L Class Active Line Array System

Next-generation intelligent,
active loudspeakers

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L Class represents the next generation of advanced, intelligent, active loudspeakers for applications ranging from simple, portable, plug-and-play setups, to demanding, networked, high-tech AV productions and fixed installations. The exceptional result of a deep understanding of customer needs and application requirements, L Class delivers a brilliant combination of leading-edge innovation, refined engineering and unparalleled ease of use.

L Class delivers its exceptional performance and extraordinary audio experience via high-output amplification, state-of-the-art DSP, premium components, extensive system intelligence and an elegantly intuitive user interface. L Class also sets a new standard for ease of use, as its users will be able to confidently configure and deploy any L Class system with unmatched speed and reliability. Onboard Dante® connects L Class to networked AV systems and connected stages.

Simply brilliant in every regard, L Class elevates audio technology in the service of art, creativity and live performance.


Next generation of advanced, intelligent active loudspeaker

Two active line array loudspeakers and one active subwoofer

Easy to deploy, configure and use

 QSC SysNav™ App allows control and telemetry of each unit and the complete system

Dante®network connectivit

Consistently great results

QSC LEAF™ Waveguide

(Automatic Wireless Array Recognition) 

Onboard QSC AWARE intelligence communicates essential setup information, providing the user with a simple “one touch” array optimization using proprietary DSP algorithms. The technology uses active loudspeakers' internal accelerometers and infrared communication links to determine and share essential information


  • Allows the operator to easily apply correct Ar-Q™ Array Equalization filters via either a computer/tablet or any loudspeaker’s Rear User Interface (RUI), leading to a consistent and repeatable experience in any venue or fixed installation.
  • Setup information is communicated to QSC SysNav App, allowing advanced functionalities to be visualized and controlled, leading to significant time saving during setup, and quality audio results in any application.

QSC LA112 Line Array Loudspeaker

QSC LA112 Line Array Loudspeaker

QSC L-Class Accessories

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QSC LA118 Line Array Subwoofer

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