my truck has 5 1/2s in the doors, a 6X9 in the middle (btw you cant fit a 6X9 under the seat) surround speakers under the seat, a Fosgate 900W amp and a Fosgate 10" sub, soon the gas tank will be relocated and il have 2 more subs, but it sounds awesome! somebody stole my 5 1/2s so for now i have chinese speakers in my door