JL Audio Fathom F110 v2 SubwooferJL Audio Fathom F110 v2 10" Powered Subwoofer Gloss Black The Fathom f110v2 is the most compact subwoofer in the Fathom lineup but is fully capable of delivering stellar performance in smaller spaces. The combination of an ultra long throw W7 10 inch driver and a very powerful switching amplifier give it the kind of output normally associated with far larger subwoofer systems. Because it is built with the same driver and amplifier technology as our