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 exceptional performance and audio experience via high-output amplification, state-of-the-art DSP, premium components, extensive system intelligence and an elegantly intuitive 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.

What makes L Class Simply Brilliant ? Innovation.


Simple: Single person setup and teardown without tools or external hardware.

Brilliant: Easily adjust splay angles for short, medium and long throw.



Automatic Wireless Array Recognition

Simple: One-button full array optimization.

Brilliant: : Intelligent, wireless discovery and communication between loudspeakers.


QSC LEAF Waveguide

Simple: “Big box” sound.

Brilliant: Even audience coverage. Accurate midrange and detailed voice reproduction. Exceptional HF throw.


System management and telemetry

Simple: Elegant and intuitive interface connects you to the system from anywhere in the room.

Brilliant: Visualize, model, predict, design, configure, control and monitor with a single desktop or mobile app.



Simple: All essential settings at your fingertips.

Brilliant: 2.4-inch LCD color display and rotary encoder for viewing and adjustment of the entire array or individual loudspeaker parameters.



Model LA108 LA112 LS118
Configuration Two-way active line array loudspeaker DIrect radiating active subwoofer
Frequency Range (-10 dB) 57 Hz - 20 kHz 53 Hz – 20 kHz 35 Hz – 111 Hz
Nominal Coverage 100° H x 15° V 90° H x 15° V Omni-directional or Cardioid radiation (min. 2 units) 
Maximum Rated SPL(peak) 134 dB @ 1 m 136 dB @ 1 m 136 dB @ 1 m
Amplifier Class D (peak) LF: 1000W / HF: 300 W LF: 1600W / HF: 800 W LF: 4000 W
AC Power Consumption2 100 VAC, 0.8 A / 120 VAC, 0.75 A / 230 VAC. 0.5 A 100 VAC, 1.8 A / 120 VAC, 1.5 A / 230 VAC. 1 A 100 VAC, 3.6 A / 120 VAC, 3.0 A / 230 VAC. 1.7 A
Transducers LF: 203 mm (8-inch), cone
HF: 44 mm (1.75-inch), compression driver
LF: 305 mm (12-inch), cone
HF: 2x 44 mm (1.75-inch), compression driver
LF: 460 mm (18-inch), cone
Connectors XLR Female (Analog In), XLR Male (Analog Thru)
2 x RJ45 EtherCON (Dante
® and QSC SysNav In/Thru)
2 x PowerCON TRUE1 (AC Power Intel/Outlet)
Enclosure Materials Impact resistant ABS 15 mm birch plywood with Polyurea coating
Net Weight 13.7 kg (30.1 lb) 21.4 kg (47.2 lb) 50 Kg (110 lb) including casters




(1)  Loudspeakers: Measured at 1 meter, on axis, in full space, using IEC268 filtered noise.
Subwoofer: Measured at 1 meter, on-axis, in half-space using Pink Noise, Crest Factor 10 dB unweighted.

(2) 1/8 power is representative of current draw with typical music program material with occasional clipping.