I can't I already did it. Its pretty bad now cuz i always return my shit to get my money back for the warrenties and just buy something else so the guys in the road shop now make me plug it into the wall and blow it so they dont get it back and have to sell it open box. I had to blow my type E's so they left the road shop because there are cameras and they would get in trouble for helping me blow shit, and i plugged it into the wall and the damn things wouldnt blow, and damn they were loud. I was there for like 10 mins trying to blow these things til finally they started to smoke. Ahh good times at CC