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
RUGGED
Built for the road with simple, fast, integral rigging
Inspiration
The Other Side is the World’s First Nightclub to Adopt L-ISA Spatial Audio
A15
A15 Focus
A15 Wide
KS21
L-ISA
L-ISA Controller
LA4X
LA7.16
X12
X8
L-ISA Immersive Audio Experience Brings the Ancient Ephesus Experience to Life
5XT
A10
KS21
L-ISA
LA7.16
X8
Kay Yeager Coliseum Puts L-Acoustics A15i Concert Sound System into the Ring
A Series
A15
A15i
KS21
LA12X
LA4X
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Electroacoustic specs
High power compact subwoofer: 1 x 21''
amplified by LA4X / LA8 / LA12X
Low frequency limit (-10 dB) | 29 Hz ([KS21_60]) |
Maximum SPL1 | 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 |
1 Peak level at 1 m under half space conditions using pink noise with crest factor 4 (preset specified in brackets).
Physical specs
Connectors | 2 × 4-point terminal block with push-in connection |
Rigging and handling | external rigging kits |
Weight (net) | 49 kg / 108 lb |
Cabinet | premium grade Baltic beech and birch plywood |
Front | Coated steel grill |
Rigging components | high grade steel with anti-corrosion coating |
Finish | dark grey brown Pantone 426 C |
IP | IP55 |
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