ok all my audio stuff came in today. (12xxx,van gogh 1600,all the wire fuse etc) ok first off the amp has 2 power inputs 2 ground inputs and 2 remote turnons. how do i hook this up. im using 2 gauge power wire. i went ahead and hooked it up to just one set of power,ground,turn on. hooked rcas to in put. pluged in sub. the only thing i get is a very low sound out of it. cant even see it move. the amp was on and wasnt in protect or anything. so do i have to hook up both sets of power ground turn on and if so how. anyone can help?????