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MB Quart - 4 Circuit 20A Relay Bank with Plug & Play Capability for 12V Circuits - Black

Model: GMR-RB4
SKU: 11079625
$149.99
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Specifications
  • Amplifier Class
    D
    Number Of Channels
    2
    Bass Boost
    Variable
  • Key Specs
    • Amplifier Class: D (An amplifier's mode of operation, specifically the conditions in which its electrical current flows for the duration of an audio signal, determines its class. Each class has its strengths and weaknesses when it comes to power efficiency, levels of crossover distortion, and overall sound quality.)
    • Number Of Channels: 2
    • Bass Boost: Variable (Circuitry that boosts the bass response of the amplifier, improving audio reproduction enhancing the sound of low frequencies. Fixed boost means the level of bass response is preset, whereas variable boost allows the user to make adjustments.)
  • General
    • Brand: MB Quart
    • Model Number: GMR-RB4
    • Product Name: MB Quart 4 Circuit 20A Relay Bank with Plug & Play Capability for 12V Circuits
    • Color: Black
  • Audio Power
    • Amplifier Class: D (An amplifier's mode of operation, specifically the conditions in which its electrical current flows for the duration of an audio signal, determines its class. Each class has its strengths and weaknesses when it comes to power efficiency, levels of crossover distortion, and overall sound quality.)
  • Audio
    • Number Of Channels: 2
    • Bass Boost: Variable (Circuitry that boosts the bass response of the amplifier, improving audio reproduction enhancing the sound of low frequencies. Fixed boost means the level of bass response is preset, whereas variable boost allows the user to make adjustments.)
  • Dimensions
    • Product Height: 2 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
    • Product Width: 4.19 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
    • Product Depth: 6.87 inches (The out of box depth of the item. Depth is measured as the distance from the front of the item to the back as it would be primarily used or placed.)
    • Product Weight: 0.8 pounds (The out of box weight of the item.)
  • Warranty
    • Warranty - Parts: 1 year
    • Warranty - Labor: None
  • Other
    • UPC: 806576235088

Easily manage and control your 12V accessories with the MB Quart GMR-RB4 4-Circuit 20 Amp Relay Bank, designed for seamless integration and simple setup. Built for use with the GMR7V1 Source Unit (sold separately), this relay bank delivers powerful plug-and-play capability, giving users full digital control of up to four separate 12V circuits. Ideal for marine, off-road, or custom vehicle applications, the GMR-RB4 offers a reliable and professional-grade solution for powering lights, pumps, fans, or any other 12V accessory with ease.Installation is straightforward with a simple three-wire connection. Just plug the included male JST connector into the GMR7V1’s ‘AUX TRIGGER’ port, then provide 12V power and ground via an 8 AWG wire (80A fuse required on the power wire). Each of the four independent circuits supports up to 20 amps max, offering plenty of power for a wide range of devices. Connecting accessories is quick, with clearly labeled terminals and simple 12V power/ground wiring.What sets the GMR-RB4 apart is its built-in LED fuse indicators—a glowing red light instantly identifies a blown fuse while the circuit is still loaded, taking the guesswork out of troubleshooting and ensuring quick, hassle-free maintenance. Whether you're adding off-road lights, air compressors, or audio components, the GMR-RB4 is your all-in-one solution for safe, clean, and efficient 12V power distribution. Get total control and a streamlined installation with the MB Quart GMR-RB4 Relay Bank—built for performance and engineered for simplicity.

  • MB Quart 4 Circuit 20A Relay Bank with Plug & Play: Seamlessly connects to the GMR7V1 Source Unit (sold separately), allowing full digital control of up to four 12V accessories
  • MB Quart 4 Circuit 20A Relay Bank with Plug & Play: Seamlessly connects to the GMR7V1 Source Unit (sold separately), allowing full digital control of up to four 12V accessories
Whats Included
  • MB Quart 4 Circuit 20A Relay Bank with Plug & Play Capability for 12V Circuits
  • MB Quart 4 Circuit 20A Relay Bank with Plug & Play Capability for 12V Circuits
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MB Quart - 4 Circuit 20A Relay Bank with Plug & Play Capability for 12V Circuits - Black
MB Quart - 4 Circuit 20A Relay Bank with Plug & Play Capability for 12V Circuits - Black

Easily manage and control your 12V accessories with the MB Quart GMR-RB4 4-Circuit 20 Amp Relay Bank, designed for seamless integration and simple setup. Built for use with the GMR7V1 Source Unit (sold separately), this relay bank delivers powerful plug-and-play capability, giving users full digital control of up to four separate 12V circuits. Ideal for marine, off-road, or custom vehicle applications, the GMR-RB4 offers a reliable and professional-grade solution for powering lights, pumps, fans, or any other 12V accessory with ease.Installation is straightforward with a simple three-wire connection. Just plug the included male JST connector into the GMR7V1’s ‘AUX TRIGGER’ port, then provide 12V power and ground via an 8 AWG wire (80A fuse required on the power wire). Each of the four independent circuits supports up to 20 amps max, offering plenty of power for a wide range of devices. Connecting accessories is quick, with clearly labeled terminals and simple 12V power/ground wiring.What sets the GMR-RB4 apart is its built-in LED fuse indicators—a glowing red light instantly identifies a blown fuse while the circuit is still loaded, taking the guesswork out of troubleshooting and ensuring quick, hassle-free maintenance. Whether you're adding off-road lights, air compressors, or audio components, the GMR-RB4 is your all-in-one solution for safe, clean, and efficient 12V power distribution. Get total control and a streamlined installation with the MB Quart GMR-RB4 Relay Bank—built for performance and engineered for simplicity.

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Pros for MB Quart - 4 Circuit 20A Relay Bank with Plug & Play Capability for 12V Circuits - Black
There were no pros for this productThere were no pros for this productThere were no pros for this productSound Quality, Apple CarPlay, Ease of use, Backup Camera, Installation
Cons for MB Quart - 4 Circuit 20A Relay Bank with Plug & Play Capability for 12V Circuits - Black
There were no cons for this productThere were no cons for this productThere were no cons for this productRadio

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