Only recently my symphony has been playing up for no reason from what I can work out.
At low volume in cd and fm mode the speakers work fine but once the volume is increased (8 - 10 value) the speakers crackle a bit and turn off for a moment and on again in this fashion.
There is rattling sound coming from the rear subs but still not 100% what could be the cause of this problem
Does anybody know any ideas I could try ?
Audi a4 2005 2.0 tdi s-line b7