




Couldn't load pickup availability
MB Quart GMR-LED Nautic 160 Watt Powered OFF-ROAD & Marine Multimedia Source Unit.
| Manufacturer | MB Quart |
|---|---|
| Manufacturer SKU | GMR-LED |
| Application | Marine & Powersports |
| Weight | 1.9 lbs |
| Type | Source Unit |
| Brand | MB Quart |
| Series | Nautic |
| Category | Marine, Powersports, RV |
| Condition | New |
| Color | Black |
| Crutchfield Available | Yes |
| Crutchfield Link | https://www.crutchfield.com/p_049GMRLED/MB-Quart-GMR-LED.html |
| Warranty | 1 Year |
| IPX Rating | IPX67 |
| Source Unit Tuner Section FM Stereo Frequency Range | 87.5MHz-108MHz |
| Source Unit Tuner Section S/N Ratio | > 55dB |
| Source Unit Bluetooth Range (ft) | 32 |
| Source Unit RMS Power Output (watts) | 4 x 20 |
| Source Unit Peak Power Output (watts) | 4 x 40 |
| Source Unit S/N @1W | 81.2dBA |
| Source Unit Frequency Response (Aux In) | 20Hz-20kHz |
| Source Unit Pre-amp Outputs (Y/N #) | 1 CVBS Video Output, 3 Pair Front/Rear/Subwoofer, Yes |
| Source Unit Pre-amp Voltage | 4.0V |
| Source Unit Minimum Impedance (ohms) | 4 |
| Source Unit Display Type | 3.3 inch full color round LED panel |
| Source Unit Dimensions Mounting Hole (in) | 3.12 |
| Source Unit Dimensions Total Mounting Depth (in) | 2.87 |
| Additional Details | 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 -76.2dBA / Aux -86.4dBA, SIGNAL TO NOISE RATIO OF LINE LEVEL OUTPUTS (AT MAX VOLUME): Bluetooth -76.2dBA / 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 |
| Proposition 65 Notice | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Marine Grade Protection / IPX Rating | Meets or excceds IPX67 requirments 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 | 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. |
| 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. |
| Additional Inputs | 1 Pair (Aux), 1 USB, 1 Composite Video (Camera) |
| 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. |
| Additional Features | 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. |
| View/Download (2.6 MB) | MB Quart Nautic Source Unit (GMR-LED) Installation Manual (Rev1.0) |
| View/Download (3.2 MB) | MB Quart GMR-LED Firmware Update (v4.40) |
| View/Download (3.7 MB) | MB Quart GMR-LED Firmware Update (v4.50) |
| Additional Info & Notes | Firmware v4.40 Release Notes Fixes for: Subwoofer crossover settings not staying where they were set. Firmware v4.50 Release Notes Fixes for: Adding selection of RF Remote On/Off Feature. Only compatible with 2019 and newer radios. |
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.




