©TREMOR Audio. All Rights Reserved. AUDI Facia, Harness and Antenna adapters: Importers and Distributors for various car audio fitment accessories, Europe, USA and East A3 96-99 A3 00-03 OT11-0204 OT11-1901 A3 >03 Single Din Concert OT11-0209 A4 <99 OT11-0207 A4 00-02, TT mk1, A6 Single Din Concert A4 >2002 Single Din Concert Audi A4 Symphony Double Din OT11-0206 OT11-0208 Audi A3 Symphony Double Din OT11-0201 OT11-0214 HARNESS AND ANTENNA ADAPTERS OT12-0706 OT13-5606 OT12-Audi RCA