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Boss Audio MGR350B MP3/AM/FM Bluetooth Marine Gauge Style Receiver

Sorry, this product has been discontinued.

Boss Audio MGR350B MP3/AM/FM Bluetooth Marine Gauge Style Receiver

Get more power and performance out of your marine audio system with the Boss Audio 3 Inch Marine MP3/Radio Stereo Bluetooth ATV Boat Receiver. This receiver is great for cars, ATVs, UTVs, snowmobiles, boats, golf carts, coolers and much more. This 3 inch receiver has USB and Aux ports, as well as built-in Bluetooth so you can hook up your wireless devices or smartphone for even more audio magic. This receiver is rated at 240 watts (60 watts x 4 channels max). With switchable tuner frequencies, 1 channel weather band selections, and selectable preset EQ, this receiver is about to be you and your boat's new best friend.

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  • Plays USB, MP3, WMA, FM/AM
  • Compatible with Audio out from Smartphones and MP3 Players
  • USB Charging
  • Subwoofer Level Control
  • Weather Proof 60 Watts x 4 Max Power
  • Bass/Treble/Balance/Fader
  • RDS Tuner
  • Switchable US and European Tuner and Preset built-in EQ
  • USB, Aux, Inputs
  • Audio Front, Rear / Sub Pre Amp Outputs
  • Bluetooth Audio Streaming - play music and apps like Spotify/Pandora wirelessly

FM Tuner Frequency Range

  • USA: 87.5~107.9MHz
  • Europe: 87.5~108MHz
  • Asia: 87.5~108MHz
  • Australia: 87.5~108MHz
  • Usable Sensitivity: 12dB (S/N=30dB)
  • Bands: 2

AM Tuner Frequency Range

  • USA: 530~1710KHz
  • Europe: 522~1620KHz
  • Asia: 522~1620KHz
  • Australia: 522~1620KHz
  • Usable Sensitivity: 40dB (S/N=20dB)
  • Bands: 1

Weather Band Selection

  • CH.1: 162.400MHz
  • CH.2: 162.425MHz
  • CH.3: 162.450MHz
  • CH.4: 162.475MHz
  • CH.5: 162.500MHz
  • CH.6: 162.525MHz
  • CH.7: 162.550MHz
  • Bands: 1


  • BT: 4.0
  • BT Range: 33ft / 10m (Class 2)
  • BT Profiles: A2DP / AVRCP 1.3

USB Drive Media Supported

  • MP3
  • WMA
  • 65,000 Songs
  • 32GB / FAT 32
  • USB 2.0 High Speed
  • USB Output Voltage: 5VDC @ 1A

Integrated Amplifier

  • MAX Continuous Output: 240W (All channels driven)
  • PEAK Power Rating: 63W / channel
  • RMS Total Power Output: 150W
  • Channels: 4
  • Class: AB
  • Frequency Response: 20-25kHz
  • 4 Ohm stable


  • Chassis Dimensions (H x D x W): 0.79" x 3.75" x 3.5" (20mm x 95mm x 90.2mm)
  • Button Backlight Illumination: Red LED
  • Front/Rear RCA Preamp Output: 2V RMS
  • RCA Input Impedance: 10kohm
  • TFT: TN Type / Active Matrix


  • Power Source: 14.4VDC (10.8V ~ 16V allowable)
  • Grounding System: Negative Type
  • Maximum Current Consumption: 15A
  • 3-Way Protection Circuitry (thermal, overload and speaker short protection)
  • Unit Weight: 1.08lbs (0.52kg)
  • Storage Temperature: 5 degrees Fahrenheit to 113 degrees Fahrenheit (-15 degrees Celsius to 45 degrees Celsius)
  • Operation Temperature: 14 degrees Fahrenheit to 104 degrees Fahrenheit (-10 degrees Celsius to 40 degrees Celsius)
  • Replacement Fuse: 15A (Replace with ATG Fuse Type Only)

  • MGR350B Receiver
  • Metal Bracket
  • 2 x Hexagon Mounting Studs
  • 8 x M4 Secure Nuts
  • User Manual
  • Warranty Card
  • Facebook Card

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Why are you seeing the message now?

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Where can you get more information about Proposition 65?

Learn more from the California Office of Environmental Health Hazard Assessment (OEHHA) site here.