speaker upgrade

  1. Lukecradd

    Upgraded speakers - sounds flat!

    Hey guys, I’ve just replaced my HU with an DSXA410BT x 4X55w and replaced the factory speakers with in phase xtc 13.2 in the front and xtc 10.2 behind the seats. I didnt touch the tweeters. My Z3 doesn’t appear to have and amp or factory Sub. There was an amp on the passenger door car. I’ve...