The MB Quart GMR-RGBA 150 watt amplifier extends RGB signals while still being plug-and-play and controlled by the GMR-7V1 source unit (sold separately). This allows users to easily add, wire, and control additional RGB lighting. Compatible Vehicle Fitment Universal Compatible Product Models Directly plug-and-play with the GMR-7V1 Source Unit (sold separately), allowing users to add additional RGB lighting, while retaining control via the GMR-7V1's RGB lighting controls. Installation The GMR-RGBA has a simple four-plug connection. Connect the GMR-RGBA to the GMR-7V1 (sold separately) via the male JST connector to the female JST connector on the GMR-7V1 labeled 'RGB'. Provide 12V power/ground to the GMR-RGBA via the bullet connectors, and additional RGB lighting is added via the four wire RGB Plug. Other Features Quickly and easily know which fuse is blown via the glowing LED indicator that will light as long as a load is still connected to the circuit. Details & Specs Type GMR-7V1 Accessory Brand MB Quart Series GMR Category Marine, Powersports Condition New Color Black Warranty 1 Year Compatible Vehicles Universal Accessory Dimensions 2.75"" x 2.75"" x 1.25"" Proposition 65 Notice WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov