Founded nearly five decades ago, QSC is a globally recognized leader in the design, engineering and manufacture of award winn ... ing high performance audio products including power amplifiers, loudspeakers, digital mixers, digital signal processors(DSP), and the Q-SYS™ networked audio, video and control Ecosystem. Uniquely leveraging a broad range of technologies located under one roof, QSC products outperform the sum of their parts by delivering reliable, scalable and flexible solutions for professional installed, portable, production, corporate and cinema customers worldwide. read more