QSC is a leading provider of pro audio solutions worldwide including digital mixers, power amplifiers, loudspeakers and DSP systems for musicians, bands, DJs, houses of worship, production professionals, sound contractors and installers. Product include: TouchMix digital mixers; PLD/CXD, RMXa, CX, CMX, PowerLight series of professional power amplifiers; K.2, KW, KLA Series of powered loudspeakers; AcousticDesign, AcousticPerformance installation loudspeakers; WideLine line array loudspeakers and Q-Sys multi-channel digital audio networking system.