Ks21 21inch Rigging PRO Subwoofer Speaker Box for Concert Hall
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Product Highlights
- High Power Output: 1800W AES / 3600W Peak power with 1x21' neodymium driver.
- Premium Cabinet Material: Constructed from first-grade Russian birch plywood with waterproofing.
- Lightweight Design: Compact and rugged design weighs only 49 kg / 108 lb for easy handling.
- Advanced Rigging System: Integrated two-point rigging allows flown or stack configurations.
- Low Distortion Audio: THD 0.005%-0.01% ensures high-fidelity sound reproduction.
- Custom OEM Service: OEM service is acceptable for customized cabinet and driver options.
- Versatile Application: Ideal for small to large indoor or outdoor concert events.
- Multi-Certification: Complies with CE, RoHS, and FCC safety standards.
Product Attributes
- Customization
- Available
- Noise
- <95dB
- Hi-Fi
- Not Hi-Fi
- Model NO.
- KS21
- Activity
- Passive
- 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
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Ks21 21inch Rigging PRO Subwoofer Speaker Box for Concert Hall
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Ks21 21inch Rigging PRO Subwoofer Speaker Box for Concert Hall -
Ks21 21inch Rigging PRO Subwoofer Speaker Box for Concert Hall -
Ks21 21inch Rigging PRO Subwoofer Speaker Box for Concert Hall -
Ks21 21inch Rigging PRO Subwoofer Speaker Box for Concert Hall -
Ks21 21inch Rigging PRO Subwoofer Speaker Box for Concert Hall
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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
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2311381". Items marked "
" are certified.
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Company Profile
Sanway Professional Audio Equipment Co., Ltd is one of the best PRO Audio suppliers in Guangzhou, China. We are a factory that specializes in research, developing, manufacturing, sales and technical and offer top quality products and service since 1997 and gained very high reputation at home and abroad.
With emphasis on quality and innovation our company has modern assembly line, strict quality control and hard working staff. We put a emphasis on purchasing the high grade raw materials to give you a high performance product. With fully trained workers we ensure that you will only get the finest quality and performance product that comes off of our assembly lines.
Our engineers and technicians have extensive experience in the PRO audio industry. Continuous researching and developing ensure that our products in high standard to give you the competitive advantage to your customers and market.
Application: Our products are suitable for various of PRO audio, entertainment and commercial uses...Such as live event performance, touring concert church, , Band, stadium, gymnasium, theaters, Cinema, concert halls, auditorium, hotel, School, discos, club, wedding, etc.
Main products: Professional Power Amplifiers; Active Speaker Module; Line Array System; Indoor & outdoor Professional Speakers; Digital Speaker Processors; Equalizer etc.
We always keep and follow the principle to do business:
The same product, we win by the quality;
The same quality, we win by the price,
The same price, we win by the service.
We sincerely hope that continuous business relationships can be established and please trust that we are always doing our best to realize good business relationships with our clients. We are constantly seeking new agents and distributors worldwide.
Don't hesitate to contact us if you are interested in any item, or should you have any special requirement, please kindly let us know directly, we will reply you as soon as possible.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Jinle Industrial Park, Yangwu Village, Huadu District, Guangzhou, Guangdong, China
-
Plant Area
- 4000 square meters
-
Number of Employees
- 48
-
Registered Capital
- 1,000,000 RMB
-
Terms of Payment
- T/T, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Zhaoqing Port, Guangzhou port, Shenzhen Port
Our Production Capability & Technical Expertise
-
Main Products
- Audio Power Amplifier, Active or Passive Line Array System, Professional Audio, Class-D amplifier, Active Audio Modules, DJ Equipments
-
Production Machines
- Wave soldering equipment, Cutting machine, Grinding machine
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2020-08-10
- Export Year
- 2006-07-15
-
Main Markets
- South America, Europe
-
Number of Foreign Trading Staff
- 9
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- What is the power rating of the KS21 subwoofer?
- The KS21 subwoofer has an AES power rating of 1800W and a peak power of 3600W.
- What material is used for the cabinet?
- The cabinet is made from first-grade Russian birch plywood with waterproofing and polyurea paint finish.
- Can the KS21 be flown or stacked?
- Yes, it features an integrated two-point rigging system that allows it to be flown or stacked with compatible speakers.
- What is the net weight of the speaker?
- The net weight is 49 kg (108 lb), designed for lightweight and rugged handling.
- Is OEM service available for this product?
- Yes, OEM service is acceptable, allowing for customized cabinet and driver options.
- What are the applicable certifications?
- The product holds CE, RoHS, and FCC certifications.
- What is the usable frequency bandwidth?
- The usable bandwidth (-10 dB) ranges from 31 Hz to 100 Hz.
- What are the payment terms?
- Payment terms include T/T, PayPal, and Western Union.
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Product Groups
- Class-TD Switching Power Amplifier
- Class-D Digital Power Amplifier
- Class-D DSP Plate Amplifier Module
- Class-H Transformer Power Amplifier
- Subwoofer
- Line Array System
- Active Line Array System
- Passive & Active Stage Monitor
- Full Range Loudspeaker
- Passive & Active Subwoofer
- DSP Professional Amplifier
- Audio Mixer
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