The JL 12W7 is an incredible subwoofer created by one of the premier car audio companies, JL Audio. The 12W7 uses six patented JL Audio technologies to put this woofer among the top of its class. It uses an exclusive floating cone attach method to keep the voice coil secure and firm. The plateau-reinforced spider is tested to withstand a lot of use and will ensure that your woofer lasts a long time. This subwoofer isn't a short term investment. The 12w7 will provide you great bass and fantastic sound quality for years to come. JL's unique OverRoll foam surround allows for some intense excursion and a high Xmax. With 1,000 watts of power running through this subwoofer, you are going to be experiencing a whole new world of bass. Distortion is reduced with the help of W-Cone technology. If you have never heard the 12W7 before, get ready to take your car audio system to the next level!