Upper Deck Iowa State Ncaa Peterbilt Tractor Trailer "cb radio" Questions

The bass of my radio is feeding back thru my cb radio I think it's ether not grounded properly or the wires are not hooked up right. Just my opinon!

...might be receiveing a signal from another piece of like freqency equipment ie.cordless telephone,cb,or maybe cordless remote also new batteries are likely to be ...