JL Audio 13W7 13W7AE 13.5 Custom Ported Sub Box Enclosure SPL & SQ Tuned 13W7-D1 | eBay
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JL Audio 13W7-D1.5 W7 Series 13.5" subwoofer with dual 1.5-ohm voice coils at Crutchfield
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 Subwoofer Spider With Dual Leads 10.25" x 3.5"
JL audio 13W7 AE subwoofer for Sale in Belleville, NJ - OfferUp