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 connectivity, the MediaMaster 55-HR hideaway receiver can be controlled by your Garmin, Lowrance, Raymarine or Simrad multifunction Display (MFD) or a JL Audio MMR-40 network controller (sold separately). For uninterrupted enjoyment of your favorite stations and soundtracks, a variety of source and media options are on hand, including global radio tuners, a USB input, analog AUX input and streaming audio capabilities, courtesy of BLUETOOTH® wireless technology. Audio output options include a robust 4-channel onboard amplifier, capable of powering your speakers with 100 watts (25-watt RMS x 4) of pure sonic delight. Nine channels of audiophile-quality preamp outputs from three separate audio zones are also included, each with a dedicated subwoofer output. Each zone includes an array of flexible audio options and is controlled by a configurable master volume for quick, on-the-fly adjustments, allowing complete command over different areas of your boat. FEATURES Control Options via NMEA 2000 Networks MediaMaster® MMR-40 network controller (sold separately): full-function, water-resistant (IP66-rated) controller with full-color LCD MFD control: use your compatible MFD from Garmin, Simrad, Lowrance or Raymarine (refer to MFD manufacturer for compatibility info) Engineered for Real-world Marine Duty Tough, water-resistant (IP67-rated) design and construction to withstand the elements Intuitive interface for easy operation while docked or underway Comprehensive Marine Audio System Capabilities: Nine channels of audiophile-quality preamp outputs (4-volt RMS) from three separate audio zones, each with a dedicated subwoofer output Independent feature and control options for each audio zone:- Volume level: adjust all zones together or select an individual zone for discrete adjustment- Subwoofer level: adjust all subwoofer zone trim levels together or select an individual zone for discrete adjustment- Onboard crossovers: each zone is equipped with separate filters for high-pass (off/80/100/120 Hz) and low-pass (off/60/80/100 Hz)- Volume limit: set a maximum allowable volume level for each zone- Tone controls: adjusts the bass, midrange, treble and balance settings- Zone naming: customize each zone's designation for easy identification Built-in amplifier generates 100 watts (25 watts x 4) of high-fidelity sound for zones 1 and 2 Built for Today's Modern Media Digital AM/FM radio tuner with radio data system extended display info Built-in DAB+ radio (Europe) tuner (subject to local availability) Store up to 18 favorite stations (across all tuners) for quick selection Stream audio with BLUETOOTH wireless technology and the Qualcomm® aptX™ audio codec for amazing audio fidelity with compatible devices USB 2.0 direct-digital connections can access music files on your USB storage device with 1 amp charging output Auxiliary inputs accept analog audio signals directly from external sources NMEA 2000 network-certified: MFD control functionality uses applicable network cables and connectors (s
