Description
MB Quart GMR-7V1.2 7" Marine Touchscreen Source Unit
The MB Quart GMR-7V1.2 is a 7-inch waterproof touchscreen source unit designed for marine, powersports, and outdoor environments. Built with IPX67-rated protection and enhanced wireless connectivity, it delivers seamless smartphone integration, advanced audio control, and rugged durability for all-weather performance.
Wireless Connectivity & Control
- Wireless and wired Apple CarPlay® support
- Wireless Android Auto integration
- Bluetooth® 5.0 with Secure Simple Pairing™ and Quick-Pair™
- AM/FM/WB tuner with presets and RDS information
- 7-inch high-contrast touchscreen with master knob and control buttons
Audio Performance & Expansion
The GMR-7V1.2 features three pairs of 4V pre-amp outputs (front, rear, and subwoofer), enabling clean signal delivery for expanded audio systems. Dual-zone capability allows independent control of multiple listening areas, making it ideal for multi-speaker setups.
Fine-tune your system with a built-in 10-band graphic EQ and independent subwoofer level control with selectable low-pass filtering.
Inputs, Outputs & System Integration
- Two USB inputs for media playback and device connection
- Aux input and microphone input for expanded functionality
- Two camera inputs with independent trigger wires
- One video output (RCA, no audio)
- MOLEX connector for simplified installation and removal
Integrated Control Systems
This unit includes a built-in auxiliary switching system with four 300mA trigger outputs, allowing control of external accessories. An integrated RGB lighting controller (500mA max) enables lighting customization directly from the source unit.
Marine-Grade Durability
Engineered under MB Quart’s LIFE SHIELD standard, the GMR-7V1.2 meets or exceeds IPX67 requirements for water and dust resistance. It is built to withstand harsh outdoor conditions including moisture, dust, and vibration.
Installation & Fitment
Designed for universal applications, this unit features a mounting cutout of 6.5" x 8.25" and a shallow mounting depth of 2.5", making it suitable for a wide variety of marine and powersports dashboards.
Specifications
| Type | Source Unit |
| Display | 7" Full Color LED Touchscreen |
| IP Rating | IPX67 |
| Bluetooth Version | 5.0 |
| Bluetooth Range | 32 ft |
| Preamp Outputs | 3 Pair (Front / Rear / Subwoofer) |
| Preamp Voltage | 4.0V |
| Frequency Response (Aux In) | 20Hz – 20kHz |
| FM Frequency Range | 87.5MHz – 107.9MHz |
| AM Frequency Range | 530 – 1710kHz |
| Weather Band | NOAA (162.400 – 162.550 MHz presets) |
| Video Inputs | 2 (RCA, No Audio) |
| Video Output | 1 (RCA, No Audio) |
| USB Inputs | 2 |
| Aux Input | 1 Pair |
| Mounting Dimensions | 6.5" x 8.25" |
| Mounting Depth | 2.5" |
| Warranty | 1 Year |
Used Frequently Asked Questions
- What does used mean? Used products may be unused customer returns that are essentially "new" items, or they may be previously installed products that were returned under warranty or during our return policy period.
- What is the warranty? All of our used items come with a 90-day warranty.
- What's it look like? All of our used items are inspected and graded by our returns team at our facilities. They will test them and grade them to one of four standard gradings: Used Open Box, Used Very Good, Used Good, and Used Acceptable. Please see the following descriptions of each grade - also note that if an item falls under ANY of the criteria for a certain grade, even though the rest of the product is better, we will give it the lowest grade.
- Used Open Box An item in perfect working condition. Original protective wrapping may be missing, but the original packaging is intact and in good condition with minor damage possible. Instructions are included.
- Used Very Good A well-cared-for item with limited use, remains in good working condition. The item may show some limited signs of wear,small scratches,cosmetic blemishes. Item may arrive with damaged packaging or be repackaged and could be missing some accessories.
- Used Good The item shows wear from use, remains in good condition and functions properly. May have damaged packaging or be repackaged. It may be marked, have identifying markings on it, have minor cosmetic damage. It may be missing some parts or accessories.
- Used Acceptable The item is fairly worn but continues to function properly. While repackaged; signs of wear can include aesthetic issues; scratches, dents. The item may have markings on it or show signs of previous use. Item may be missing some parts or accessories.
- Have more questions? Call us, send us a chat, or an email. We'll be able to answer any additional questions you may have.