Hertz HMR 20 2-Zone Color Display IP66 Marine Digital Media Receiver with Bluetooth 5.0, USB & AM/FM Radio, 4 x 50W Max (78333025)

The Hertz HMR 20 is a marine digital media receiver with a 3-inch color TFT IPS 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 2 independently controlled audio zones 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
• Two stereo RCA zone outputs; dedicated subwoofer RCA output with selectable low-pass filter
• DAB+ radio ready with optional module
• Battery-voltage display
• Four factory EQ presets
• Multicolor button backlighting

Technical Specifications

• Two-zone control
• 3-inch TFT IPS display
• AM/FM radio, RDS where available
• USB playback
• Stereo RCA auxiliary input
• Bluetooth audio streaming with ID3 track information
• 4 x 50W peak internal amplifier output
• IP66 front panel
• Unit body: 146 x 105 x 132mm (W x H x D)
• Panel opening: 120 x 50mm
• Mounting depth: 98mm
• 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