JL Audio 6W3V3-4 6.5" 16.5cm W3 Series Car Sub Subwoofer Driver 4ohm 150w RMS
(8.9 mm) one-way linear excursion. The 6W3v3-4 is best used with amplifier power in the 50W - 150W range and is optimized to operate in a tiny 0.15 cu. ft. (4.2 l) sealed enclosure, or a 0.25 cu. ft. (7.1 l) ported enclosure.