ACV Active system adapter Audi channel

Active system adapter Active system adapters maintain the function of the original Soundsystem. They enable the installation of standard aftermarket radios to the active speakers. For car radios with ISO-speaker output on active systems and BOSE full active system with mini-ISO-connection (yellow 6-pin or black 20-pin plug) 4 Channel Note: 4 channel amplified system Not compatible with partially active systems