MB Quart Polaris Off-Road Grade Audio
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Bluetooth Source Units

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MB QUART SOURCE UNITS AND CONTROLLER
MB Quart offers several solutions to put music into an audio system for boats, off road, RV and custom car builds.
 
GAUGE MOUNT RADIO
In our Gauge Mount Radio series or GMR, the top of the line is the GMR-LED. This multimedia powerhouse is an AM/FM/Bluetooth®, USB, and Mobile Entertainment Controller for OFF-ROAD & Marine applications.
 
Source Units
GMR-LED
 
For the RV enthusiast, we offer a compact Multimedia Digital Receiver, part number MDR2.0. This unit is perfect for an RV with enough power to a vehicle full of speakers and a dual audio zone control for fine tuning the audio throughout the vehicle environment.
 
Source Units
MDR2.0
 
Next are the GMR2.5 and GMR-3. These are technically advanced AM/FM bluetooth Source Units. These units are the most innovative ever offered by the MB Quart engineering team.
 
Source Units
GMR-3 installed in a Polaris RZR
 
The MB Quart Nautic GMR Marine & Powersports source units are the perfect solution for any vehicle that will be exposed to the elements. The GMR line has been extensively tested to be waterproof, dust proof and UV stable.

For applications where you only need the Bluetooth controller, check out the switch mounted N2-WBT. You will be shocked at the amount of tech we can pack into a small unit.
 
Source Units
All MB Quart bluetooth units include Quick Pair for simple connections to devices
 
The N2-WBT is a carling switch mount Bluetooth Controller with a Joystick Operation and a Pre-amplifier Output. This innovative design makes it perfect to slip into an available accessory switch in the dash of a boat, off road vehicle or custom car build.
 
Source Units
Bluetooth Joystick, actual size
 
FULL SYSTEM DESIGN
All MB Quart Nautic amplifiers are IPX certified which defines those marine amplifiers must use conformal coated PC boards to resist corrosion from salt spray & moisture.

To create the perfect system, choose from the following MB Quart categories to power your system:
 

GMR-LED Source Unit

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GMR-LED

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Part#: GMR-LED

Details:

MB Quart 160 Watt Powered OFF-ROAD & Marine Multimedia Source Unit
$349.99

Overview

Part #: GMR-LED | SKU: 806576229841 | Category: Bluetooth Source Units
Description
MB Quart OFF-ROAD & Marine Multimedia Source Unit with 160 Watt internal amplifier features AM/FM/Bluetooth

OFF-ROAD & Marine Multimedia Source Unit
160 Watt AM/FM/Bluetooth®, USB, Mobile Entertainment Controller

Bluetooth™ Connect & Quick-Pair
Quick and secure pairing of devices with your music library with album art displayed

USB Control
Easily connect smartphones, portable media devices and streaming services. iPod control allows full Apple® connectivity.

Dual Audio Zone Capability
Control volume in two different areas independently, such as passenger area and tower speakers

Radial Shift UX
Intuitive control navigation with master control and radial menu selection

Maximum Connectivity
Connect external amplifiers for speakers and subwoofers with six channels of connectivity.

Media Screen
On board 3.5 inch high-contrast LED screen to view media artwork and external camera input

LIFE SHIELD
Marine certified to IPX67 with large waterproof buttons

Specifications

Part #: GMR-LED | SKU: 806576229841 | Category: Bluetooth Source Units
  • RMS Power Output
    4 x 20 Watts
  • Peak Power Output
    4 x 40 Watts
  • Maximum THD+N at 4 Ohms
    81.2dBA
  • Efficiency At Full Power 4 Ohm (1kHz)
    0.639
  • Idle Current
    0.3A
  • Maximum Undistorted Preamp Voltage (With 20k Ohm Load)
    4 Volts
  • Signal to Noise (CTA-2006B)
    Bluetooth -76.2 dBA, Aux -86.4dBA
  • Signal to Noise Ratio Of Line Level Outputs (At Max Volume)
    Bluetooth -76.2 dBA, Aux -86.4dBA
  • Preamp Frequency Response (+/- 3.0dB)
    Bluetooth 20Hz-20KHz, Aux 20Hz-20KHz
  • Amplifier Frequency Response (+/- 3.0dB)
    Bluetooth 20Hz-20KHz, Aux 20Hz-20KHz
  • Stereo Separation (Aux Input)
    -64.1dB @ 5kHz
  • FM Mono Usable Sensitivity
    13dBf / 2.5μV
  • AM Mono Usable Sensitivity
    15 - 16μV
  • Minimum Impedance
    4 Ohms
  • Pre-amp Outputs
    3 Pair Front/Rear/Subwoofer, 1 CVBS Video Output
  • Audio Inputs
    1 Pair (Aux), 1 USB, 1 Composite Video (Camera)
  • Display Type
    The unit display features a 3.3 inch full color round LED panel
  • Dimensions Mounting Hole
    3.12 inches (7.93 cm)
  • Dimensions Mounting Depth
    2.87 inches (7.30 cm)
  • Tuner Section FM Stereo Frequency Range
    87.5MHz-108MHz
  • Tuner Section Signal to Noise Ratio
    >55dB
  • Bluetooth Range
    32 Feet (10 Meters)
  • Output Voltage
    2V Single Ended (4V)

System Includes

Part #: GMR-LED | SKU: 806576229841 | Category: Bluetooth Source Units
More info in development & coming soon!

Features & Benefits

Part #: GMR-LED | SKU: 806576229841 | Category: Bluetooth Source Units
  • Marine Grade Protection
    Meets or exceeds IPX67 requirements for water and dust proofing
  • LIFE SHIELD
    This product has been designed and tested against the elements. Waterproof, dustproof, snowproof or shockproof. Built to handle the outdoors
  • Apple® Control
    Quick control and access of iTunes collection with iPhone, iPod and iPad
  • Source Type
    AM/FM/Bluetooth® Enabled Gauge Mount Radio allows all access to radio stations and content from Bluetooth enabled devices
  • Input Types
    Bluetooth, RCA, USB nearly nothing the device can not play
  • Control Buttons
    Unit is adjusted by master knob and menu selection
  • Bluetooth® Connect
    Bluetooth® Connect allows your phone or other Bluetooth enabled device to be quickly paired to the controller without a complicated pairing process
  • Secure Simple Pairing™
    Quick and secure wireless connection between your Bluetooth enabled device. This reliable connection is impervious to outside interference, providing a lock-tight connection to your audio system
  • Quick Pair™
    No more frustration with trying to pair. When the unit powers up, it immediately connects to the last device connected. For a first time connection, you only have to select "MB Quart" from your Bluetooth menu and you are connected, QUICKLY
  • Built-In Power
    Four channels of output. These channels remain active when running external amplifiers (RCA Output) to run additional speakers in the vehicle
  • Control Method
    Unit is adjusted by master knob and menu selection
  • AM/FM Tuner Presets
    AM: 12 station, FM: 18 station
    AM1, AM2, FM1, FM2, FM3 each memorize 6 stations each
  • Frequency Range
    FM: 87.5 - 108, AM: 530 - 1710
  • RDS Information
    Yes
  • Weather Band
    Includes built-in weather band radio
  • Video Input
    RCA Style Connector (No Audio)
  • Video Input Trigger
    Single ground wire triggers video input
  • USB / Apple® / Charging Port
    1 - Panel mount USB
  • Bluetooth Version
    Version 4.0
  • Album Art
    Yes
  • User Presets
    Separate presets for radio functions by two users
  • Main Connector Type
    MOLEX connector for simple installation and removal of unit when needed
  • Dual Audio Zone Capability
    Control volume in two different areas independently, such as passenger area and tower speakers
  • Media Screen
    On board 3.5 inch high-contrast LED screen to view media artwork and external camera input from an optional backup camera

Technology

Part #: GMR-LED | SKU: 806576229841 | Category: Bluetooth Source Units
MULTIMEDIA DIGITAL RECEIVER
The GMR-LED is a Multimedia Digital Entertainment Controller with a 160 watt internal amplifier. The unit features AM/FM//Weather band, Bluetooth® and USB input options. The Digital Receiver was unveiled to anxious boat builders at the IBEX show in 2018. Now the RV industry, off road builders and marine enthusiasts are joining the installers choosing the GMR-LED for their installations.

Take a look at some of the specific features an technologies that will make it an ideal control system for audio system.
 
