L-Acoustics
L-Acoustics KS21

L-Acoustics

L-Acoustics KS21

KS21 High power subwoofer, 21

Product code
KS21
Category
Audio
Weight
49 kg

Specifications

Electroacoustic specs

Low frequency limit (-10 dB)
29 Hz ([KS21_60])
Maximum SPL
138 dB ([KS21_100])
Nominal directivity (-6 dB)
Standard or cardioid configuration
Transducers
1 × 21″ neodymium cone driver
Acoustical load
bass-reflex, L-Vents
Nominal impedance
8 Ω

Physical specs

Connectors
2 × 4-point terminal block with push-in connection
Rigging and handling
external rigging kits; M6 inserts for rigging plates; M8 inserts for A-U15i; 1 DIN580-compatible M8 threaded insert
Dimensions
764 mm (30 in) / 571 mm (22.5 in) / 601 mm (23.7 in)
Weight (net)
49 kg / 108 lb
Cabinet
premium grade Baltic beech and birch plywood
Front
Coated steel grill; Acoustically neutral 3D fabric
Rigging components
high grade steel with anti-corrosion coating
Finish
dark grey brown Pantone 426 C
IP
IP55

Specification from L-Acoustics