Hertz HMR 18 2-Zone IP66 Marine Digital Media Receiver with Bluetooth 5.0, USB & AM/FM Radio, 4 x 50W Max (78333001)

The Hertz HMR 18 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 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 independent stereo RCA zone output pairs
• Dedicated stereo subwoofer output, 80/120/160Hz LPF
• Three equalizer presets

Technical Specifications

• 2.8-inch dot-matrix display
• AM/FM tuner, EU/US regions
• USB playback and 1A USB function
• Stereo RCA auxiliary input
• Bluetooth 5.0 streaming
• Two zone-specific stereo RCA outputs
• Stereo subwoofer RCA preout
• 4 x 50W peak internal amplifier output
• IP66 front panel
• Panel cutout: 89.5mm diameter
• Mounting depth: 80mm
• 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