The idea is that a large amount of DC through a length of wire will create a sort of electromagnet, which would interfere with your signal. But it would takes tons of power and the shielding on the signals and the power wire should pretty much knock down any interference.
Hey guys. Figured Id check this place out since *** confuses the hell out of me. But Ive been on the J-Body forums for awhile. I have a Sundown SAZ-1000D and an Alpine Type-R 15 dual 2 ohm. Im hitting 139.7 db on a daily system tuned to 33hz. So ya thats me.