Rockford Fosgate P2D4-10 Powersport Subwoofers 45 Watt x 4 Channel

45 Watt x 4 Channel Amplifier: The Alpine KTP-445U Head Unit Power Pack employs a 45 watt x 4 channel amplifier

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4 gauge complete power

We do not recommend the use of this subwoofer with a passive crossover (coil)

Rockford Fosgate P2D4-10 Powersport Subwoofers 45 Watt x 4 ChannelThe Rockford Fosgate P2 10 subwoofer continues The PUNCH tradition. The P2D4 10 features a Dual 4 Ohm voice coil, 300 Watts RMS power handling, and can accommodate a grille insert using the included cast aluminum trim ring. Rockford Fosgate has always been known as "The PUNCH" and the P2 10" subwoofer certainly continues with the tradition. Kevlar fiber reinforced paper cones deliver bass impact you can feel along with VAST technology to increase