B&C 21DS115-4 21" Professional Neodymium Subwoofer 4 Ohm
B&C designed the 21DS115 21" high output subwoofer to produce more output and lower distortion than any other comparably priced driver. With high excursion, incredible efficiency, and excellent power handling, this driver has true earth shaking output capability.
Key Features
- 99 dB efficiency to ensure high output even with modest amplification
- Double silicone spider keeps excursion linear even beyond rated Xmax
- Neodymium magnet allows a very high force factor without excess weight
- 4.5" four layer CCA voice coil allows high power handling and Bl
- Aluminum shorting ring help control the voice coil for lower distortion
Your Price: $735.00
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MSRP: $1,225.00
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B&C Speakers 21DS115-4 Specifications 
California Prop 65