Used L-Acoustics KS21
Used L-Acoustics KS21 subwoofers are passive dual-18" units built for deep, impactful bass in live events, touring and permanent installations. Trusted by professional sound engineers, the second-hand KS21 is suitable for both rental stock and fixed setups demanding reliable low-frequency performance. Browse the used KS21 listings available right now by scrolling down.
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L-Acoustics KS21 specifications
| Brand | L-Acoustics |
| Segment | Audio |
| Typical used price | $4,299 (range $4,299–$4,299) |
About the L-Acoustics KS21
The L-Acoustics KS21 is a passive subwoofer featuring a dual-18" configuration designed to deliver deep, punchy bass across a wide frequency range. Its rugged construction makes it well suited to high-demand touring and fixed installation environments alike, including live events, corporate productions and stage applications. The KS21 integrates with various audio systems as a wired speaker, and its output is celebrated for both robust low-frequency response and consistent reliability. It is a recognised choice among professional sound engineers and event production companies worldwide.
