Steve "That DJ Guy's" sound system includes 2 complete systems which include:

• 2 Pioneer CDJ-100S CD players
• Denon DF2000F Dual CD Player (back-up system)
• Pioneer 300M-DJS Mixer
• Peavey CD-Mix 9072A Mixer 
  (back-up system)
• Stewart 1400 watt amplifier
• 2 Peavey 2000 watt amplifiers
  (one for back-up system)
• 2 Community CSX35-S2 Speakers
  (for high end audio)
• 2 Community CSX50-S2 18 inch Sub-woofer Speakers (for low end audio)
• 2 EV 152s Speakers
  (for high end audio)
• 2 Black Widow 18 inch subwoofers
  (for low end audio)
• Shure BG 3.0 Wireless mic
• Shure UT2431 Wireless mic
• Plus a state-of-the-art light show

That's one complete system plus a complete back-up system.  Or one mega-system with 8 speakers and 5400 watts of power for larger jobs where you need a lot of sound