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GWN21-125

⌀ 21 inch     NEO
Nom. Impedance: 4Ω
Voice Coil ⌀: 125mm
Continuous Program: 4000W
Sensitivity: 97dB
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Nominal Diameter 

21'' / 530mm 

Nominal Impedance 

4 Ω

DC Resistance 

3 Ω

Nominal Power Handling AES 

2000 W

Continuous Power Handling

4000 W 

Sensitivity 1W/1m²

97 dB

Frequency Range(Hz)

32-2K Hz

Voice Coil Diameter 

125 mm

Winding Depth 

30 mm


F0

32 Hz

Re

3 Ω

Qes

0.3 

Qms

4.25

Qts

0.33

Vas

257.8 dm³

Sd

1662 cm²

Xmax

±12 mm

Xvar

mm

Mms

301.88 g

Bl

23.49 T.m

Le

0.92 mH


Overall Diameter

546 mm

Bolt Circle Diameter

520 mm

Baffle Cutout Diameter

493 mm

Total Depth

265 mm

Flange and Gasket Thickness

14 mm

Net Weight

13.5 kg

No.of mounting holes

8

Mounting holes diameter

8.2mm



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Ningbo BTL Audio

We are a producer maintaining production bases in Ningbo and Guangzhou, designs and manufactures high-quality PA loudspeakers.
We integrate forward-thinking design, stringent materials, precision testing, and automated production with skilled assembly to guarantee exceptional quality and reliability.
Trusted by top audio brands, we deliver field-proven driver solutions. This enables our clients to save time on sourcing and testing, capture market trends faster, and minimize post-sale issues.
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