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Speaker Drivers, Woofers & Tweeters

21 Inch Neodymium Professional Subwoofer Sound System

Model: KA21 Customization available Speaker Parts & Accessories
US$700.00 – 800.00
MOQ 1 Piece
Rated Power
800W
Impedance
8ω
Frequency Response
60Hz-18kHz
Type
2 Way Full Range Line Array Speaker
Application
Commercial, Home, Stage, KTV, Professional Performance
Noise
<102dB

Specifications

Product name21 Inch Neodymium Professional Subwoofer Sound System
CategorySpeaker Drivers, Woofers & Tweeters
CustomizationAvailable
Noise<102dB
Hi-FiHi-Fi
Model NO.KA21
ActivityPassive
Operation ModeWire / Remote Control
Speaker SystemOptional Combination
Speaker MaterialWood
ApplicationCommercial, Home, Stage, KTV, Professional Performance
CertificationCE, RoHS
THD0.005%-0.01%
Type2 Way Full Range Line Array Speaker
Driver Lf18"×1(Neodymium φ75mm)
Frequency Response60Hz-18kHz
Rated Power800W
Peak Power1800W
System Sensitivity100db
Impedance8ω
Net Weight49kg
Wood CaseHigh Quality Brich Plywood, Surface Coating
Special ServiceOEM Service Offered
Transport PackageStrong Wooden Frame and Carton
Specification343× 379× 595
OriginGuangdong Province, China
HS Code85182200
Production Capacity1000 Units/ Month
Package Size76.00cm * 78.00cm * 62.00cm
Package Gross Weight49.000kg
Feature1x21" neodymium speaker woofer, 1800W
PriceUS$700.00-800.00 1 Piece(MOQ)
SupplierGuangzhou Xinbaosheng Audio Equipment Co., Ltd.
Data retrieved2026-10-23

Available options

Speaker MaterialWood
Rated Power800W
Peak Power1800W
Impedance8ω

Additional data

TypeHigh power subwoofer, 21"
Low frequency limit (-10 dB)29 Hz
Maximum SPL138 dB
Nominal directivity (-6 dB)Standard or cardioid configuration
Transducers1 × 21″ neodymium cone driver
Acoustical loadBass-reflex , Progressive vent design
Nominal impedance8Ω
Connectors2 × 4-point terminal block with push-in connection
Rigging and handlingExternal rigging kits
Inserts for rigging plates etc.
Threaded insert
CabinetFIrst grade Russian birch plywood
FrontCoated steel grill
Acoustically neutral 3D fabric
Rigging componentsHigh grade steel with anti-corrosion coating
FinishDark gray brown
FeaturePowerful
Clear low-frequency
Stringent rigging conditions
Weight (net)49 kg / 108 lb

Product description

The supplier lists this product as 2 Way Full Range Line Array Speaker. Its stated application is Commercial, Home, Stage, KTV, Professional Performance. The listed model is KA21. The specifications below reflect the information publicly displayed on the listing. Noise: <102dB. Model NO.: KA21. Speaker Material: Wood. Driver Lf: 18"×1(Neodymium φ75mm). Frequency Response: 60Hz-18kHz. Rated Power: 800W. Peak Power: 1800W. System Sensitivity: 100db. Impedance: 8ω.

Specifications, options and prices reproduce the supplier's published listing. Please confirm critical parameters with us before ordering.

FAQ

What is the minimum order quantity for 21 Inch Neodymium Professional Subwoofer Sound System?

The listed minimum order quantity is 1 piece. Tell us your quantity in the inquiry form and we will confirm it with the manufacturer.

How much does 21 Inch Neodymium Professional Subwoofer Sound System cost?

The published price is US$700.00 – 800.00 per piece. Final pricing depends on quantity, options and destination.

Can it be customized with my logo, color or packaging?

Yes — the listing states that customization is available (Available). Describe your requirements in the inquiry.

Where do these specifications come from?

Specifications, options and prices reproduce the manufacturer's published listing on the date shown in the specification table. Please confirm critical parameters before ordering.

Send an inquiry

21 Inch Neodymium Professional Subwoofer Sound System
21 Inch Neodymium Professional Subwoofer Sound System
KA21 · US$700.00 – 800.00 · MOQ 1 Piece
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