BOSS MPD7405 Full Range 5 Channel Class D Amplifier

Overview

Power your full-range marine audio setup with the BOSS MPD7405 Full Range 5 Channel Class D Amplifier. Built for high output and flexible crossover control, it includes RCA level inputs, remote subwoofer control, and protection circuitry for confident everyday playback.

Key Features

• Full Range 5-Channel Class D amplifier design
• 740 Watts Max output
• 2 Ohm stereo stable design (for full-range channel operation)
• High Pass and Low Pass Filters for flexible system tuning
• Bass Boost for adding extra low-end punch
• RCA Level Inputs for easy integration with compatible head units
• Bridgeable amplifier configuration
• PWM MOSFET Power Supply
• Remote Subwoofer Control
• LED Illuminated End Panels
• Thermal, Short and Overload Protection Circuits

Intended Use

• Marine audio systems
• Boat/powersports audio systems (amplification for multi-channel speaker + subwoofer setups)

Product Details

• BOSS MPD7405 Full Range 5 Channel Class D Amplifier
• SKU: 153-MPD7405
• 740 Watts Max output
• 2 Ohm Stereo
• High Pass and Low Pass Filters
• Bass Boost (hook up to subwoofer for bass)
• RCA Level Inputs
• Bridgeable
• PWM MOSFET Power Supply
• Remote Subwoofer Control
• LED Illuminated End Panels
• Thermal, Short and Overload Protection Circuits

Parts Desk Insights

Best Use Case: A strong choice for a 5-channel marine audio layout where you want controlled crossover options (HP/LP), subwoofer integration with remote level control, and a compact Class D amplifier approach for louder, cleaner sound.

Common Issues: When installing, double-check that the head unit output matches the amplifiers RCA level input expectations, and verify your crossover/bass-boost settings with the actual speaker/subwoofer wiring to avoid mismatched tuning. Also confirm proper speaker impedance choices and secure connections before powering on to help the protection circuits stay out of operation.

Related Products & Accessories

• Related marine audio speakers and subwoofers – Pairing this amplifier with compatible marine speakers and (if desired) a subwoofer helps you complete the full-range system.

Research Sources

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