The Rockford Fosgate 10 Inch Prime R2 500 Watt 4 Ohm DVC Subwoofer pumps out awesome bass due to the mica injected polypropylene cone, and the Dual Voice Coil design gives you amazing installation flexibility. This subwoofer uses an anodized aluminum voice coil former that provides superior heat dissipation (up to 100° at max power levels). It has the capacity to handle power under continuous demand, conforming to CEA 2031 industry standards, and the stitched tinsel leads improve reliability and performance by reducing fatigue and possible shorting. The R2D4 10 also features: 12 gauge compression terminals, an integrated PVC trim ring, a liner spider with embedded 16 gauge tinsel leads, and a StampCast basket with integrated spider venting that keeps the motor cool. This sub is best suited for sealed or vented enclosures. Receive the bass response and installation flexibility you desire with the Rockford Fosgate R2D4 10 Prime R2 Subwoofer!