Manage you MB Quart ring lights This compact remote control makes it easy to get the look you like on your MB Quart SR1 RGB LED ring lights . Use it to choose colors, or select from a variety of modes, including adjustable brightness, fade, speed, and strobe. More about MB Quart Three decades of marine and powersports audio expertise goes into MB Quart audio gear. Their receivers, speakers, amps, subs, and accessories are engineered to provide outstanding performance and all-weather reliability. The MB Quart “Life Shield” badge means your gear has been designed and tested to stand up to the toughest conditions on the water or off the beaten path.