ive install a sony 7'' flip out reciever model number xav-7w in my 99 tlp, and will be installing the sony dvd/mp3/cd model number dvx-11a unit next along with a psp2 i guess first edition, no slim, and my question is how would the cd and psp2 be connected. the sony has 3 rca jacks. anyone with some info on dyi will be helpful please. also what size power inverter do i need for the psp2