RADIAL SHIFT UX
The GMR-LED features a RADIAL SHIFT UX control system. This is an intuitive control navigation with master control and radial menu selections. Simply scroll the control to the desired feature, hit select, adjust and you are done.
 
RADIAL SHIFT UX – ICONS
There are 8 choices in the UX menu, each is assigned a specific icon: AM, FM and Weather band each have an icon, plus the inputs of Bluetooth, Auxiliary, USB and Camera each have a selectable icon. Lastly, is the “settings” option which is detailed clearly in the manual.
 
GMR-LED
 
RADIAL SHIFT UX – OPERATION
 
GMR-LED
 
USB CONTROL & INPUTS
Easily connect smartphones, portable media devices and streaming services. iPod control allows full Apple® connectivity.

The multimedia controller supports MP3, WMA, and WAV audio with a USB thumb drive connected. Additionally, M4A or Apple Lossless file types are supported.
 
DUAL AUDIO ZONE CAPABILITIES & EQUALIZATION
The GMR-LED includes an innovation equalization system. first, in the classic definition of an EQ, the engineers have included an 8 bands of EQ that you can customize with different settings. Beyond that, you have DUAL AUDIO ZONE operation. Think of the different areas of your vehicle. In an RV, it could be the Pilot seat vs the “way back” or the galley. In a boat, you can control the volume in two different areas independently, such as the captain/passenger area and tower speakers facing the skiers or wake surfers.
 
GMR-LED
 
BASS FREQUENCIES
To fine tune the subwoofer frequencies you have two controls. One to adjust the crossover frequency, with an internal adjustment that you access with the RADIAL SHIFT UX. The frequencies are at 80Hz, 100Hz and 120Hz. Next you can adjust the SUB level within the RADIAL SHIFT UX.
 
DUAL AUDIO ZONE
Adjust the relative volume level for the front/rear preamp outputs which will be connected to component amplifiers, from 0 to 40 on the RADIAL SHIFT UX. Here are a couple designs from the owners manual so you can see how to be optimize the DUAL AUDIO ZONE feature.
 
GMR-LED
 
INTEGRATED AMPLIFIER
The built-in amplifier will deliver 40 watts x 4 channels of power into your vehicle. That is 160 of total power. With quick heat dissipation the system can play loud and long for years of service.
 
MAXXIMUM CONNECTIVITY
With 4 volts output from the line outputs (RCA connectors) you can connect external amplifiers for speakers and subwoofers with six channels of connectivity.

Choose from several types of amplifiers in the MB Quart line of marine, off road and mobile amplifiers. From the compact NA2 line-up to the full marine options and of course, several choices of car audio amplifiers.

For speakers and subwoofers, you will decide if you need speakers hidden away into stock locations or more outdoor and off road options. Check out the full line of Nautic Speakers and Tower Speakers or more traditional car audio speakers. Of course the heart of music is hidden in the bass frequencies, that means subwoofers. MB Quart has that covered with waterproof Nautic and car audio subwoofers.
 
MEDIA SCREEN
On board 3.5 inch high-contrast LED screen to view media artwork and external camera input allows you to focus on controlling your vehicle and not straining to see what track you’re on. When the Camera icon is selected in the RADIAL SHIFT UX, the screen becomes a color display for the camera input. Cameras are not included with this unit. See the manual for details.
 
GMR-LED
 
BLUETOOTH CONNECT & SECURE SIMPLE PAIRING
Bluetooth Connect™ allows the GMR-LED Bluetooth Controller to easily connect Bluetooth enabled devices putting the music right at your fingertips. Secure Simple Pairing™ from MB Quart provides a quick and secure wireless connection between your Bluetooth enabled device and the Polaris Controller. This reliable connection is impervious to outside interference, providing a lock-tight connection to your audio system. The Bluetooth range is 10 meters or 32 feet.
 
GMR-LED
 
Life Shield
Life Shield
Rest assured, when you see the MB Quart Life Shield icon, you are choosing a product that is Waterproof, Dust Proof, Snow Proof and built to the highest standards.
 
GMR-LED
MIKE ELDRED TRIO
Download the newest from the Mike Eldred Trio at their website.

Support

Part #: GMR-LED | SKU: 806576229841 | Category: Bluetooth Source Units
Files & Manuals
Not yet available. In the meantime, please check out TEQ Support.


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