hey, i have this problem, maybe not many people can answer but if you got ideas please assist. well, when i have my car running and i turn my system on you hear this weird like humming noise. i looked at the subs and they are vibrating, slitly, but vibrating causing a noise. when i turn my car of and put the radio on, it doesnt do this. does anyone know what the problem mite be?

dozer80464@aol.com

 

redo your grounds to the same point of the body. The "humming" I bet is RPM sesitive(higher RPM's more noise). go redo all the grounds to the same point, or the same part of the body.