Legacy LBF107 Dual 10-Inch 1000 Watt Bandpass Subwoofer System NEW LEGACY LBF107 Dual 10" 1000W 4-Ohm Bandpass Car Audio Subwoofer System High Power 4 Ohm Subwoofers Brown Injected Polypropylene Cone Specially Treated Black Rubber Edge Suspension Bumped &amp; Vented Motor Structure