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MB Quart GMR-1.5W Marine digital media receiver with Bluetooth® (White)

Item # 049GMR15W

This rugged digital media receiver lets you enjoy your music in the outdoors.

This rugged digital media receiver lets you enjoy your music in the outdoors.

California customers:
Please click here for your Proposition 65 warning.

Item # 049GMR15W

In stock
$119.99

Other options

About the MB Quart GMR-1.5W

Jon Paul

Simply terrific

Just because receivers can be complicated doesn't mean they have to be. MB Quart's Nautic Series GMR 1.5 digital media receiver is a no-frills unit that's made to let you enjoy your music on your boat or UTV. It fits into a standard gauge cutout, it's designed for off-road use, and it works with Apple and Android devices.

Simply terrific

Just because receivers can be complicated doesn't mean they have to be. MB Quart's Nautic Series GMR 1.5 digital media receiver is a no-frills unit that's made to let you enjoy your music on your boat or UTV. It fits into a standard gauge cutout, it's designed for off-road use, and it works with Apple and Android devices.

Built-in Bluetooth with Secure Simple Pairing™ makes it easy to pair up and get crankin'. You can also plug into the AUX and USB inputs to play direct from a music player. You'll control it all using a simple, easy-to-use faceplate that's backlit for nighttime viewing.

You can pump out plenty of sound, too. The GMR-1.5 sports a built-in 160-watt amplifier that can power up to four speakers. You can also add an external amp to power a subwoofer.

Available in Black or White to suit your UTV or boat.

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Product highlights:

  • Nautic Series marine digital media receiver
  • designed for marine and powersports use
  • built-in Bluetooth connectivity with Secure Simple Pairing
  • built-in amplifier: 4 x 40 watts peak power output
  • works with Apple and Android devices
  • inputs: rear AUX, rear USB
  • IP67-rated for water and dust resistance
  • fits into a standard gauge cutout
  • backlit faceplate
  • available in Black or White
  • mounting hole dimensions: 3.14"
  • mounting depth: 2.99"
  • warranty: 1 year
  • MFR # GMR-1.5W

What's in the box:

  • Marine digital media receiver (15A)
  • Trim-ring (pre-installed)
  • Wiring harness
  • U-bracket
  • 2 Screws
  • 2 Threaded-posts
  • 2 Nuts
  • Operator's Guide and Installation Instructions

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More details on the MB Quart GMR-1.5W

Stacey B.

Features & specs

Expandability
AUX Input RCA (rear)
Audio/video Input ---
USB Input Rear
USB Port Power 0.5A
Backup Camera Input No
Second Camera Input No
CarPlay No
Android Auto No
Siri Control No
Alexa Voice Control N
Android Control Yes
Memory Card Slot USB memory
Bluetooth Compatible Built-in
Satellite Radio Ready No
HD Radio No
Navigation ---
iPod Compatibility
Full size N/A
Nano N/A
Touch N/A
iPhone N/A
General
RMS Power (CTA-2006) N/A
RMS Power (Manufacturer) 16 watts
Peak Output 40 watts
RMS Power Bandwidth 1kHz
Preamp Outputs 1-channel
Sub Preamp Outputs Yes
Switchable Rear Preamp Outputs No
Video Screen No
Navigation App Compatible (iOS)
Navigation App Compatible (Android)
Preamp Voltage 4 volts
Screen Size 0
Screen Type N/A
Display Color N/A
Key Button Color Blue
EQ Bands None
Wireless Remote No
Steering Wheel Control Compatible No
Parts Warranty 1 Year
Labor Warranty 1 Year
Tuner
FM Sensitivity ---
European Tuning No
Seek/Scan No
Radio Data System No
File Playback
Music File Playback MP3
High-res Playback N

Product Research

Features

Marine Grade Protection: The MB Quart GMR-1.5 marine digital media receiver has been designed and tested against the outdoor and marine elements. It meets or exceeds IP67 requirements, meaning it is dust tight and waterproof. It can withstand immersion in water up to 1m (3.28') for 30 minutes.

