Product Overview:

The L-Acoustics KS28 is a high-performance, high-output subwoofer designed for large-scale sound reinforcement in live events, concerts, and festivals. As a dual 18″ subwoofer, the KS28 delivers incredibly powerful and deep low frequencies, reaching a low-frequency limit of 25 Hz, ensuring that your audience feels every beat with impact and clarity. The subwoofer offers a maximum SPL of 143 dB, providing the necessary headroom for high-energy events and delivering powerful bass in both omni-directional and cardioid configurations.

The KS28 utilizes L-Vents technology to enhance low-frequency performance, reduce distortion, and improve the overall efficiency of the subwoofer, providing a cleaner, more powerful bass response. It is designed to be used as part of a reference high-power subwoofer system, capable of reproducing high SPLs with precision and low distortion, making it ideal for both front-of-house and subwoofer array configurations.

At 79 kg (174 lbs), the KS28 is built for durability and reliability, providing exceptional performance in even the most demanding environments. Whether deployed in omni-directional mode for broad bass coverage or in cardioid configuration for more directional output, the KS28 ensures that bass energy is delivered exactly where it’s needed, making it perfect for a variety of live events and professional applications.
Max SPL: 143 dB for high-output bass performance
Low Frequency Limit: 25 Hz, delivering deep and powerful bass
Transducers:

LF: 2 x 18″ drivers for deep, powerful low-frequency response

Directivity:

Omni-directional: Standard bass coverage
Cardioid Configuration: Focused, directional bass output for controlled coverage

Performance:

Reference high-power subwoofer with dual 18″ drivers for high SPL and low distortion
L-Vents for improved low-frequency response and efficiency

Weight: 79 kg / 174 lbs for rugged durability and reliability
Applications: Ideal for large-scale sound reinforcement, festivals, concerts, and events requiring powerful bass output with customizable directivity

Rent the L-Acoustics KS28 in Chicago for your next large-scale event or concert. With its powerful bass output, versatile configurations, and advanced technology, the KS28 is perfect for delivering deep, impactful sound in both omni and cardioid configurations. Whether you’re reinforcing low frequencies across a large venue or focusing the bass for a more targeted audience, the KS28 offers the flexibility and performance required for professional sound reinforcement applications.