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 Gold Coast Convention and Exhibition Centre Chooses L-Acoustics K3 Professional Sound System to Multiply Flexibility featured image](https://www.l-acoustics.com/wp-content/uploads/2024/05/la-gccec-1-768x512.jpg)
The Gold Coast Convention and Exhibition Centre Chooses L-Acoustics K3 Professional Sound System to Multiply Flexibility
K3
KS28
LA-RAK II
LA12X
MILAN-Certified
P1
X12
X8
![Japanese Pop Star aiko Brings Immersive Concert Sound to Fans Using L-Acoustics L-ISA Immersive Technology featured image](https://www.l-acoustics.com/wp-content/uploads/2024/04/la-aiko-1-1-768x512.jpg)
Japanese Pop Star aiko Brings Immersive Concert Sound to Fans Using L-Acoustics L-ISA Immersive Technology
K2
KS28
L-ISA
L-ISA Processor II
LA12X
![Italian Hip-hop Duo Coez & Frah Quintale are First to Offer Immersive Audio Experience Using L-Acoustics L Series with L-ISA featured image](https://www.l-acoustics.com/wp-content/uploads/2024/04/la-coez-frah-quintale-7-768x432.jpg)
Italian Hip-hop Duo Coez & Frah Quintale are First to Offer Immersive Audio Experience Using L-Acoustics L Series with L-ISA
K2
KARA II
KS28
L-ISA
L2
L2D
LA12X
LA7.16
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Check out our Documentation Center for more documentations on this product.
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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