hey i did this before i didnt feal like reading all the posts on here so if im sayin somethin someone has said then forgive me but i did it with the amp wired to a car battery and the battery hooked to a battery charger and ran the rca's to my car cd player(also wired to the same battery) lol it actually made cups rattle on the wall in my kitchen but i had 4 12's hooked up haha