SW12a-D4 - DD Audio Digital Designs 12" Dual 4-Ohm 600W Subwoofer. Impedance: D2 / D4. DVC 2 Ohm, DVC 4 Ohm. Speaker Size (In): 12. High Temp 2” Voice Coil. Watts RMS: 100 - 300. Magnet Weight (Oz): 55.
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