JL Audio MM55-HR Premium Hidden Marine Source Unit with Built-In Amplifier Missing Link Makes lubricating bearings a snap

Makes lubricating bearings a snap

Each set of switches comes color-coded with a switch plate installed

One single tee connector

under normal use and service

JL Audio MM55-HR Premium Hidden Marine Source Unit with Built-In Amplifier Missing Link Makes lubricating bearings a snapMM55 HR Premium Hidden Marine Source Unit with Built In Amplifier MediaMaster 55 HR Receiver from JL Audio Premium, Hidden Marine Source Unit with Built in Amplifier Engineered to deliver superb sonic excellence from integrated vessel applications, MediaMaster 55 HR is a premium hideaway receiver with all the features of the MediaMaster 55 source unit, less the physical controls and display screen. Outfitted with certified NMEA 2000 network