I have the Bose system fitted to my 06 A3 SE. For the past few days the system would randomly pop and all sound would stop. Turning the head unit off and on again would fix this but then it would happen again. I started the car yesterday and the pop happened right away but the sound would not come back. Today I got to the amp, unplugged it and plugged it back in and the sound come back..... Until I started the car. Unplugging and plugging the amp in fixes the problem but only for a few seconds or until I start the engine. Has anyone had this happen to them? Or know what the problem may be?