- Front
KS28
Reference high power subwoofer, dual 18"
| Max SPL | 143 dB |
| Low frequency limit | 25 Hz |
| Transducers | LF: 2 x 18" |
| Weight | 79 kg / 174 lb |
| Directivity | standard or cardioid configurations |
POWERFUL
Broad bandwidth with exceptional dynamics for ultimate LF power
SHARP
Clear low-frequency power with L-VENTS™
LIGHT
High performance to weight ratio with enclosure thickness optimization process
Inspiration
“The Blue” Gets New K2 – Boise State’s Albertsons Stadium Achieves Stadium-Wide Sound from Compact L-Acoustics K2 Installation
A10i Focus
A10i Wide
A15i
K2
KARA II
KS28
LA12X
LA7.16
LS10
P1
Brisbane Sound Group Becomes Australia’s First L-Acoustics L Series Rental Partner
KS28
L Series
L2
L2D
LA-RAK
Partnership
Unreal-Systems Deploys L-Acoustics L Series Concert Sound System for John Summit’s Three-Night, Sold-Out Run at L.A.’s Kia Forum
KARA II
KS28
L Series
L2
L2D
LA12X
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Electroacoustic specs
Flyable subwoofer 2 x 18''
amplified by LA12X
| Low frequency limit (-10 dB) | 25 Hz ([KS28_100]) |
| Maximum SPL1 | 143 dB ([KS28_100]) |
| Nominal directivity (-6 dB) | standard or cardioid |
| Transducers | 2 × 18″ neodymium cone drivers |
| Acoustical load | bass-reflex, L-Vents |
| Nominal impedance | 4 Ω |
1 Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specified in brackets).
Physical specs
| Connectors | 1 × 4-point speakON |
| Rigging and handling | flush-fitting 2-point rigging system |
| Weight (net) | 79 kg / 174 lb |
| Cabinet | premium grade Baltic beech and birch plywood |
| Front | coated steel grill |
| Rigging components | high grade steel |
| Finish | dark grey brown Pantone 426 C |
| IP | IP55 |
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