{"product_id":"mtx-ma400-4-marine-amplifier-4-channel-class-d-with-led-400w-rms-power","title":"MTX MA400.4 Marine Amplifier 4-Channel Class D with LED 400W RMS Power","description":"\u003ch4\u003eMTX MA400.4 400W RMS Full Range Class D 4-Channel Marine Amplifier\u003c\/h4\u003e\n\n\u003cp\u003eThe MTX MA400.4 Marine Amplifier delivers exceptional power and reliability in a rugged design built for the most demanding marine environments. With 400 watts RMS full-range output, a compact Class D architecture, and advanced marine-grade protection, this amplifier ensures your sound system performs with clarity and authority whether you’re on the water or docked. Its precision tuning features, durable stainless steel hardware, and conformal-coated circuit board make it a true marine-ready powerhouse.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e400W RMS Power Output\u003c\/strong\u003e - Delivers 100 watts RMS x 4 channels at 2 ohms for strong, distortion-free sound.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine-Ready Construction\u003c\/strong\u003e - Conformal coated circuit board and stainless steel hardware resist moisture, salt, and corrosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass D Efficiency\u003c\/strong\u003e - Runs cooler and more efficiently while maintaining clean audio performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Footprint\u003c\/strong\u003e - Streamlined design for easy installation in tight marine spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClip Detection Light\u003c\/strong\u003e - Optimizes tuning to prevent distortion and protect speakers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Status Indicator\u003c\/strong\u003e - Provides instant system feedback for power and protection status.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdvanced Protection Circuitry\u003c\/strong\u003e - Includes thermal, short, and over\/under voltage safeguards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Connections\u003c\/strong\u003e - Tiffany-style RCA inputs and direct-insert power terminals ensure reliable, secure connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDyno Power Certified\u003c\/strong\u003e - Each amplifier includes a verified Dyno Power Rating Certificate.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e MTX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MA400.4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass Type:\u003c\/strong\u003e Class D\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Channels:\u003c\/strong\u003e 4 Channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRMS Power:\u003c\/strong\u003e 400W Total (100W x 4 @ 2Ω)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 2Ω, 4Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 20Hz - 20kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal-to-Noise Ratio:\u003c\/strong\u003e \u0026gt; 98 dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTotal Harmonic Distortion (THD):\u003c\/strong\u003e \u0026lt; 0.1%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Surface Mount\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Stainless Steel Hardware\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Thermal, Short, Over\/Under Voltage\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Compact, space-saving design\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 2 Years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch4\u003eWhy Choose the MTX MA400.4?\u003c\/h4\u003e\n\u003cp\u003eThe MTX MA400.4 is engineered to withstand the harsh realities of marine use while delivering audiophile-grade performance. Its robust protection systems and marine-specific construction keep your system safe from salt, water, and vibration. Whether powering a full speaker system or expanding your setup, this amplifier combines efficient Class D technology with premium build quality, ensuring every trip on the water is paired with clean, powerful sound. For boaters and marine enthusiasts who demand uncompromising audio performance and durability, the MA400.4 is the ultimate choice.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch4\u003eAbout MTX\u003c\/h4\u003e\n\u003cp\u003eMTX Audio is a trusted leader in high-performance sound solutions, delivering innovative car, marine, powersports, and home audio products for decades. Known for their dedication to power, precision, and durability, MTX products are engineered to exceed expectations in every environment. With a reputation for combining cutting-edge technology and rugged reliability, MTX continues to be the brand of choice for audio enthusiasts who demand the best in sound performance.\u003c\/p\u003e","brand":"MTX","offers":[{"title":"Default Title","offer_id":48885539143780,"sku":"MTX MA400.4","price":529.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0777\/9047\/8436\/files\/58a9b6ae-291c-458d-b4cb-3874182b3bb0.jpg?v=1785501079","url":"https:\/\/webtron-x.com\/products\/mtx-ma400-4-marine-amplifier-4-channel-class-d-with-led-400w-rms-power","provider":"webtron-x","version":"1.0","type":"link"}