Ks21 21inch Rigging PRO Subwoofer Speaker Box for Concert Hall

• Noise: <95dB
• Hi-Fi: Not Hi-Fi
• Activity: Passive
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: KS21
• Operation Mode: Wire / Remote Control
• Speaker System: Optional Combination
• Speaker Material: Wood
• Application: Commercial
• Certification: CE, RoHS, FCC
• Monitor: None
• THD: 0.005%-0.01%
• Cabinet: Russian Birch Plywood
• Drivers: Voice Coil Ferrite Woofe
• OEM Service: Acceptable
• Transport Package: Carton or Flight Case
• Specification: 576x764x620 mm
• Trademark: SANWAY OR OEM
• Origin: Made in China
• HS Code: 8518220000
• Production Capacity: 3000PCS\Month
• Package Size: 70.00cm * 80.00cm * 76.00cm
• Package Gross Weight: 55.000kg

Product Description

KS21 21 Inch Rigging Pro Subwoofer Speaker Box for Concert Hall

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

Dimension