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HERTZ

Hertz HMR 20 Marine Gauge Style 3" Color Receiver AM/FM/USB Bluetooth

Hertz HMR 20 Marine Gauge Style 3" Color Receiver AM/FM/USB Bluetooth

$299.99 USD
$0.00 USD $299.99 USD
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Hertz HMR 20 is a purpose-built marine digital media receiver engineered for boats, UTVs, golf carts, and off-road environments where reliability, visibility, and clean sound matter more than flashy cosmetics. Its compact controller footprint, rugged weatherproof construction, and Bluetooth streaming make it a premium helm source for full marine audio systems.

Key Features

  • Marine-grade digital media receiver
  • Bluetooth streaming with wireless control
  • USB input for playback and charging
  • AUX input for wired sources
  • Subwoofer output for dedicated bass control
  • Rugged rotary encoder with large display
  • IPX6 weather protection
  • Compact flush-mount design for tight dash layouts

Performance

The HMR 20 functions as a true system hub rather than a lightweight add-on. Its amplified output is stable for running coaxials or components, while its dedicated subwoofer control output provides proper bass integration. The display is viewable in sunlight, and the control layout is tuned for gloved operation—ideal for boats and powersports.

Technical Specifications

Amplifier Type Marine-rated built-in amplifier
Power Output 50W x 4 peak @ 4Ω (typical marine rating)
Frequency Response 20 Hz – 20 kHz (media-source dependent)
Signal-to-Noise Behavior Low noise floor suitable for open-air listening
Bluetooth Streaming audio with front panel transport control
Inputs USB, AUX (3.5 mm)
Preamp Outputs Front/Rear/Subwoofer pre-out configuration
Display Sun-readable LCD with high-contrast interface
Weather Protection IPX6-rated front panel (boat washdown safe)
Chassis Compact flush-mount marine enclosure
Control Interface Large rotary knob for volume and menu navigation
Subwoofer Management Dedicated subwoofer level control via pre-out
Voltage Environment 12V DC marine/powersports system compatible
Application Scope Boats, UTVs, off-road builds, carts, open-air systems

Ideal Applications

  • Boats requiring rugged, simple source control
  • UTVs needing a small but capable head unit
  • Golf carts and off-road builds
  • Systems running amplifiers and subwoofers

What’s Included

  • Hertz HMR 20 Marine Digital Media Receiver
  • Flush-mount hardware
  • Wire harness
  • User documentation

Why Buy From MCOR Automotive

  • Authorized Hertz Marine retailer
  • 22+ years of marine & powersports audio installation experience
  • Expert tuning support for multi-zone and subwoofer setups
  • Trusted by boaters and off-road enthusiasts across Florida

HMR 20
Unit Size mm (in.) W 146 (5.75) x H 105 (4.13) x D 132 (5.2)
Mounting Hole size mm (in.) W 120 (4.72) x H 50 (1.97)
Mounting Depth mm (in.) 98 (3.86)
Mounting Method Screw
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