Rockford Fosgate : Rockford Fosgate P3D4-12 Punch P3 DVC 4-Ohm 12-Inch 600-Watt RMS 1200-Watt Peak Subwoofer. Rockford Fosgate Prime 750 Watt Class D 1 channel Amplifier. New Rockford Fosgate Prime 600 Watt Class D 4 channel Amplifier. Rockford Fosgate.

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