I see, thanks for pointing me in the right direction!

Hey everyone, I have a friend who owns a medium sized Bistro and is currently remodeling and wants to install a new speaker system. I want to help him out and save him money but don't know a huge amount about big systems like this. I'll just list the necessities of the project and then say...

  Let me start by saying I have literally no DJ experience and my audio experience is limited to installing subs and an amp in my car.   I plan to throw a huge party to celebrate all my friend's graduations at once as well as the beginning of summer. I have like 3 weeks to put this thing...