QSC KW153 15" 3-Way Portable Active Speaker/Monitor - ProAudio.com
QSC's Reference Monitor System: The Sum of the Whole - QSC Cinema Blog
QSC Model RMX-850 Stereo Power Amplifier 270w 4 ohm Solid State Amp 2 Channel Pro Audio Monitor for Speakers Studio Live Venue Pro DJ Rack Mount RMX 850 | Reverb UK
2) QSC KW122 12" Speakers with 18" Subwoofer | IDJNOW