Complaint
Overview:
KS21 line array speaker subwoofer is the ideal design for small to large outdoor or indoor concert events that require bandwidth expansion and have a powerful impact in a compact cabinet box.
KS21 professional audio subwoofer equipped with a 21" subwoofer transducer in bass reflex tuning cabinet. With L-share vents, it can greatly reduce turbulence and ports the high level of noise and improves the lower frequency efficiency.
KS21 dj subwoofer speaker is acoustically compatible with the A15 single 15 inch speaker, making it ideal for enhanced bass frequency bandwidth to 29 Hz and 31 Hz respectively. With the integrated two-point rigging system, it can flown or stack with the A15 speaker together as a full range line source system.
KS21 bass subwoofer cabinet is made from first grade birch plywood ensure maximum acoustic and mechanical integrity. The combination of curved wood technology and thickness optimization process maximizes the inside volume while attaining the low weight of 49 kg / 108 lb. The lightweight and rugged design facilitates deployment and handling on the road.
Feature:
1x21" neodymium speaker woofer, 1800W
First grade Russian birch plywood with waterproofing Polyurea paint
Lightweight and compact
Simple, fast, integral rigging.
Specification:
Usable bandwidth (-10 dB) | 31 Hz - 100 Hz |
Maximum SPL1 | 138 dB |
Nominal directivity | Standard or cardioid configurations |
Transducers | 1 × 21'' neodymium cone driver |
Acoustical load | Bass-reflex, L-Vents |
Nominal impedance | 8 Ω |
Power | AES: 1800W Peak: 3600W |
Connectors | IN: 1 × 4-point speakON LINK: 1 × 4-point speakON |
Rigging and handling
| Flush-fitting two-point rigging system 1 pole mount with M20 x 150 insert 4 handles, 8 corner stops and 2 ground runners |
Weight (net) | 49 kg / 108 lb |
Cabinet | First grade Russian 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 |
