
Reference image, not the actual item
L-Acoustics KS21 Subwoofer
You can request this item, new or used. Ask Aria or our team for options.
- Used Used gear, checked before listing.
- Sold out
- Request it and we'll look for one for you
Passive 21-inch subwoofer in a vented bass-reflex Baltic birch cabinet, with standard or cardioid directivity when linked.
- Model
- KS21
- Format
- Passive 21 in bass-reflex subwoofer, flyable
- Inputs
- 1 × 4-point speakON (IN)
- Outputs
- 1 × 4-point speakON (LINK)
Questions about condition or availability? Contact us.
All Used Gear quotes, orders, and invoices are subject to all customer Purchase Terms & Conditions found on the Used Gear website.
A passive subwoofer with a 21 in neodymium direct-radiating driver in a bass-reflex enclosure with laminar vents. It has a birch and beech plywood cabinet, a protective steel grille, four handles, corner protectors and flush rigging hardware. Two or more units can be set up for omnidirectional or cardioid patterns, driven by an L-Acoustics amplified controller.
Used gear is covered as described in the Purchase Terms & Conditions. Ask us about this item's condition and coverage before you order.
We ship within the United States and confirm shipping in your written quote. If you are outside the US, you arrange and pay for your own shipping. Contact us with any questions about delivery or handling.




