Boss Audio MGR300B Marine Stereo with AM/FM, Bluetooth, and USB - Waterproof Gauge Style Radio

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 youre hearing with just a glance, while the IPX6-rated water-resistant face panel and big, easy-to-use controls are made to resist sun, salt, and moisture.

Features:

• The marine digital media receiver


• White LCD Display with Blue Back-lit Illumination


• Weather Band


• AM/FM with 18 presets


• Water-proof, conformal coated circuit boards

Technical Specifications:

• 240 Watts peak power


• Mounting hole - 3 Round


• Chassis type - Gauge style


• Presets - 12 FM/6 AM

In the Box:

• MGR300B Stereo head unit


• Silicone cover


• Mounting hardware


• Owners manual

*Sold as an Individual

The Boss Audio MGR300B marine stereo offers a compact, gauge-style design that seamlessly fits into standard gauge openings on boats and marine vessels. This digital media receiver features a large, backlit LED display with blue illumination, allowing you to easily view your radio station, track information, or Bluetooth status at a glance. Designed for marine environments, the MGR300B is equipped with an IPX6-rated water-resistant face panel and conformal coated circuit boards, ensuring reliable operation against sun, salt, and moisture exposure. Whether you're cruising or docked, this stereo provides high-quality audio with 240 watts peak power, delivering clear sound across your vessel.

The MGR300B supports AM/FM radio with 18 presets (12 FM and 6 AM), along with a weather band for critical updates during your voyage. It features Bluetooth connectivity for hands-free calling and wireless music streaming, making it versatile for modern marine entertainment needs. The rear USB and auxiliary inputs let you connect compatible devices directly, providing easy access to your playlist or podcasts. The large, easy-to-use controls are designed for quick adjustments even while underway, and the included silicone cover helps protect the unit when not in use.

Ease of installation is facilitated by a 3-inch round mounting hole, and the chassis maintains a sleek gauge style profile that complements most marine dashboards. The package includes the stereo head unit, mounting hardware, a silicone cover, and an owner’s manual, making setup straightforward. Built to withstand harsh marine conditions, the Boss Audio MGR300B ensures durable, high-performance audio for your boat, with all necessary features for an enjoyable and safe marine experience.

Features:

• Compact gauge-style marine digital media receiver

• Large backlit LED display with blue illumination

• Waterproof, IPX6-rated face panel

• AM/FM radio with 18 presets (12 FM/6 AM) and weather band

• Bluetooth for hands-free calling and wireless music streaming

• Rear USB and auxiliary inputs for compatible device connection

• 240 watts peak power for high-quality sound

• Conformal coated circuit boards for corrosion resistance

• Easy-to-use controls with large knobs and buttons

• Designed for standard 3-inch round gauge openings