This head unit is nice if you just want a good overall sound system and just 1 amp not more than one and not for a sub u can't control the bass to the amp separate from your speakers so what ever your bass is is what your putting to your sub so if you got crappy door speakers and u put your bass all the way up your not going to be able to turn up your head unit for crap with out it sounding like crap just make sure if u run this head unit don't run a sub if u do plane on not running it to it's full output.