Kicker 10" Solo-Baric L7S 2 Ohm Subwoofer (44L7S102)Square Matters The Solo Baric's cutting edge, square sub design means more cone area, more air displacement and more volume than a round woofer. Features: Dual Two Ohm Voice Coils Injection Molded Polypropylene Cone Patented Corner Ribs Minimize Distortion SoloKon 360 Degree Back Bracing Ribbed Santoprene Surround With Blue Surround Stitching UniPlate Back Plate And Pole Piece, Plus Perimeter Venting For Excellent Thermal Management Thick Tinsel Leads