having a problem with my subs.. whenever the deck is turned on.. the subs makes a popping sound rite away and it's fine after that ...but it's kinda annoying everytime it does that .. so can someone plz help .. is there any way to prevent it from happening...thanks all.. and also is there a way to prevent the deck from shutting off whenever i pump up the music.. do i need a new battery or is it the wiring?? thanks