L-Acoustics KS28

Reference dual 18" subwoofer for large concerts, festivals and high-end events.
Extreme power, depth and bass control without compromise.

The L-Acoustics KS28 is a flagship subwoofer designed for maximum sound pressure and precise reproduction of the lowest frequencies. Thanks to two 18" long-throw drivers, it delivers massive, yet still controlled and audible bass even at the highest volumes.

An ideal choice for combination with KARA II, K2, K1 or ARCS systems.

Main advantages

✔ Maximum sound pressure

Two 18" speakers in a bass-reflex design generate extreme power suitable for open-air festivals and large halls.

✔ Precise control

Optimized for LA12X amplifiers – full control via LA Network Manager.

✔ Touring construction

Robust birch plywood, durable surface, integrated handles and rails for easy handling.

✔ Flexible configuration

Cardioid connection option for significant bass reduction on stage.

Technical parameters

• Type: double 18" bass-reflex subwoofer

• Frequency range: approx. 25 Hz - 100 Hz

• Max SPL: up to 143 dB

• Recommended amplifier: LA12X

• Weight: approx. 79 kg

• Touring hardware compatible with L-Acoustics systems

Suitable use

• Concerts and festivals

• Corporate events with live music

• DJ stage

• Sports and city events

• Touring production