BOSS Audio Systems MGR350B dashboard mount for easy on-the-go marine control.
BOSS Audio Systems MGR350B Bluetooth control panel for wireless music on deck.
BOSS Audio Systems MGR350B USB port for large music libraries and charging.
BOSS Audio Systems MGR350B front panel weatherproof design for splash protection.
BOSS Audio Systems MGR350B 4-channel amplifier outputs for rich boat sound.
BOSS Audio Systems MGR350B marine installation on boat for reliable connectivity.
BOSS Audio Systems MGR350B IPX6-rated waterproof rating guards against splashes.
BOSS Audio Systems MGR350B auxiliary input for flexible music sources.

BOSS Audio Systems

BOSS Audio Systems MGR350B Marine Gauge Receiver – Bluetooth, Weatherproof, USB

Free U.S. shipping and free 30-day returns. Check the compatible models in the description below.

$179.70

In stock. Ships free, usually within 1–4 business days.

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Check the listed compatible models and specs before you order. Questions? Email us.

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Free tracked shipping on every order. Most orders arrive within 3–8 business days.

Free 30-day returns

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Return eligible items within 30 days of delivery for a full refund. We email you a prepaid return label.

Peak-demand shipping delays

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During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

Email support

Questions about fit or an order? Email nexoltic@gmail.com. We reply on business days (Mon–Fri).

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Product details

All-in-one marine stereo control

The BOSS Audio Systems MGR350B is a compact marine gauge receiver that blends modern connectivity with rugged, vessel-ready design. It’s a Bluetooth head unit without a CD/DVD drive, streamlined for streaming, tuning, and AM/FM listening while you’re on the water.

Smart connectivity for on-water days

  • Bluetooth streaming lets you play from apps and your personal library while you steer and socialize on deck.
  • USB port and auxiliary input give quick access to a vast music library and convenient device charging while you cruise.

Ready for the elements

  • Front panel UV coating and a conformal coated PCB help resist sun glare and moisture.
  • IPX6 rating protects against splashing water, helping you enjoy tunes rain or shine.

Room-filling sound with flexible wiring

  • 60 watts per channel across four channels powers speakers with clear, balanced sound.
  • Front and rear pre-amp outputs plus a subwoofer output support a customized setup for your boat.

Compact, boat-friendly design

At roughly 3.5 by 3.5 by 3.8 inches, the unit fits many dash layouts. Professional installation is recommended to ensure proper and safe operation.

Warranty and support

In addition to the MGR350B, you’ll benefit from a 3-year platinum online dealer warranty when the purchase is made via Amazon, reflecting BOSS support for marine installations.

FAQ

Q: Is the MGR350B compatible with other boat audio systems?

A: It offers front, rear, and sub-amp outputs plus Bluetooth, USB, and AUX inputs for flexible setups; compatibility depends on existing speakers and installer recommendations.

Q: Does the MGR350B withstand marine conditions?

A: Yes. It features an IPX6 rating and a UV-coated front panel designed to resist splashes and sun exposure.

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