W0v3 10-inch Subwoofer (300 W, 4 ?) The 10W0v3 is a rugged performer with excellent excursion capability and linearity and an overall performance envelope that puts it right at the top of its price class. It features a beefy 2 in. diameter voice coil and our Elevated Frame Cooling design for enhanced power handling and reliability. The 10W0v3 is best used with amplifier power in the 75W - 300W range and is optimized to operate in a compact 0.65 cu. ft. (18.4 l) sealed enclosure, or a 1.125 cu. ft. (31.9 l) ported enclosure.