MS 400×4

Elevate Your In-Car Audio Experience with the Marts Digital Pulse MS-400X4 4-Channel Amplifier

Upgrade your sound system with high-performance audio processing from the Marts Digital Pulse MS-400X4. Engineered to deliver crystal-clear, high-fidelity sound across all volume levels, this compact Class-D 4-channel car audio amplifier provides the precise power needed to drive aftermarket door speakers, component sets, and coaxial setups with zero audio distortion.

Key Features & Benefits

• Efficient Class-D Technology: Delivers high power output with minimal current draw on your vehicle’s electrical system, preventing battery drain while keeping heat low.

• Versatile Power Output: Delivers up to 4x100W RMS @ 2 Ohms or 4x50W RMS @ 4 Ohms (14.4V DC), providing power for mid-range drivers and tweeters.

• Ultra-Compact Design: Measuring just 4.75″ x 2.13″ x 5.31″, it fits seamlessly into tight spaces—under seats, behind panels, or inside motorcycle/powersport setups.

• Integrated Crossovers: Adjustable High-Pass and Low-Pass Filters (35 Hz – 250 Hz) allow precise audio customization for balanced frequency separation.

• Clean, Noise-Free Sound: Featuring a >90dB Signal-to-Noise ratio, enjoy clean, crisp sound staging without hiss or engine whine.

• What’s Included in the Box?

  • 1x Marts Digital Pulse MS-400X4 Amplifier

  • Owner’s Manual & Mounting Accessories