hey guys, going to upgrade my sound system, just got some Infinitys in the front and back, now i want some subs, people told me to get Infinitys, what you all think? and what kind of amp? also i want a lot of bass, but not so much that it blows me out of my car or put me to sleep :sleep: should i get one big one or like 2 12 inch ones, for other people hearing it, dont matter to me