QSC is a leading American manufacturer of professional audio systems, including power amplifiers, loudspeakers, digital mixers, and the Q-SYS networked audio/video control platform.
QSC, LLC is a globally recognized American manufacturer of professional audio, video, and control solutions. Founded in 1968, the company produces a wide range of hardware including power amplifiers, loudspeakers, digital mixers, and digital signal processors. QSC is particularly known for its Q-SYS networked audio, video, and control platform, which serves installed, portable, production, corporate, and cinema markets worldwide.
The company's products are used by managed service providers, AV installers, and live sound professionals globally. Headquartered in Costa Mesa, California, QSC continues to drive innovation with solutions that integrate AI, cloud-based control, and high-performance audio.
Latest manuals from manuals+ curated for this brand.
Watch setup, installation, and troubleshooting videos for this brand.
Common questions about manuals, registration, and support for this brand.
Firmware updates, such as those for the KC12 loudspeaker or Q-SYS platform, can be downloaded from the official QSC website or installed via specific updater applications available on the support page.
You can register your product on the QSC website to activate the manufacturer's warranty. Registration often extends warranty coverage (e.g., up to 6 years for K.2 Series loudspeakers).
QSC technical support can be reached at +1 (800) 854-4079 (USA) or by submitting a case through their online support portal at support.qsc.com.
Clean the exterior with a dry cloth only. Do not use liquid cleaners or solvents. Ensure ventilation openings are free of dust to prevent overheating.