JL Audio 10TW1-2 10 Inch Sub TW1 Series Shallow Mount Subwoofer 2 ohm 300w RMS10TW1 2 10 inch (250 mm) Subwoofer Driver, 2 TW1 10 inch Subwoofer (300 W, 2 ) Built on JL Audio's patented thin line subwoofer technology, the 10TW1 delivers a powerful combination of shallow mounting depth and excursion capability, while operating in insanely small enclosures (0. 35 cu. ft. 10 liters). This, combined with a special cast alloy frame design, makes the 10TW1 capable of operating in extremely tight spaces. These include under seat