–20kHz, and HPF from 10Hz–80Hz with optional bass remote control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip detection LEDs:\u003c\/strong\u003e Visual clip indication triggers at 1% THD, allowing real-time gain monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRCA pass-through outputs:\u003c\/strong\u003e Enables clean signal daisy-chaining to additional amplifiers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2\/4 channel input switching:\u003c\/strong\u003e Accepts both 2- and 4-channel input signals for broader source compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit:\u003c\/strong\u003e Guards against thermal, voltage, and speaker DC fault conditions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059632406806,"sku":"DII1000.1","price":330.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-79.jpg?v=1772088756"},{"product_id":"dii1400-5-1400-watts-class-d-5-channel-amplifier","title":"DII1400.5 - 1,400 Watts, Class-D, 5-channel Amplifier","description":"\u003cp\u003eThe DII1400.5 packs five channels of Class-D amplification into a 9.7\" x 5.4\" footprint, delivering 160W x 4 at 2 ohms plus 800W x 1 on the mono channel — enough to run a full system from a single, compact unit. Controls are top-mounted beneath a protective cover, keeping adjustments accessible without sacrificing a clean install.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5-channel Class-D design:\u003c\/strong\u003e Four full-range channels and a dedicated mono channel handle speakers and subwoofer from one amplifier.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible power output:\u003c\/strong\u003e 160W x 4 at 2 ohms, 100W x 4 at 4 ohms, and 800W x 1 mono at 2 ohms; 4-ohm bridging available on the stereo channels (320W x 2).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2\/4 channel input switching:\u003c\/strong\u003e Compatible with head units that have limited RCA outputs, with RCA pass-through for daisy-chaining.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree turn-on modes:\u003c\/strong\u003e REM, VOX, and DC offset detection for versatile installation scenarios.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMono channel tuning:\u003c\/strong\u003e Includes 0–12 dB bass boost, 10–50 Hz subsonic filter, and a remote bass control output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit:\u003c\/strong\u003e Guards against thermal, voltage, and speaker DC faults, with clip detection LEDs visible at 1% THD.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059632603414,"sku":"DII1400.5","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-10-9.jpg?v=1772088804"},{"product_id":"dii5000-1-5000-watts-class-d-mono-amplifier","title":"DII5000.1 - 5000 Watts Class-D Mono Amplifier","description":"\u003cp\u003eThe DII5000.1 is a compact Class-D monoblock built around one priority: maximizing output in minimal space. At 5,100W RMS into 1 ohm, it delivers serious subwoofer power without the bulk of traditional high-wattage amplifiers. Controls are top-mounted beneath a protective cover, keeping the install clean while remaining accessible.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5,100W RMS @ 1 ohm\u003c\/strong\u003e (3,100W @ 2Ω \/ 1,800W @ 4Ω) — constant power across multiple impedance loads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecoil proprietary Class-D topology\u003c\/strong\u003e with \u0026lt;0.1% THD+N and 90dB SNR for clean, efficient output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTurn-on mode selection\u003c\/strong\u003e — choose between REM, VOX, or DC signal sensing to match your install\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop-mounted control panel\u003c\/strong\u003e with bass boost (0–12dB), LPF (40–250Hz), HPF (10–50Hz), and clip detection LEDs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2\/4 channel input switch\u003c\/strong\u003e with both low-level (1.1–11V) and high-level (0.2–2.5V) input sensitivity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRCA pass-through outputs\u003c\/strong\u003e and bass remote included for flexible system integration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit\u003c\/strong\u003e covering thermal, voltage, and speaker DC faults — 350A fuse rating\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059638599958,"sku":"DII5000.1","price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-11-12.jpg?v=1772089123"},{"product_id":"dii1100-4-1100-watts-class-d-4-channel-amplifier","title":"DII1100.4 - 1100 Watts Class-D 4-channel Amplifier","description":"\u003cp\u003eThe DII1100.4 packs 570 watts bridged per channel pair into a 7.2\" x 5.4\" footprint, making it a practical choice for builds where rack space is limited but output demands aren't. Class-D efficiency keeps idle current draw to 1100mA while maintaining a frequency response of 10Hz–26kHz. Controls sit on the top panel under a protective cover, keeping the sides clean for tight installations.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-channel Class-D output:\u003c\/strong\u003e 270W x 4 at 2 ohms or 178W x 4 at 4 ohms (14.4V); bridges to 570W x 2 at 4 ohms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTop-mounted control panel:\u003c\/strong\u003e All adjustments accessible from above, protected by a removable cover.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible turn-on modes:\u003c\/strong\u003e Selectable REM, VOX, or DC trigger for integration with virtually any head unit setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull crossover section:\u003c\/strong\u003e Independent HPF and LPF, each adjustable from 30Hz to 300Hz.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2\/4 channel input switch:\u003c\/strong\u003e Accepts stereo or four-channel sources; includes RCA pass-through outputs for daisy-chaining.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip detection LEDs:\u003c\/strong\u003e Visual indication at 0.06% THD+N to help set gain accurately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit:\u003c\/strong\u003e Thermal, voltage, speaker DC, and short-circuit protection built in.