MTX MA400.4 Marine Amplifier 4-Channel Class D with LED 400W RMS Power

MTX MA400.4 400W RMS Full Range Class D 4-Channel Marine Amplifier

The 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.

Key Features

• 400W RMS Power Output - Delivers 100 watts RMS x 4 channels at 2 ohms for strong, distortion-free sound.
• Marine-Ready Construction - Conformal coated circuit board and stainless steel hardware resist moisture, salt, and corrosion.
• Class D Efficiency - Runs cooler and more efficiently while maintaining clean audio performance.
• Compact Footprint - Streamlined design for easy installation in tight marine spaces.
• Clip Detection Light - Optimizes tuning to prevent distortion and protect speakers.
• LED Status Indicator - Provides instant system feedback for power and protection status.
• Advanced Protection Circuitry - Includes thermal, short, and over/under voltage safeguards.
• High-Quality Connections - Tiffany-style RCA inputs and direct-insert power terminals ensure reliable, secure connections.
• Dyno Power Certified - Each amplifier includes a verified Dyno Power Rating Certificate.

Specifications

• Brand: MTX
• Model: MA400.4
• Class Type: Class D
• Number of Channels: 4 Channel
• RMS Power: 400W Total (100W x 4 @ 2Ω)
• Impedance: 2Ω, 4Ω
• Frequency Response: 20Hz - 20kHz
• Signal-to-Noise Ratio: > 98 dB
• Total Harmonic Distortion (THD): < 0.1%
• Mounting Type: Surface Mount
• Material: Stainless Steel Hardware
• Protection: Thermal, Short, Over/Under Voltage
• Dimensions: Compact, space-saving design
• Warranty: 2 Years

Why Choose the MTX MA400.4?

The 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.

About MTX

MTX 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.