The Synergy Sound System is a beautiful piece of electronic engineering. Don't fuck it up.
The Mackie DFX6 Mixer may look complicated, but it's not if you follow the directions. First, ask a Synner who knows. Lacking that, here is the brief hook-up guide, and the complete user manual.
The JBL EON 15P-1 powered speakers pack a punch. They thunk. Just don't turn them up to max, please, or else they will crunk.