Pyle PLPW15D 15-Inch 2000 Watt Dual 4 Ohm Subwoofer Black Steel Basket - 95 OZ Magnet Non-Press Paper Cone - 1000 Watts RMS / 2000 Watts Max Power Specially Treated Foam Surround - SPL: 92 dB 2.5'' 4 Layer Dual Voice Coil - Spring Loaded Push Down Speaker Terminals Dual 4 Ohm Impedance - Dimensions: 15.3'' (Diameter) x 6.3'' (Depth)