Hertz HMR 15 Square-Face IP66 Marine Digital Media Receiver with Bluetooth 5.0, USB & AM/FM Radio, 4 x 50W Max (78333000)

The Hertz HMR 15 is a marine digital media receiver with a 2.8-inch dot-matrix screen and Bluetooth 5.0 audio streaming. Designed for sun- and spray-exposed helm installations, it provides onboard speaker amplification and RCA connectivity for an upgraded stereo system. Its front/rear line outputs configuration distinguishes it from other HMR receivers.

Key Features

• Hertz Pure Marine design with IP66 front-panel protection, UV-resistance and salt-fog testing
• Integrated four-channel amplifier; 4 x 50W is a manufacturer-advertised peak output, not an RMS rating
• USB, Bluetooth and marine radio sources plus analog line-level input
• Square-style face with easy-to-operate marine buttons
• Dedicated stereo subwoofer RCA output with 80/120/160Hz low-pass filter
• Three equalizer presets

Technical Specifications

• 2.8-inch dot-matrix display
• AM/FM radio, EU/US regions
• USB playback and 1A USB function
• Stereo RCA auxiliary input
• Bluetooth 5.0 audio streaming
• Two stereo RCA preout pairs, front/rear
• Stereo subwoofer RCA preout
• 4 x 50W peak internal amplifier output
• IP66 front panel
• Face size: 126 x 114mm
• Panel cutout: 89.5mm diameter
• Mounting depth: 72mm
• U-bracket or four-screw panel mounting
• Optional HMC U1 remote

Compatibility

• Suitable for properly fused marine DC audio systems
• Optional HMC U1 remote supported; remote is a separate accessory
• External amplifiers must accept conventional RCA line-level outputs

Installation Notes

• Follow model-specific panel-cutout and mounting-clearance dimensions
• Connect power, speakers, antennas and any amplifiers per the Hertz wiring diagram
• Keep rear connectors protected from standing water; IP66 applies to the front panel