dj set up

Hello everybody! My completely analog DJ setup looks like this: The problem is that there are a lot of controls I have to take into account: the volume of the mixer, the sub and the amp, as well as the crossover frequency of the sub. The relative volumes of the sub and the amp sometimes have...

I settled on a class AB crown XLI 2500 And so far I have 2 bookshelves I was using from an old 6cd changer system. They're pretty decent. But I'm looking for a few diamonds in the rough. Cost is an object, but also it isn't. Let's give it $2000-2500 for the speakers And $2000 for the sub...