Here are some of the features of the PylePro PDW21250:
21'' High Power Subwoofer
8 Ohm Impedance
1000W RMS/2000W Peak Power
22 Hz Resonance
Frequency Response: 22 Hz - 4K Hz
Sensitivity: 1W@1M: 107 dB
Magnet Weight: 350 Oz
4'' Aluminum Voice Coil
Diameter: 21.8''
Mounting Depth: 10.2''
Die-Cast Aluminum Frame LJD
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