Alright, Heres the deal! I got 4 speakers and a Sub-woofer...I cant seem to get the two "back" speakers or "secondary" speakers to work...Only the woofer and the two Primairy speakers play any sound...If i hold the back to speakers up to my ear i can here there quit electric humm...so there getting power and what not...anyways! more help for the helpless! hehe thanks in advance!