KS21i

High power subwoofer, 21"

Max SPL	138 dB
Bandwidth	29 Hz
Transducers	LF: 1 x 21"
Directivity	standard or cardioid configurations
Dimensions (W x H x D)	752 mm (29.6 in) / 569 mm (22.4 in) / 629 mm (24.8 in)
Weight	46 kg / 101 lb

OMNI / CARDIO SUBWOOFER

POWERFUL

Exceptional impact with high power to size ratio

SHARP

Clear low-frequency power with L-VENTS™

LIGHT

Flown under the most stringent rigging conditions

SLEEK

Designed to melt into any venue decor

Need more information?

Check out our Documentation Center for more documents on this product.

High power compact subwoofer: 1 x 21" (installation version)
amplified by LA2Xi / LA4X / LA8 / LA12X

Low frequency limit (-10 dB)	29Hz ([KS21_60])
Maximum SPL¹	138 dB ([KS21_100]) with LA2Xi (bridge mode) / LA4X / LA8 / LA12X 131 dB ([KS21_100]) with LA2Xi
Nominal directivity (-6 dB)	standard or cardioid configuration
Transducers	1 × 21″ neodymium cone driver
Acoustical load	bass-reflex, L-Vents
Nominal impedance	8 Ω

¹ Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specified in brackets).

Connectors	1 × 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	752 mm (29.6 in) / 569 mm (22.4 in) / 629 mm (24.8 in)
Weight (net)	46 kg / 101 lb
Cabinet	premium grade Baltic beech and birch plywood
Front	coated steel grill acoustically neutral 3D fabric
Finish	dark grey brown Pantone 426 C pure white RAL 9010 custom RAL code on special order
IP	IP55

Dimensions