Audiopipe TXX-APC15BL 15" Woofer 2000Watt 4 ohm DVC 2000 Watts Power (P.M.P.O.) 1000 Watts Power (R.M.S.) Frequency Response : 20-600Hz Sensitivity: 98.6dB 3 4-Layer One piece Aluminum Voice Coil . One Piece Inverted Candy Color . Aluminum Cone . Pipe Shape Patent Cast Aluminum Basket . Mounting Depth: 208mm (8). Impedance: 2 x 4 Ohms . 150 Oz Magnet