JL AUDIO MV400/4i 4-Channel Class D Amplifier
The JL AUDIO MV400/4i is a 4-channel Class D full-range amplifier with a power output of 100W per channel at 2 ohms and 75W per channel at 4 ohms, operating at 14.4V. This unit is engineered for marine audio installations, providing high-efficiency amplification for various speaker configurations.
Compatibility & Applications
- Mounts in standard amplifier racks or under consoles in vessels 18–30 ft.
- Pairs with various JL Audio marine speakers and subwoofers for complete audio systems.
- Integrates with NMEA 2000 networks for streamlined audio control.
- Replaces older JL Audio amplifiers such as the M400/4.
- Wires to 12V DC power systems commonly found in marine applications.
- Fits in T-top or console locations for easy access during operation.
- Supports integration with multifunction displays for enhanced control.
This amplifier is designed to deliver high-quality sound across multiple marine speakers while ensuring durability in harsh environments. The unit’s Class D architecture provides efficient power usage, minimizing heat generation, which is critical for prolonged use in marine settings.







