Hey whats up polksters! long time scince i got on! ok.....so lets get to the neety greety! ha ...wel as many of you may know i have the polk psw505 and was kind of disapointed in the beggining but now its been broken in and fills the room up with bass!! BUT knowing me a total bass head i want a bit more! would yal recomend me get a twin 505?! or klipsch sub 12 or bic pl200?! i want the room to fill up a bit more! if you know what i mean.......if i get a second sub will it be louder?! should i get a diffrent brand sub? and will it be a mistake?! ....k wel please and thank ya!