Hey guys, I know this topic has already been chewed X ma by… but I’ve been reading the same cable in all forums for weeks now, change mass point etc. etc. with me is the following test. when I have the car out comes a little bit out because boxing with a crack and as soon as I start, there’s this annoying whistle I’ve checked all the cable variations cables are laid separately (Chinese middle, before driver side, plus right) I’ve also already got a 2nd cable v asked mass of the battery to pick up that brings all nothing also a stop filter I tried God was thanks I got my money back that stayed even without success endstuff, all cables I have already exchanged to see if it’s on because cables is the 3rd car where I now install my system and it just doesn’t want to work! I’m really desperate I hope someone can give me a tip with which I could possibly still solve it! in short: chinch in the middle, Plus Bei driver, mass strap screw back bench (mass of battery has brought nix) cable and amplifier replacement just as little used….