The L-Acoustics KS21 is a high-performance reference subwoofer designed to extend the bandwidth of A15 and A10 systems. It features one 21″ transducer in a bass reflex tuned enclosure, and operates from 29 Hz to 60 Hz when associated with A15, or 30 Hz to 100 Hz when associated with A10. The KS21 deploys in standard or cardioid setups with dedicated presets, and features a two-point, integrated rigging system that is compatible with A15.
The subwoofer deploys in standard or cardioid setups with dedicated presets, and features a two-point, integrated rigging system that is compatible with A15. Combinations of KS21 and A15 can be flown or stacked to form a full range line source.
This subwoofer is great for small- to medium-size venues. Featuring L-Vents that substantially reduce turbulence and port noise at high levels while also increasing LF efficiency, this subwoofer is sure to deliver powerful sound with minimal distortion.
