Boss Audio - MGR300B Marine Stereo w/ AM/FM/BT/USB
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The Boss MGR300B Marine Stereo is a feature-packed digital media receiver designed in a compact round, gauge-style format that seamlessly fits into a standard gauge opening. Enjoy your favorite AM/FM radio stations or connect compatible devices to the rear USB/Aux input for versatile music playback options. The stereo's large backlit LED display provides clear visibility of the information, while the IPX6-rated water-resistant face panel and user-friendly controls are specifically designed to resist sun, salt, and moisture for reliable performance in marine environments.
With a peak power output of 240 Watts, the MGR300B marine stereo delivers robust and high-quality audio performance. The white LCD display features blue backlit illumination, ensuring easy readability in various lighting conditions. The stereo also features weather band functionality to keep you informed about the latest weather updates. The water-proof, conformal-coated circuit boards provide excellent protection against moisture, enhancing the stereo's durability. The package includes the stereo head unit, a silicone cover for added protection, mounting hardware, and an owner's manual. Additionally, this product is sold inpidually and offers a SiriusXM promotion, providing three free months of SiriusXM streaming service.
Shipping
We ship worldwide from the United States. Rates are calculated at checkout based on destination and package weight. Some items include free shipping, which will show automatically. Not every product is eligible for international shipping; checkout will confirm eligibility. We do not ship to PO Boxes except through USPS, and not all packages qualify.
Processing and dispatch
Most orders are verified, packed, and handed to the carrier within 1 to 2 business days. Some products may need extra handling time or ship directly from the manufacturer. For certain international orders, inventory transfers between warehouses may add time. If any delay is expected, we will let you know the dispatch date.
Delivery and tracking
Deliveries are handled by trusted carriers such as USPS, UPS, FedEx, and DHL. Estimated arrival times appear at checkout and depend on your location and the service you choose. These are estimates and can be affected by customs or carrier disruptions. A shipping confirmation with a tracking link is emailed when your order ships, and tracking may take up to 24 hours to update. You can also view tracking in your account.
Duties, taxes, and support
International customers are responsible for any customs duties, taxes, and fees charged by the destination country. If these charges are refused and a shipment returns to us, the carrier’s return cost and any re-entry customs fees will be deducted from the refund. If your order is late or you need help, contact cs@qualityboatparts.com and we will assist you.
Quality Boat Parts is a reseller. Many items include a manufacturer’s warranty, and all warranty service is handled directly by the manufacturer. We do not manage or administer warranty claims on behalf of customers.
Warranty terms, coverage, and duration are set by each manufacturer. Issues involving defects, repairs, or replacements must be addressed with the manufacturer’s support team. When available, the warranty period is listed on the product page. If it is not shown, contact us or the manufacturer for details before purchasing.
To start a claim, the customer must contact the manufacturer and follow their process. Keep your proof of purchase and original packaging, and register the product if the manufacturer requires it, as these are often needed for warranty service.
We are happy to help you find the right contact or documentation, but we cannot decide outcomes or intervene in claim resolutions. For guidance, email cs@qualityboatparts.com.