Active System Adapters are used to maintain factory-installed sound systems.
This allows commercially available retrofit radios to be connected to the vehicle's own active system.
Car radios with ISO speaker output to active system and fully active BOSE system with mini-ISO connection (6-pin yellow or 20-pin black connector) 4 channels
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: AUDI