i go alpine type r speakers in front and back. i got a 450 amp. if i remember rite for my speakers. and just a 850 for my subs. ( i had insurance moeny to blow. sense my old system got stolen. lol i dont no how much u got to spend on this.) im not looking to run 500rms on the subs. on my amp just turned on the lowest setting it can hit hard enough. lol they sound reallly really good tho