Boss MRH7

Universal waterproof marine housing with cover

Item #: 104MRH7

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4 Reviews

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A safe harbor for your marine receiver

If you want to upgrade the audio system in your boat, but don't have enough space for an "in-dash" receiver, this MRH7 waterproof radio housing from Boss is the ideal solution. It'll house and protect a wide selection of single-DIN (2" tall) marine receivers, and the universal mounting bracket makes it easy to install in the best spot on your boat.

This rugged, marine-rated housing is made for life on the water. The UV-stabilized ABS plastic housing won't crack or fade in broiling sunlight, while the poly-carbonate tinted front panel and heavy-duty gasket protect your receiver from salt and spray. Boss even includes external wiring for connecting your power, speakers, and amp, so water can't get in.

Receiver not included.

Product Highlights:

  • houses and protects single-DIN (2" tall) marine receivers
  • poly-carbonate tinted front panel
  • UV-resistant exterior
  • impact-resistant ABS plastic housing
  • sealed with heavy duty gasket
  • adjustable universal mounting bracket
  • external wiring for power, speakers, and preamp
  • receiver not included
  • warranty: 1 year
  • Our 60-day money-back guarantee

Boss MRH7 Reviews

Average Customer Review:

4 reviews
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tight case...

Written By tight case..., Colorado on Friday, September 11, 2015

Crutchfield Customer Review (What's this?)

this is a tight little marine case..easy to install, built well, and l@@ks good...

Pros: price, looks

Cons: none..

Great enclosure for boat radio

Written By DaveT, Michigan on Tuesday, June 30, 2015

Crutchfield Customer Review (What's this?)

Used this enclosure for a new receiver I installed on our old cabin cruiser. Looks great and does a nice job protecting the radio. Nice quality for the price.

Pros: Has good weather seal for front door, housing and all wiring.

Cons: Can be a little tight to fit the radio and all wiring but with a little finesse, it all goes together. Gimbal mount is not quite as solid as I would like but I'm sure it will be just fine.

Boat radio enclosure

Written By Riverfurm, Washington Crossing Pennsylvania on Monday, June 15, 2015

Crutchfield Customer Review (What's this?)

Nice weather proof radio enclosure

Pros: Easy to install radio

Cons: Bracket a little on the flimsy side

Boss MRH7

Written By Steve M., Kailua, Hawaii on Wednesday, January 28, 2015

Crutchfield Customer Review (What's this?)

Stylish, clean looking, ideal for marine applications

Pros: Watertight, easy installation

Cons: None

Hands-on research

What's in the box?

Download owner's manual

  • Housing
  • Hinged cover
  • Wiring/preamp harness
  • Bracket
  • 2 Knobs
  • Rubber gasket
  • 2 Foam gaskets
  • Six 0.3125" self-tapping screws
  • Four 0.625" self-tapping screws
  • Four 0.75" self-tapping screws
  • Two M4 x 14mm machine screws
  • Warranty Card

Product Research


Universal Marine Waterproof Radio Housing & Cover: The Boss MRH7 universal water-resistant radio housing & cover protects your car stereo receiver in marine applications. The MRH7 features a UV stabilized, impact resistant ABS plastic housing which is waterproof sealed with a heavy duty gasket. The MRH7 also features a poly-carbonate tinted, waterproof sealed hinged cover. All hardware is stainless steel and rust proof.

Single-DIN Size: The Boss MRH7 universal water-resistant radio housing & cover fits most single-DIN sized aftermarket marine head units.

Hinged Cover: The MRH7's hinged cover folds down to protect your aftermarket marine head unit and folds up to allow you to access your head unit's front-panel controls.

Mounting Bracket: The Boss MRH7 includes a universal mounting bracket which allows you to attach the water-resistant radio housing & cover to a flat surface of your boat or vessel. Once installed, the bracket lets you angle the housing & cover up and down for better visibility and operation.

Wiring Hookup: The MRH7 universal water-resistant radio housing & cover includes a wiring harness, RCA output, and antenna hook-up for your aftermarket marine receiver.

  • Power/Ground: +12V Constant (yellow), +12V Accessory (red), Ground (black)
  • Front Speakers: Left Front + (white), Left Front - (white/black), Right Front + (gray), Right Front - (gray/black)
  • Rear Speakers: Left Rear + (green), Left Rear - (green/black), Right Rear + (purple), Right Rear- (purple/black)
  • RCA Outputs: Two pairs (4-Channel)
  • Antenna: Motorola connector


  • Overall: 9.125" (w) x 4.1875" (h) x 10.1875" (d)
  • Housing: 9.125" (w) x 4.0625" (h) x 8.3125" (d)
  • Cover: 9.125" (w) x 4.1875" (h) x 1.9375" (d)
  • Head Unit Opening: 7.165" (w) x 2.075" (h) x 7.365" (d)

Our Product Research Team

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