[ChrisZang]

Hi,

thanks for the advise. I started with the rear speakers (as this was the easiest to do, I still had the matching harness lying around from a different project) and it's a huge improvement. But now I am facing the dilemma that I have two pair of speakers (dash and doors) left and only one pair of amp outputs on the AVIC ....
So my plan is to drive the dash speakers via the built in amp from the AVIC and drive the door speakers with the OEM amp plus line driver pre-amp