Audi introduced a number of changes to the A3 and S3 in 2008 when the 8P was facelifted. 

All the radio's were now bigger meaning all can be replaced with a double DIN or bespoke unit but there were 4 options of stock radio; Chorus, Concert, Symphony & the RNS-E navigation unit. Within these options were also sound option such as BOSE and the rear active system.