Rockford Fosgate Power Series T1D412 - 12" T1 4-Ohm DVC Subwoofer
Power Series T1D412 - 12" T1 4-Ohm DVC Subwoofer. These bad boys have patented VAST technology that increases surface cone area up to 25% so the T1D212 performs like a much larger woofer over the previous model.