2002 audio buzzing problem

Sometimes when playing radio or CD's, I get buzzing noise like the speakers are blown but it doesn't do it all the time? Is it the speakers, antenna, or wiring connection? I would appreciate any help.:banghead:

I've got the same problem, I've adjusted my speakers to every individual speaker with the bass high trble low and played a song with some good bass hits and found my left rear speaker is either loose or blown because it only does it every now and then when the bass hits hard. Try that out, and when one of these days when the weather gets nice I'll investigate mine more. Good Luck