{"product_id":"jl-audio-mx280-marine-and-powersports-amplifier-4-channel","title":"JL Audio MX280\/4 Marine and Powersports Amplifier 4 Channel","description":"\u003ch1 data-path-to-node=\"3\"\u003eJL Audio MX280\/4 Compact Marine \u0026amp; Powersports 4-Channel Amplifier\u003c\/h1\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eMassive Audiophile Power. Microscopic Footprint.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003eDon't let the small size fool you. The \u003cb data-path-to-node=\"5\" data-index-in-node=\"39\"\u003eJL Audio MX280\/4\u003c\/b\u003e is a rugged, ultra-compact 4-channel Class-D amplifier engineered specifically to pack massive audio output into tight, limited-space applications. Perfect for center consoles, jet skis, small boats, side-by-sides, and off-road 4WD setups, this powerhouse delivers crystal-clear sound that easily slices through the roar of wind, waves, and mud tires.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003eMeasuring just \u003cb data-path-to-node=\"6\" data-index-in-node=\"15\"\u003e220 mm wide and 45 mm high\u003c\/b\u003e, it tucks neatly into dashes, glove boxes, or custom tight spaces where standard amplifiers could never dream of fitting.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"7\"\u003eThe NexD™ Efficiency Advantage\u003c\/h3\u003e\n\u003cp data-path-to-node=\"8\"\u003eTraditional high-power amplifiers create immense heat and place severe strain on your vehicle or boat's electrical charging systems. JL Audio solves this with their proprietary \u003cb data-path-to-node=\"8\" data-index-in-node=\"177\"\u003eNexD™ high-speed switching technology\u003c\/b\u003e. This ultra-efficient Class-D architecture squeezes every ounce of performance out of your 12-volt setup, minimizing heat generation and current draw while maintaining immaculate, high-fidelity sound.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"10\"\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul data-path-to-node=\"11\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,0,0\"\u003e\u003cb data-path-to-node=\"11,0,0\" data-index-in-node=\"0\"\u003eExtreme IPX7 Waterproof Construction:\u003c\/b\u003e Completely sealed against the elements. The MX280\/4 doesn’t just withstand splashes—its cast-aluminum chassis is rated to handle temporary water immersion up to 1 meter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,1,0\"\u003e\u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"0\"\u003eFully Bridgeable Architecture:\u003c\/b\u003e Ultimate system flexibility. Run it as a standard \u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"81\"\u003e4-channel setup\u003c\/b\u003e (50W x 4) for your main cockpit speakers, bridge it to \u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"152\"\u003e2 channels\u003c\/b\u003e (140W x 2) to blast heavy-duty tower speakers, or configure it as a \u003cb data-path-to-node=\"11,1,0\" data-index-in-node=\"231\"\u003e3-channel amp\u003c\/b\u003e to run a pair of coaxes alongside a dedicated marine subwoofer.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,2,0\"\u003e\u003cb data-path-to-node=\"11,2,0\" data-index-in-node=\"0\"\u003eDual-Range Differential Inputs:\u003c\/b\u003e Equipped with smart inputs that accept both line-level (RCA) and high-power speaker-level signals. The differential-balanced design actively rejects electrical interference, completely eliminating annoying alternator whine and background hum.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,3,0\"\u003e\u003cb data-path-to-node=\"11,3,0\" data-index-in-node=\"0\"\u003eProtected Onboard Controls:\u003c\/b\u003e A water-resistant gasketed aluminum security plate conceals independent front and rear variable crossover filters (selectable full-range, high-pass, or low-pass), ensuring your tuning controls stay bone-dry and safe from corrosion.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"11,4,0\"\u003e\u003cb data-path-to-node=\"11,4,0\" data-index-in-node=\"0\"\u003eBuilt for Saltwater Life:\u003c\/b\u003e Coated in a durable, sleek black powder-coated finish and paired exclusively with marine-grade stainless steel hardware to prevent rust over years of heavy marine usage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"13\"\u003ePower Output Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"14\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLoad Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRMS Power @ 14.4V\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRMS Power @ 12.5V\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,1,0,0\"\u003e\u003cb data-path-to-node=\"14,1,0,0\" data-index-in-node=\"0\"\u003e4 \u003cspan class=\"math-inline\" data-math=\"\\Omega\" data-index-in-node=\"2\"\u003e$\\Omega$\u003c\/span\u003e Stereo (Per Channel)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,1,1,0\"\u003e50 Watts RMS x 4\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,1,2,0\"\u003e36 Watts RMS x 4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,2,0,0\"\u003e\u003cb