ive got a alpine cva 1000 and 12 disc changer for sale would like to get 550 out of it and ive got 4 soundstream 4 ohm 12's like to get 400 out of them and ive got 2 soundstream 10.2 both look great and work like new need to have at least 375 out of each and i also have a soundstream 1000sx i...