Skip to content

Boss Audio MGR350B Marine Bluetooth Receiver + 2 Pairs of 6.5" Speaker

Sorry, this product has been discontinued.

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
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
Authorized Dealer


200 Watts MAX and 100 Watts RMS Power Handling per Pair
Poly Injection Woofer Cone
Weather Proof Full Range 6.5" 2-way Speaker Pair
80 Hz to 20 kHz Frequency Response and 90dB Sensitivity
1 Tweeter Per Speaker
Authorized Dealer

FM Tuner Frequency Range
Europe: 87.5~108MHz
Asia: 87.5~108MHz
Australia: 87.5~108MHz
Usable Sensitivity: 12dB (S/N=30dB)
Bands: 2

AM Tuner Frequency Range
Europe: 522~1620KHz
Asia: 522~1620KHz
Australia: 522~1620KHz
Usable Sensitivity: 40dB (S/N=20dB)
Bands: 1

Weather Band Selection
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 Range: 33ft / 10m (Class 2)
BT Profiles: A2DP / AVRCP 1.3

USB Drive Media Supported
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)

General Specs
Speaker Type:
Full Range
Configuration: 2-Way

Physical Specifics
Woofer Size:
Supplied Grill
Tweeter Size: 1"
Mounting Depth: 2.44"

Performance Specs
Peak Power Handling:
200 Watts
System Sensitivity (1W/1M): 90dB
System Impedance: 4 Ohm
System Frequency Response: 80Hz to 20kHz

MGR350B Receiver
Metal Bracket
2 x Hexagon Mounting Studs
8 x M4 Secure Nuts
User Manual
Warranty Card
Facebook Card
4 x MR60W Speakers

What is Proposition 65?

California’s Proposition 65 protects California consumers by requiring special warnings for products that contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm where those products would expose consumers to such chemicals above certain threshold levels.

If a product description on this site directed you to this page, the warning for this item is:

WARNING: Cancer and Reproductive Harm -

Who is this message intended for?

Customers with a California billing or ship to address.

Why are you seeing the message now?

California implemented new guidelines for Proposition 65 warnings, effective August 30, 2018. These guidelines were applied to make the warnings more clear and reasonable.

Where can you get more information about Proposition 65?

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