Mounting Options: The MB Quart GMR-1.5 is a gauge-style marine receiver that requires a circular cutout measuring 3.125" (diameter) x 3.5" (depth). The unit secures in the 3" round opening and to your boat's bulk head using the included U-bracket or mounting screws. The front-panel of the unit measures 4.75" (diameter) x 1.375" (depth). The two screw holes are spaced 4.0625" apart.

Rotary Knob & Push-Button Control: A 3-way rotary knob and large push-buttons controls on the front-panel provider operation of the MB Quart GMR-1.5 receiver. The push-buttons are blue backlit, while the rotary knob is not backlit.

Note: This unit does not offer a front-panel display.

Bluetooth Audio Streaming: The GMR-1.5 offers built-in Bluetooth 4.0 with support for wireless audio streaming (A2DP), playback control (AVRCP), and secure simple pairing (SSP). You'll be able to listening to stored music files, music apps, and other audio content on your Bluetooth-enabled smartphone or tablet device through the MB Quart digital media receiver. You'll also be able to control basic playback functions, such as Play/Pause and Previous/Next Track. There is no display for song/artist/album info. You can pair multiple devices with the GMR-1.5, but only one device can be connected and used for playback at a time. When the unit powers up, it immediately connects to the last device connected. 

Note: This unit does not support Bluetooth hands-free communication (HFP) for making and answering phone calls.

USB Port: The GMR-1.5 features a rear-panel USB-A 2.0 port for connection of a USB MSC (mass storage class) device, such as a USB thumbdrive. You'll be able to playback MP3 music files stored your your compatible USB MSC device through the MB Quart marine receiver. You'll also be able to control basic playback function, such as Play/Pause and Previous/Next Track. The unit does not have a display to indicate song/artist/album information.

Note: This unit does not support USB media playback from Apple iOS or Android devices, USB hubs or card-readers, and computers or laptops.

Aux Input: The MB Quart GMR-1.5 marine receiver features a rear-panel Aux input that consists of female stereo RCA jacks for connection of an external audio source.

4-Channel Amplifier: The GMR-1.5 marine digital media receiver is equipped with a 16 watt (RMS) / 40 watt (Peak) x 4 channel amplifier to power two pair of 4-ohm marine speakers.

Subwoofer Preout: The MB Quart GMR-1.5 is outfitted with a single 4.0V subwoofer preout for connecting a subwoofer amplifier. The mono-RCA subwoofer preout offers independent level control. However, it does not have it own built-in low-pass crossover filter. You'll need a subwoofer amplifier or powered subwoofer with its own built-in low pass crossover.

No Tuner: The MB Quart GMR-1.5 is not equipped with a built-in AM/FM tuner.

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Customer Q&A

4 questions already asked

Q
Hello, can I connect a existing 4 channel amplifier and bridge 2 of the channels for a sub. And also control the sub gains with the sub +/- buttons?
walter  Mar 02, 2024
1 answer
A
Greetings Walter. Thank you for your question. If your amplifier is bridgeable, yes. To control your subwoofer, you would need to use the mono subwoofer preout on this MB Quart GMR 1.5B.
hogan  Mar 03, 2024 (Staff)
Q
Does this remote work for any Bluetooth radio?
jarrett  May 09, 2023
1 answer
A
This is not a remote, Jarrett. This MB Quart GMR-1.5B is a Bluetooth radio, with a built-in amplifier and a listed 40-watts x4 as the peak power output (no RMS listed). This has Bluetooth for source connection only (smartphone) and cannot send Bluetooth, only receive. It sounds like the MTX MUDBTRC Bluetooth remote in the link below is what you need, this can connect to any radio with aux inputs! https://www.crutchfield.com/p_236MUDBTRC/MTX-MUDBTRC.html
bo  May 12, 2023 (Staff)
Q
What color light does the head unit use for backlighting?
cweeks88  Apr 21, 2023
1 answer
A
Greetings Caleb, and thank you for your question. The backlighting is blue, and the letters on the source buttons lite up red when you are on that source.
hogan  Apr 21, 2023 (Staff)
Q
Does it need a constant B+ wire to retain pairing with Bluetooth devices?
william  May 17, 2023
1 answer
A
Greetings Bill, and thank you for your question. Yes it will need the 12v constant wire connected to the battery to retain memory.
hogan  May 17, 2023 (Staff)

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