![JL Audio MMR-40 Full-Function Wired NMEA 2000 Network Controller f/MediaMaster [010-03129-00]](https://cdn.shopify.com/s/files/1/0627/1103/8191/files/106275XL.jpg?v=1749161204)
JL Audio MMR-40 Full-Function Wired NMEA 2000 Network Controller f/MediaMaster [010-03129-00]
MMR-40 Full-Function Wired NMEA 2000® Network Controller for MediaMaster®The MMR-40 is an NMEA 2000® Network Controller engineered to add full-function, auxiliary control to MediaMaster® source units.Outfitted with an NMEA 2000® Micro-C connector, the MMR-40 connects to a host MediaMaster® source unit in two ways: Direct interface with a vessel's NMEA 2000® network using applicable NMEA 2000® cables and connectors (not included) Direct connection of one MMR-40 with one host MediaMaster® source unit using MMC-PN2K powered network cables (sold separately) to simulate an isolated, stand-alone NMEA 2000® network Once connected, the MMR-40 automatically recognizes the host MediaMaster® source unit and will then mirror all host source unit controls and screen info onto the MMR-40's full-color, 2.8-inch LCD, resulting in a complete MediaMaster® user experience.The MMR-40 is equipped with an independent display theme and lighting controls for maximum mounting location flexibility, regardless