doing.could i just be crazy or what? i have an old motorola console stereo that is unused and unplugged.last night the speakers on my computer made strange noises,screeching,static and i assumed it was from the cb radio in my friends truck who was in my yard at the time.noises also came from the old stereo. later that night i kept hearing strange sounds and when i tracked down the source it was the stereo,unplugged making sound. can you explain how that happened? i swear i am not making this up.