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059643416854,"sku":"DII1100.4","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-3-18.jpg?v=1772089395"},{"product_id":"dii1400-4-1400-watts-class-d4-chnnel-amplifier","title":"DII1400.4 - 1400 Watts Class-D 4-channel Amplifier","description":"\u003cp\u003eThe DII1400.4 packs 1,400 watts of Class-D output into a 7.59\" x 5.37\" footprint, making it a practical choice for builds where space is limited but power isn't. All controls sit on a top-mounted panel under a protective cover, keeping adjustments accessible without sacrificing a clean install. With flexible turn-on modes and bridgeable channels, it adapts to a wide range of system configurations.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Class-D design:\u003c\/strong\u003e Full 4-channel output in a 202mm x 136.5mm x 53mm chassis — engineered for tight installs without compromising power delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible power output:\u003c\/strong\u003e 210W x 4 at 4 ohms, 310W x 4 at 2 ohms, or 620W x 2 bridged at 4 ohms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple turn-on modes:\u003c\/strong\u003e Supports REM, VOX, and DC turn-on — compatible with a range of head unit and OEM integration scenarios.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitchable input configuration:\u003c\/strong\u003e 2\/4 channel input switch with high-level input sensitivity up to 12V for direct source unit connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull-range crossover control:\u003c\/strong\u003e Independent HPF and LPF adjustable from 30Hz to 300Hz on all channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRCA pass-through outputs:\u003c\/strong\u003e Simplifies daisy-chaining additional amplifiers without signal loss.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit:\u003c\/strong\u003e Guards against thermal, voltage, and speaker DC faults, with clip detection LEDs for real-time monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059646234902,"sku":"DII1400.4","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/Dll400.4.jpg?v=1772089577"},{"product_id":"rl880-4-880-watts-full-range-class-d-4-channel-amplifier","title":"RL880.4 - 880 Watts Full Range Class-D 4-channel Amplifier","description":"\u003cp\u003eThe RL880.4 is a compact 4-channel amplifier built for real-world installs where space is limited but output isn't. At just under 5 inches long, it delivers up to 220W x 4 at 2 ohms or bridges down to 380W x 2 at 4 ohms — making it a flexible option for powering a full speaker stage or a mid-bass setup. The fully adjustable HPF and LPF crossovers (30–300 Hz) let you tune the signal without external processors.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-channel output:\u003c\/strong\u003e 220W x 4 at 2 ohms, 140W x 4 at 4 ohms (14.4V)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBridgeable:\u003c\/strong\u003e 380W x 2 at 4 ohms for dedicated mid-bass or component applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact chassis:\u003c\/strong\u003e 3.97\" x 4.92\" x 2\" fits tight mounting locations under seats or in trunk builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable crossovers:\u003c\/strong\u003e Independent HPF and LPF, both sweepable from 30 Hz to 300 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit:\u003c\/strong\u003e Thermal, voltage, and speaker DC protection built in\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow distortion:\u003c\/strong\u003e THD+N under 0.3% at 1W with an SNR of 89.7 dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip indicator:\u003c\/strong\u003e Triggers at 1% THD to help set gain accurately\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059647480086,"sku":"RL880.4","price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/1-5_8e425fa7-d0b1-429d-bb7e-7597a6badde2.jpg?v=1772089622"},{"product_id":"spl4200-4-4200-watts-class-d-4-channel-amplifier","title":"SPL4200.4 - 4200 Watt 4-channel Class-D Amplifier","description":"\u003cp\u003eThe SPL4200.4 is a four-channel Class D amplifier built for competition-level output, delivering up to 1050 watts per channel at 1 ohm. Its strapped mode allows two units to be bridged together, pushing output to 2150 watts per side at 2 ohms for extreme build configurations. A microprocessor-controlled regulated fan keeps thermals in check under sustained high-power loads.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass D four-channel design\u003c\/strong\u003e — 1050W x 4 at 1 ohm (14.4V), scalable down to 420W x 4 at 4 ohms.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrapped mode bridging\u003c\/strong\u003e — pair two SPL4200.4 units for up to 2150W x 2 at 2 ohms bridged.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual crossover filters\u003c\/strong\u003e — HPF (11Hz–11kHz \/ 95Hz–12kHz) and LPF (46Hz–12kHz \/ 460Hz–12kHz) with selectable ranges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicroprocessor-controlled fan cooling\u003c\/strong\u003e — regulated airflow responds to operating conditions rather than running at fixed speed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4-way protection circuit\u003c\/strong\u003e — guards against thermal overload, overvoltage, speaker short, and DC offset.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide operating voltage\u003c\/strong\u003e — functions across 9V–16V to accommodate varying electrical system conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e300A fuse rating\u003c\/strong\u003e — sized appropriately for the amplifier's current demands at full output.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Recoil Audio USA","offers":[{"title":"Default Title","offer_id":51059651739926,"sku":"SPL4200.4","price":700.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/7400\/4758\/files\/6-10_72caa5e9-aa33-42f0-968f-66f70344a662.jpg?v=1772090188"},{"product_id":"spl3800-1","title":"SPL3800.1 - 3800 Watt Mono Class-D Amplifier","description":"\u003cp\u003eThe SPL3800.1 is a competition-grade Class D monoblock built for high-demand subwoofer applications where power density and control matter. 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A strappable design allows two units to be bridged for even greater output, making it a serious option for SPL builds. 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Rated at 300W x 4 at 2 ohms and bridgeable to 520W x 2, it delivers real power in a 6.67\" x 4.92\" footprint. 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At just over 4\" × 5\", it delivers up to 680W RMS at 1 ohm — serious output from a seriously small footprint. 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