hey whats going on...i dont see why u want to a system at the city anyways?...i have an alpine 9857 head unit...2 12" JL audio W3v2's and a JL audio 500/1 amp...3 layers of dynamat...and i bump really good...sony explodes are crap...if i recall the only kinda good thing at the city is maybe kicker....but anyways...and dont skimp on the wireing kit...G