Audi TT Stereo Facia Adapter Mk1 8N for Single DIN Head Unit
Bluetooth USB with iPod & Aux option Audi TT 2002-2006 Dension GBL3 AU2 - YouTube
Doble Din Radio Fascia For Audi Tt (8n) Stereo Audio Panel Mount Installation Dash Kit Adjusting Frame Adapter Carav 11-004 - Universal Car Bracket - AliExpress
MK 1 AUDI TT AFTERMARKET RADIO STEREO SWAP TO REPLACE BOSE CONCERT - YouTube
Audi ISO radio adapter harness with CANbus ignition (for Symphony and Bose radios) - InCarTec
CT23-AU04 AUDI STEREO ACTIVE SYSTEM ADAPTER HARNESS LEAD FITS A2/A3/A4/A6/A8/TT | eBay