![JL Audio MMR-40 Full-Function Wired NMEA 2000 Network Controller f/MediaMaster [010-03129-00] Engine Parts & Service | Flush Kits Dual Battery Monitor - 12V](https://cdn.shopify.com/s/files/1/0588/7918/0915/files/106275XL.jpg?v=1729289582)
Pay in 4 interest-free payments of $30.88 Learn more
Ships within 48 hours · Estimated delivery Jul 27 - Aug 1
Dual Battery Monitor - 12V or 24V - Auto Detection
Hose and tank fittings come with pre-applied thread sealant
With a simple press of the Active Display Button
With six LEDs
Max Voltage:250V AC / 32V DC
JL Audio MMR-40 Full-Function Wired NMEA 2000 Network Controller f/MediaMaster [010-03129-00] Engine Parts & Service | Flush Kits Dual Battery Monitor - 12VMMR 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