I'm trying to interface the Parrot MKi9200 into my Concert radio (A4 2002).
I tried a dension Gateway 100 unit but found a error message about charging
(Apple changed circuit to usb charging a while back only Dension never caught up).
Anyway I purchased a Parrot MKi9200 but now find out it only plays music through the front speakers. Does anyone have advice as to how to feed the amplifier for the rear from the