The Skar Audio ZVXv2 subwoofer line is the go to subwoofer when it comes to SPL. Designed to be the best competition subwoofer on the market each ZVXv2 subwoofer features a 3-inch high temperature voice coil, massive 3-slug motor, competition grade cone and a high roll foam surround. The ZVXv2 has been proven in the competition lanes  win after win and they will not let you down.