{"product_id":"down4sound-m3-1500-marine-1500w-rms-amplifier","title":"Down4Sound M3-1500 (marine) - 1500W RMS Amplifier","description":"\u003cp\u003eThe \u003cstrong\u003eDOWN4SOUND M3-1500 Marine \u0026amp; Off-Road Amplifier\u003c\/strong\u003e is a compact monoblock powerhouse delivering \u003cstrong\u003e1500 watts RMS\u003c\/strong\u003e of full-range Class D performance, engineered for serious marine and off-road applications. Built inside a rugged chassis designed for extreme environments, this amplifier is sealed to help resist moisture, salt, mud, and vibration.\u003c\/p\u003e \u003cp\u003eWhether mounted in a boat hull, motorcycle saddlebag, side-by-side UTV, mud truck, or wake tower system, the M3-1500 delivers high-output performance with confidence.\u003c\/p\u003e \u003cp\u003eIf you demand serious output, real reliability, and a refined premium finish, this is your amplifier.\u003c\/p\u003e \u003chr\u003e\u003ch2\u003ePower Output\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e1 × 1500W RMS @ 1Ω\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1 × 1060W RMS @ 2Ω\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e1 × 700W RMS @ 4Ω\u003c\/strong\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eFull-range Class D circuit design for maximum efficiency and reduced heat in marine and powersports electrical systems.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBand-pass capable\u003c\/strong\u003e for flexible system design\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRCA line output\u003c\/strong\u003e for easy system expansion\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003eMarine \u0026amp; Off-Road Ready Construction\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eSealed aluminum housing\u003c\/li\u003e \u003cli\u003eConformal-coated internal PCB\u003c\/li\u003e \u003cli\u003eCorrosion-resistant terminals\u003c\/li\u003e \u003cli\u003eWater-resistant construction\u003c\/li\u003e \u003cli\u003eWeather-resistant construction\u003c\/li\u003e \u003cli\u003eEngineered for vibration resistance in harsh environments\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003ePrecision Crossovers (Band-Pass Capable)\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eAdjustable HPF \u0026amp; LPF (20Hz–800Hz)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ex10 multiplier\u003c\/strong\u003e for extended tuning range\u003c\/li\u003e \u003cli\u003eBand-pass capable using onboard crossovers\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003eCompact High-Output Design\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e11.45\" × 5.11\" × 2.38\"\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrong\u003e291 × 130 × 60 mm\u003c\/strong\u003e\u003c\/li\u003e \u003cli\u003eInstall-friendly footprint with serious output capability\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003eSmart 4-Way Protection Circuit\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eThermal protection\u003c\/li\u003e \u003cli\u003eVoltage protection\u003c\/li\u003e \u003cli\u003eShort circuit protection\u003c\/li\u003e \u003cli\u003eDC overload protection\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eDesigned for stable performance in demanding marine and off-road electrical systems.\u003c\/p\u003e \u003chr\u003e\u003ch2\u003eBluetooth Bass Knob (Optional Use)\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eIncludes Bluetooth bass knob controller\u003c\/li\u003e \u003cli\u003eOptional to use — amplifier operates fully without it\u003c\/li\u003e \u003cli\u003eReal-time display of volume, voltage, temperature, and clipping status\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003ePower: \u003cstrong\u003e1500W RMS total\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eChannels: \u003cstrong\u003e1 (Monoblock)\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eClass: \u003cstrong\u003eFull-Range Class D\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eFrequency Response: \u003cstrong\u003e10Hz–23kHz\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eInput Sensitivity: \u003cstrong\u003e0.2V–6V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eTHD: \u003cstrong\u003e\u0026lt;0.1%\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eS\/N Ratio: \u003cstrong\u003e\u0026gt;75dB\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eWorking Voltage: \u003cstrong\u003e9V–15.5V\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eFuse Rating: \u003cstrong\u003e150A\u003c\/strong\u003e\n\u003c\/li\u003e \u003cli\u003eSize: \u003cstrong\u003e11.45\" × 5.11\" × 2.38\"\u003c\/strong\u003e (\u003cstrong\u003e291 × 130 × 60 mm\u003c\/strong\u003e)\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003eUse It On\u003c\/h2\u003e \u003cul\u003e\n\u003cli\u003eWake boats, pontoons, jet boats\u003c\/li\u003e \u003cli\u003eMotorcycle baggers\u003c\/li\u003e \u003cli\u003eSide-by-sides and UTV builds\u003c\/li\u003e \u003cli\u003eMud trucks and off-road systems\u003c\/li\u003e \u003cli\u003eHigh-output subwoofer and pro-audio marine setups\u003c\/li\u003e \u003c\/ul\u003e \u003chr\u003e\u003ch2\u003eWhy the M3-1500?\u003c\/h2\u003e \u003cp\u003eBecause power, durability, and clean design should never be a compromise.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003eThe M3-1500 delivers massive output in a compact marine-ready chassis.\u003c\/li\u003e \u003cli\u003eBuilt for boats.\u003c\/li\u003e \u003cli\u003eBuilt for powersports.\u003c\/li\u003e \u003cli\u003eBuilt for serious subwoofer and pro-audio systems.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eAdd it to your system and keep your install powerful, clean, and professional.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthorized Down4Sound dealer at JS Ultimate Sounds. 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