data-path-to-node=\"14,2,0,0\" data-index-in-node=\"0\"\u003e2 \u003cspan class=\"math-inline\" data-math=\"\\Omega\" data-index-in-node=\"2\"\u003e$\\Omega$\u003c\/span\u003e Stereo (Per Channel)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,2,1,0\"\u003e70 Watts RMS x 4\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,2,2,0\"\u003e52 Watts RMS x 4\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,3,0,0\"\u003e\u003cb data-path-to-node=\"14,3,0,0\" data-index-in-node=\"0\"\u003e4 \u003cspan class=\"math-inline\" data-math=\"\\Omega\" data-index-in-node=\"2\"\u003e$\\Omega$\u003c\/span\u003e Bridged (Mono Pairs)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,3,1,0\"\u003e140 Watts RMS x 2\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"14,3,2,0\"\u003e100 Watts RMS x 2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"16\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable data-path-to-node=\"17\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,0,0\"\u003e\u003cb data-path-to-node=\"17,1,0,0\" data-index-in-node=\"0\"\u003eAmplifier Class\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,1,1,0\"\u003eUltra-efficient NexD™ Class D\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,0,0\"\u003e\u003cb data-path-to-node=\"17,2,0,0\" data-index-in-node=\"0\"\u003eWaterproof Rating\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,2,1,0\"\u003eIPX7 (Submersible up to 1 meter)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,0,0\"\u003e\u003cb data-path-to-node=\"17,3,0,0\" data-index-in-node=\"0\"\u003eFrequency Response\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,3,1,0\"\u003e20 Hz - 20 kHz (+0, -1dB)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,0,0\"\u003e\u003cb data-path-to-node=\"17,4,0,0\" data-index-in-node=\"0\"\u003eSignal-to-Noise Ratio\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,4,1,0\"\u003e\u0026gt;89.5 dB (A-weighted, referred to highest rated power)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,0,0\"\u003e\u003cb data-path-to-node=\"17,5,0,0\" data-index-in-node=\"0\"\u003eCrossover Filter Modes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,5,1,0\"\u003eHigh-Pass or Low-Pass (Defeated via switch)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,0,0\"\u003e\u003cb data-path-to-node=\"17,6,0,0\" data-index-in-node=\"0\"\u003eFilter Range \/ Slope\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,6,1,0\"\u003eVariable 35 Hz - 300 Hz \/ 12 dB\/octave\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,7,0,0\"\u003e\u003cb data-path-to-node=\"17,7,0,0\" data-index-in-node=\"0\"\u003eMinimum Power\/GND Wire\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,7,1,0\"\u003e8 AWG copper wire\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,8,0,0\"\u003e\u003cb data-path-to-node=\"17,8,0,0\" data-index-in-node=\"0\"\u003eFuse Rating\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,8,1,0\"\u003e35 Amp (AFS, AGU, or MaxiFuse™)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,9,0,0\"\u003e\u003cb data-path-to-node=\"17,9,0,0\" data-index-in-node=\"0\"\u003eDimensions (W x H x D)\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,9,1,0\"\u003e220 mm x 45 mm x 78.5 mm (8.66\" x 1.77\" x 3.09\")\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,10,0,0\"\u003e\u003cb data-path-to-node=\"17,10,0,0\" data-index-in-node=\"0\"\u003eNet Weight\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"17,10,1,0\"\u003e1.44 kg (3.18 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-path-to-node=\"18\"\u003eWhat's In The Box?\u003c\/h3\u003e\n\u003cul data-path-to-node=\"19\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,0,0\"\u003e(1) MX280\/4 4-Channel Marine Amplifier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,1,0\"\u003eIntegrated 12-inch Power and Signal Wiring Harness Pigtail\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,2,0\"\u003eSpare 35A ATO Fuse\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,3,0\"\u003e(4) Stainless Steel Self-Tapping Mounting Screws\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"19,4,0\"\u003eOwner’s Manual \u0026amp; Tuning Guide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"21\"\u003e\u003cb data-path-to-node=\"21\" data-index-in-node=\"0\"\u003eAmplify Your Outdoors.\u003c\/b\u003e Stop letting limited space compromise your music. Add the \u003cb data-path-to-node=\"21\" data-index-in-node=\"81\"\u003eJL Audio MX280\/4\u003c\/b\u003e to your cart today and bring clean, distortion-free power to your open-air adventures.\u003c\/p\u003e","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":44142874165382,"sku":"010-03105-00","price":559.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/7046\/3110\/files\/Untitleddesign-2026-07-08T123329.620.png?v=1783478211","url":"https:\/\/outboardparts.com.au\/products\/jl-audio-mx280-marine-and-powersports-amplifier-4-channel","provider":"Outboard Parts","version":"1.0","type":"link"}