JL AUDIO MMR-40 Full Function NMEA2000 Network Controller with LCD Display
The JL AUDIO MMR-40 is a full-function NMEA2000 network controller featuring an LCD display designed for marine audio systems. This unit allows for seamless control of audio components within a NMEA2000 network.
Compatibility & Applications
- Wires to NMEA2000 networks for integrated marine audio control.
- Pairs with JL Audio amplifiers and speakers for complete audio systems.
- Mounts in various locations on boats, including helm and console areas.
- Replaces older JL Audio controllers without additional modifications.
- Integrates with multifunction displays for enhanced user experience.
- Fits on vessels ranging from 20 to 40 feet in length.
The unit allows for easy control of audio settings and integrates with existing NMEA2000 setups. It serves as a direct replacement for previous JL Audio controllers, ensuring compatibility and functionality. For example, installation on a 30-foot center console can be accomplished without altering existing wiring, making it a straightforward upgrade over generic controllers.







