I have a Sound Amplifier Basic Audi AS4 - A6 - S6 - 4F- 4F0035223 connected to MMI MUTE INTERFACE MODULE SCORPION AUDI A6 C6 Q7 VA6600ECU. 04-11 . MODEL A6 C6 S LINE. Anybody who has a wiring diagram for amplifier ? I suppose MMI it's not important on audio terms.