bose amp where is it?
good luck!
midrange are missing and the sound is very thin.
The car is A4 B8 2009 and there are 8 speakers and as far as I know it has MMI 2G (says Concert in audio unit). There is no amplifier unit in the trunk (left side).
i do not know if there are any errors but the driver side low door speaker rattles a little when I increase the volume.




