Boss Audio MGR300B Marine Stereo with AM/FM/BT/USB - MGR300B

Boss Audio MGR300B Marine Stereo with AM/FM/BT/USB - MGR300B

Marsoni

M251S

$131.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Boss Audio MGR300B Marine Stereo with AM/FM/BT/USB - MGR300BBoss Audio MGR300B Marine Stereo with AM FM BT USB MGR300B MGR300B Marine Stereo with AM FM BT USB The MGR300B stereo packs a lot of features into a compact round, gauge style design that fits into a standard gauge opening. Crank up some AM FM radio, or plug a compatible device into the rear USB Aux input. The large backlit LED display lets you see what you're hearing with just a glance, while the IPX6 rated water resistant face panel and big, easy to

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

New York, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025