The JL Audio MMR-20-BE is a compact, weatherproof (IP67-rated) wired remote designed to provide convenient auxiliary control for MediaMaster source units. Featuring large, backlit buttons and LED indicators for easy operation day or night, its ideal for marine and off-road environments. Its simple, one-hole mount design fits tight spaces, and you can connect up to three remotes per system, with cable runs up to 75 feet. Note: Requires MMC Connection Cables (sold separately). Connection cables are available in several lengths to fit your specific application. Y-splitters are also available to connect up to three remotes to a MediaMaster source unit. MediaMaster remote control capabilities include: Power On/OffSource SelectVolume Up/DownTrack Up/Down (USB BT)Track Fast-Forward/Fast-Rewind (USB)Favorite Up/Down (Radio)Play/Pause (USB BT)Mute/Unmute (Radio Aux)The MMR-20-BE is compatible with these MediaMaster source units: MM105MM100s-BEMM100sMM50 Large, backlit buttons & LED indicators for easy day/night operation Compact, one-hole mount fits tight spaces Supports up to 3 remotes per system, each up to 75 ft away | JL Audio MMR-20-BE Round Wired Remote f/ MediaMaster