The model PW-1513 subwoofer from Ningbo Dator Electronic Co. Ltd has an impedance of 8ohm. Nominal power handling is 800W while program power is 1,600W. The 15in model has a sensitivity of 95.7dB (1W/1m). It uses a 100mm-diameter copper voice coil and a 125oz magnet. The overall diameter is 390mm. Ningbo Dator has a 10,000sqm factory with an assembly line and a workshop.
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