KS28 Subwoofer

The L-Acoustics KS28 is the benchmark subwoofer for major live tours and festivals. Featuring two high-excursion 18-inch direct radiating speakers in a bass-reflex cabinet, it extends system response down to 25Hz. It can be flown or ground-stacked in standard or cardioid arrays to steer energy into the crowd.

Key Performance Advantages

Ultra-low distortion laminar venting ports
Integrated rigging rails for flown arrays
Ground-stack skids for stable cardiod arrangements
Pristine low-end extension down to 25 Hz

Technical Specifications Sheet

Type	Dual 18" direct-radiating subwoofer
Max SPL	143 dB
Frequency Limit	25 Hz
Transducers	2 x 18" neodymium, 4" voice coil
Weight	79 kg / 174 lbs
Cabinet	Baltic birch plywood with steel grille
Connectors	1 x 4-point speakON

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