The Pyle PLPW15D is a 15 Inch, 2000 (4000W per pair) watt subwoofer designed with the bass lover in mind. This subwoofer will make your music growl in your vehicle or at home, in any type of enclosure: sealed, vented, or open air. The black steel basket and non press paper cone look sleek and the 95 oz. magnet, 2.5 Inch four layer dual voice coil, and specially treated foam surround, make it sound great too. Black Steel Basket Non Press Paper Cone Dual 4 Ohm Impedance 1 buy = 2 subwoofers