L-Acoustics

KS21 Subwoofer

Model KS21

$8,900.00

SKU L-ACOUSTICS-KS21

Qty

Returns
Warranty: 30 days from delivery, in original condition and packaging.; After the return window the manufacturer’s warranty applies. Spencer Clem does not add one of its own.

Overview

Single 21-inch bass-reflex subwoofer for flown or ground-stacked use.

subwoofer · passive · 21-inch

Specifications

Physical

MountingGround-stacked or flown

FinishBlack

Acoustic

Maximum SPL143 dB

Frequency range25 Hz to 100 Hz

DrivePassive

DocumentationNot recorded

Visualization

Default zonestage

PlacementGround-stacked or flown above the array

Notes

SourceManufacturer published specifications.

Not recorded. This section has not been filled in for this product.

Inputs and outputs

2 groups

Grouped the way the back panel is grouped. Port labels are the manufacturer’s own, so they match what is silk-screened on the chassis.

Amplifier in

Speaker level · 1 in / 0 out

Port	Label	Connector	No.
In	Input	speakON NL4 male	1

Link

Speaker level · 0 in / 1 out

Port	Label	Connector	No.
Out	Link	speakON NL4 male	1

Passthrough

These outputs mirror an input rather than originating a signal, so a diagram follows the run straight through them.

speaker_in 1 to speaker_link 1

Designed into

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