Car audio adapters Very handy car audio adapters which you might need when upgrading your car audio installation in your Audi! View cart “USB / Bluetooth interface for Audi MMI 2G HIGH” has been added to your cart. Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All Rear speakers & subwoofer adapter for Audi £135.90 Rated 5.00 out of 5Add to cart Fibre Optic Bypass Loop Diagnostic Connector [4E0973802] £72.77 Rated 5.00 out of 5Add to cart High input to RCA converter £74.46 Add to cart