//content.invisioncic.com/y282845/emoticons/suave.gif.858fc102f7646e678ee8af7e1fbc41d1.giftry swap it with another one and keep it wired the same, if another sub does the same thing, it's a wiring problem, if the same sub in a diff location in the box is still different than the rest, the woofer is most likely cooked