Overview Rockford Fosgate P3SD4-12 The Rockford Fosgate P3S series shallow mount subwoofers deliver Punch, designed to deliver big bass in a tight space, with its low profile mounting depth design The Punch P3SD4-12 is a slim 12" 4-Ohm DVC (dual voice coil) subwoofer with 400 Watts RMS / 800 Watts Max power handling and custom 10-AWG nickel plated push terminals Featuring anodized aluminum cones and dustcaps, with a unique spider venting design to keep the motor cooler and a new hybrid stamp-cast basket providing super strength while minimizing weight and resonance Famous Rockford Fosgate build quality with a full 1-year warranty when purchased from an authorized Rockford Fosgate reseller.