Cardioid large‑format subwoofer with four 21″ high‑excursion drivers Ultra‑dense acoustic architecture for exceptional LF authority Selectable Cardioid, Supercardioid & Side Rejection directivity modes Up to 150 dB SPL with controlled low‑frequency impact Bandwidth down to 25 Hz with coherent output Efficient integrated auto‑lock rigging system Optimized for large tours, festivals, and special events
CS1 introduces a new class of large-format subwoofers from L-Acoustics. As the first of the CS Series, it redefines how low-frequency is delivered at scale, combining extreme output with precise control. Built on an ultra-dense acoustic approach, CS1 integrates four 21″ transducers in a single enclosure using L-Acoustics patented cardioid topology. Cardioid, Supercardioid, and additional Side Rejection modes direct low-frequency energy exactly where it is needed, delivering full impact to the audience while preserving clarity on stage and control around the site. Designed for large-scale production, the CS Series delivers controlled, consistent, and predictable low-frequency performance across a wide range of applications.
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