Rockford Fosgate P1S2-10 (11P1S210) Punch P1 Series 10" 500W Peak Power Handling 2 Ohms Single Voice Coil Component Car Subwoofer. When using the PVC trim ring the woofer is first mounted with four screws, then the ring is placed on top of the woofer, aligning the final four holes of the woofer with ring.
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