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21 Inch Neodymium 4ohm Subwoofer with 2500W Power
Speaker Drivers, Woofers & Tweeters

21 Inch Neodymium 4ohm Subwoofer with 2500W Power

Model: 21SW152-4NW Customization available Speaker Parts & Accessories
US$306.0030–99 Pieces
US$292.00100–199 Pieces
US$278.00200+ Pieces
MOQ 30 Pieces
Application
Professional Audio
Noise
96dB
Hi-Fi
PA
Activity
Compatible
Operation Mode
Compatible
Speaker System
Compatible
Send Inquiry Full specifications

Specifications

Product name21 Inch Neodymium 4ohm Subwoofer with 2500W Power
CategorySpeaker Drivers, Woofers & Tweeters
CustomizationAvailable
Noise96dB
Hi-FiPA
Model NO.21SW152-4NW
ActivityCompatible
Operation ModeCompatible
Speaker SystemCompatible
Speaker MaterialCompatible
ApplicationProfessional Audio
CertificationCE, RoHS
MonitorCompatible
THD<0.005%
AES Power Handling3000W
Voice Coil Diameter153mm
F030Hz
Xmax15mm
Transport PackageCarton
SpecificationNeodymium, NW 18kg
OriginChina
HS Code85182900
Production Capacity36000pieces/Year
Package Size64.00cm * 64.00cm * 31.00cm
Package Gross Weight21.200kg
Lead Time7 days (1 - 30 Pieces) To be negotiated ( > 30 Pieces)
KEY FEATURES96dB 1W/1m sensitivity
GENERAL SPECIFICATIONSPart Number
NOTES1
Our quality management system is certified under ISO 90012015, and we hold multiple invention patents.
PriceUS$306.00 30-99 Pieces US$292.00 100-199 Pieces US$278.00 200+ Pieces
SupplierDongguan Weijiasheng Technology Co., Ltd.
Data retrieved2026-10-23

Available options

Speaker MaterialCompatible
AES Power Handling3000W
Voice Coil Diameter153mm

Additional data

Part Number21SW152-4NW
Nominal Diameter550mm (21in)
Nominal Impedance4Ω
Minimum Impedance4.2Ω
AES Power Handling12500W
Maximum Power Handling25000W
(1W/1m) Sensitivity (1W/1m)396dB
Resonance Frequency30Hz
Frequency Range30Hz-1kHz
Voice Coil Diameter153mm
Winding MaterialCopper
Former MaterialGlass Fiber
Winding Depth30mm
Magnetic Gap Depth12mm
Xmax413mm
Flux Density1.15T
Basket MaterialCast Aluminum
Magnet MaterialNeodymium Inside Slug
Suspension MaterialDouble Fabric
Surround MaterialW-Roll Cloth-sealed
Cone MaterialCurvilinear Paper
Net Weight18kg
Model Number21SW152-4NW
Fs29Hz
Re3.2Ω
Le0.89mH
Mms510g
Mmd432g
Cms0.06mm/N
BL29.6Tm
Qms22.6
Qes0.35
Qts0.34
Vas225L
Ref. Efficiency1.6%
Sd1680cm2
EBP82Hz

Product description

The supplier lists this product. Its stated application is Professional Audio. The listed model is 21SW152-4NW. The specifications below reflect the information publicly displayed on the listing. Noise: 96dB. Model NO.: 21SW152-4NW. Speaker Material: Compatible. AES Power Handling: 3000W.

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 4ohm Subwoofer with 2500W Power?

The listed minimum order quantity is 30 pieces. Tell us your quantity in the inquiry form and we will confirm it with the manufacturer.

How much does 21 Inch Neodymium 4ohm Subwoofer with 2500W Power cost?

The published price is US$278.00 – 306.00 per piece, with lower tier prices for larger quantities. 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 4ohm Subwoofer with 2500W Power
21 Inch Neodymium 4ohm Subwoofer with 2500W Power
21SW152-4NW · US$278.00 – 306.00 · MOQ 30 Pieces
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