Got a new headunit for my audi s3 it still had original Audi headunit in but i Am getting a whining from a rear speaker but its fine with original headunit, i can stop the whining but only get front speakers working. i have the correct audi adapter cable.
anyone else heard/come across this problem before?
been told could be bad earth? or speaker cable?
help please driving me crazy!!!
tried earth didnt seem to be that!