Active Sound retrofit for Audi A4 Avant B9 GG2-Fahrzeugtechnik

We offer the Active Sound System retrofit for the Audi A4 8W facelift. Once installed, you can choose from 10 different sound files. These can be further customized using a smartphone app. The stored sound files can be conveniently adjusted via the vehicle's driving modes.

We offer a wide range of active sound systems for many Audi models.