JL Audio - Here is a Gotham g213 Home Audio subwoofer system waiting for final assembly .. With two Enhanced versions of the 13W7's and 3800 watts of power available from it's
JL Audio 13W7-D1.5 W7 Series 13.5" subwoofer with dual 1.5-ohm voice coils at Crutchfield
JL Audio 13W7 vs Memphis Car Audio VIV1422 - YouTube