PowerBass 3XL Series Subwoofer 15-Inch Dual 1 Ohm 3XL-151D - $140 (Warren)

subwoofer with 1,000 watts of power and a self-resonance frequency of 27.
3 Hz.
It has a dual 1-ohm impedance, a non-pressed raw pulp cone, and a U-turn high roll treated foam surround.
Other features include: 3-inch vented HD BASV voice coil former Perimeter aero-vent voice coil cooling vents Non resonance DDC coated cast aluminum basket XTRA large double stacked motor structure