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BOSS AUDIO

BOSS Audio Systems Marine Boat Stereo Sound System Head Unit

$189.99

SKU: B06I MGR300B

In Stock
In Stock
Ships by Aug 1
Free Shipping over $100
Non-Returnable Item

Description

Part #: MGR300B

AM/FM Receiver with switchable US & EU tuner frequencies.

MIA's Description

The BOSS AUDIO MGR300B is a marine gauge receiver designed for outdoor use. It features an AM/FM receiver with 12 FM tuner presets and a switchable US & EU tuner frequency. This unit is PX5-rated for weather resistance and dustproofing, with illuminated soft-touch buttons and a conformal coated PCB for durability.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBOSS AUDIO
Part NumberB06I MGR300B

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Best Marine Stereo 2025 - [don’t buy one before watching this]
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How To Install A Boss Audio Radio System In Your Boat
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Boss Pairing

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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