SKU: 6376453590

Boss Audio MGR300B Marine Stereo w/AM/FM/BT/USB [MGR300B]

$152.99 $169.99
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 26 - Jul 31

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Description

Boss Audio MGR300B Marine Stereo w/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 use controls are made to resist sun, salt, and moisture.

Boss Audio MGR300B Marine Stereo w/AM/FM/BT/USB [MGR300B]
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 6376453590

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4.3 ★★★★★
Based on 2030 reviews
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Product Reviews
W
Verified Purchase
Weekend Warrior
Alexandria, US
★★★★★ 3
Good Mount / Poorly Connected Magnet
Good product. It fits well on my Model Y screen. It worked fine for 3 months. but then the magnet became loose from the ring. I like the product so instead of discarding it thought of using glue to stick the magnet back to the ring. BUT it didn’t work. So now it has been a frustrating experience. I may choose to discard a product that has a strong mount, but the one important part (magnet) not working correctly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
A
Verified Purchase
Andrew
New York, US
★★★★★ 5
works great
works exactly as advertised. Tight fit, stable mount that doesn't allow the phone to move or fall out
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
B
Verified Purchase
Bartleby
Lowell, US
★★★★★ 5
The best Tesla phone mount
This is a great balance between effective "grabbing of the phone, visibility and a small mount that doesn't get in the way. The whole MagSafe mount sounds great in theory, but depending on the smoothness/slipperiness of the case the phone can bounce out of the mount, which is sub optimal for a variety of reasons. This gives your phone a stable platform while driving, is very durable and is very quick and easy to fit your phone into. It does a good job of attaching to the Tesla display without any messy adhesives and can be easily removed or repositioned without leaving residue. Highly recommended.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
R
Verified Purchase
Robert R.
Lowell, US
★★★★★ 5
Great quality
Nice cell phone holder. Made for Tesla. I use on a laptop. Exactly what I needed. Perfect!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
P
Verified Purchase
P.a
Massapequa, US
★★★★★ 4
The mount sticker might not be as sturdy
Everything worked well except for the sticker that might not be able to Cary the weight of some phones , their customer service was great and they sent me a new phone let’s see how it goes . Sasha
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026

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