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
150db JL Audio Install w/ Brian's 13w7 Subwoofers & Two HD1200/1 Bass Amps | Loud SAAB Sound System - YouTube
JL Audio 13W7 AE ported subwoofer box SPECIAL EDITION with black plexi port trim | eBay
JL Audio 13W7 Subwoofer - Black for sale online | eBay