Hello! As I m new to any forum and really not a smart techie also, so please ignore and correct if I say something stupid. Actually m planning to make a mobile dj setup to play in medium size outdoor parties having 200-250 (sometimes more) people but I m lot confused over selecting the right stuff, by right stuff I don't mean brands (though they make a lot of difference) but right setup in context of power and quality. What I want is-four dual 15s (500 Watt continuous, 4 ohms) speakers (here in India duals are favorites), two self powered subs. Now I want to know that if I power my 4 duals with a single amp then what should be the specs of the amp and is it a good idea as I m planning to run all in stereo mode(series/parallel wiring)? Please also suggest add-ons like EQs, Crossovers, Conditioners, DSPs, sonic maximizers etc...that I would need.