
21 Inch Neodymium Professional Subwoofer Sound System
- 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 name | 21 Inch Neodymium Professional Subwoofer Sound System |
|---|---|
| Category | Speaker Drivers, Woofers & Tweeters |
| Customization | Available |
| Noise | <102dB |
| Hi-Fi | Hi-Fi |
| Model NO. | KA21 |
| Activity | Passive |
| Operation Mode | Wire / Remote Control |
| Speaker System | Optional Combination |
| Speaker Material | Wood |
| Application | Commercial, Home, Stage, KTV, Professional Performance |
| Certification | CE, RoHS |
| THD | 0.005%-0.01% |
| Type | 2 Way Full Range Line Array Speaker |
| Driver Lf | 18"×1(Neodymium φ75mm) |
| Frequency Response | 60Hz-18kHz |
| Rated Power | 800W |
| Peak Power | 1800W |
| System Sensitivity | 100db |
| Impedance | 8ω |
| Net Weight | 49kg |
| Wood Case | High Quality Brich Plywood, Surface Coating |
| Special Service | OEM Service Offered |
| Transport Package | Strong Wooden Frame and Carton |
| Specification | 343× 379× 595 |
| Origin | Guangdong Province, China |
| HS Code | 85182200 |
| Production Capacity | 1000 Units/ Month |
| Package Size | 76.00cm * 78.00cm * 62.00cm |
| Package Gross Weight | 49.000kg |
| Feature | 1x21" neodymium speaker woofer, 1800W |
| Price | US$700.00-800.00 1 Piece(MOQ) |
| Supplier | Guangzhou Xinbaosheng Audio Equipment Co., Ltd. |
| Data retrieved | 2026-10-23 |
Available options
| Speaker Material | Wood |
|---|---|
| Rated Power | 800W |
| Peak Power | 1800W |
| Impedance | 8ω |
Additional data
| Type | High power subwoofer, 21" |
|---|---|
| Low frequency limit (-10 dB) | 29 Hz |
| Maximum SPL | 138 dB |
| Nominal directivity (-6 dB) | Standard or cardioid configuration |
| Transducers | 1 × 21″ neodymium cone driver |
| Acoustical load | Bass-reflex , Progressive vent design |
| Nominal impedance | 8Ω |
| Connectors | 2 × 4-point terminal block with push-in connection |
| Rigging and handling | External rigging kits |
| Inserts for rigging plates etc. | |
| Threaded insert | |
| 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 gray brown |
| Feature | Powerful |
| 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
KA21 · US$700.00 – 800.00 · MOQ 1 Piece








