1675 MacArthur Blvd
Costa Mesa, CA 92626
QSC Audio Products, LLC, is a globally recognized leader in the design and manufacture of professional loudspeakers, power amplifiers and digital audio control systems. With professional audio solutions for musicians, DJ’s and other audio professionals, QSC products can be found everywhere from small portable sound reinforcement applications to large installed systems in night clubs, houses of worship, stadiums and arenas. Award winning products include (but not limited to) K and KW Series Active Loudspeakers, the KLA Series Active Line Array System and the PLD Series processing power amplifiers featuring Flexible Amplifier Summing Technology™. QSC products are known for delivering superior sonic performance and are designed and manufactured to the highest standards for the rigors of professional use.