BOSS Audio Systems

BOSS Audio Systems MGR300B Marine Boat Stereo Gauge Receiver - Bluetooth No CD DVD Player AM FM Radio

4.4(162)
$132.95

151+ bought in the past month

About this item

  • Bluetooth - Play and control music through your smartphone or MP3 player as well as apps like Spotify / Pandora, wirelessly
  • Weatherproof - The MGR300B has been outfitted with the latest weatherproofing techniques such as PC board with conformal coating. It has an IPX5 water resistant / dustproof rating for protection against splashing water and dust
  • Illuminated Controls - Let there be night! Navigate through the system with ease after the sun goes down with the backlit panel
  • Inputs - The USB port provides a vast audio library. Charge USB compatible devices. The auxiliary input is compatible with audio output from smartphones and MP3 players
  • Outputs – One pair of RCA Pre-Amp
  • Specs - Dimensions: 3.73” x 4.53” x 4.53”, Weight: 1.34 lbs., Switchable US & EU Tuner Frequencies, 60 Watts × 4 Channels
  • BOSS Audio Systems provides a powerful 3-year platinum online dealer warranty so long as the purchase is made through Amazon.com. We strongly encourage professional installation of this product to ensure proper and safe functionality
$132.95

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Product details
BrandBOSS Audio Systems
Connectivity TechnologyAuxiliary, Bluetooth, USB
Controller TypeAndroid, iOS
Special FeatureBuilt-In Bluetooth
Compatible DevicesAndroid, Smartphone, iPhone
Connector TypeRCA
Audio EncodingWindows Media Audio (WMA)
Audio Output ModeStereo
ColorBlack
Product Dimensions3.73"D x 4.53"W x 4.53"H

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Customer reviews

4.4162 ratings
  1. 5★75%
  2. 4★13%
  3. 3★0%
  4. 2★0%
  5. 1★13%

Customers say

Customers find the marine stereo receiver to be a great product with decent sound quality.

★★★★★

Good craftsmanship!!

james—December 26, 2025✓ Verified purchase

Sounds great and easy to install! Has been on the boat for 3 years now and still working great! Read more

★★★★★

Works good

Kasey S.—June 4, 2024✓ Verified purchase

Installed on older wake boat. Easy to wire. Love that the wire harness has detachable clips for easy removal once hardwired. RCA outs work great for my sub. Using to power two 8” wake tower speakers. Love that it has a volume knob not volume buttons. Pairs up to phone right away automatically once powered on. Hopefully it lasts. After install it did get pretty warm after playing music at loud volume for an hour or two. Read more

★★★★★

Great buy

Logan—October 8, 2025✓ Verified purchase

Works very well, only complaint is I cant turn leds off while turned on. Read more

★★★★★

What's not mentioned

Farquest—October 15, 2022✓ Verified purchase

This little unit is perfect; price, sound and fit and finish. This has a beauty ring where it can be solidly mounted from the front and then the screws can be concealed. What was not mentioned, it comes with a rubber protection cover for when storing.. Sound is very good especially since I am running a four channel amp. The price is just right. The only question will be how long it will last but for the price, it can be replaced very easily. Read more

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★★★★☆

Clean install in a canam defender max limited

Bruno—February 23, 2025✓ Verified purchase

Just installed with a set of marine speakers in our canam defender max limited. The output seems like more than adequate for our needs. I noticed that the volume on Bluetooth is slightly lower than the volume on fm radio, but not a dealbreaker. The unit seems to have persistent storage that does not require a constant power feed to save settings, etc, which is a huge plus when installing in a defender. Was able to mount in the overhead trim and use the factory installed bus bar for keyed power. For fm radio, an antenna needs to be purchased separately. The silicone face cover and volume dial were some of the features that made me choose this over other units. Would recommend and use for future installs. Read more

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★★★★★

Can-Am Commander Limited

Customer—April 30, 2024✓ Verified purchase

I installed this in my 2017 Can-Am commander limited. It had a factory radio with no Bluetooth. To install I eliminated the factory amp above the glove box completely. I unplugged the harness from that amp and plugged it directly in. Also there was 2 wires that didn't get power with the harness so I cut the ground and positive off the can-am harness then spliced them together with the 3 positives on the boss harness and the ground to the ground. Works great. I also used heat shrink tubing around the connections I made. Read more

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★☆☆☆☆

Quit working the first time i rode my buggy in the trails

Kurtis S.—November 28, 2024✓ Verified purchase

Definitely not as weatherproof as they say it is the only thing we did was splash some water on it and it quit working. I could understand if it was submerged, but it wasn’t. It just got a little bit of water on the backside the very first time we rode the buggy out in the trails. Read more

★★★★★

Great radio

Customer—May 12, 2025✓ Verified purchase

Works as it should. Read more

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