- B&C 21SW152 Infra Bass in 21" (53cm)
- Power 4000W AES / 8 Ohms
- Sensitivity 96db 1w/1m
- Bandwidth 30Hz - 1KHz
- Mobile Coil 6.0" (153 mm) Copper Wire
- Magnet: Neodymium
- Total diameter: 547 mm Height 261 mm
- Weight: 18.5 Kg
- Recommended load: 190 Liters with tuning at 33Hz
- Fs: 32Hz
- Qts 0.36
- Xmax 15.0 mm
- Triple roll suspension
- Radial cone with waterproof treatment front/rear
- Double silicone spider
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