Y-DJ Replacement Midbass-Midrange Speaker 15" 500w Professional Raw Loudspeaker for Pro-Audio Professional woofer speaker that can handle most power amplifiers. Perfectly suited for Pro-audio, line arrays, car doors & side panels 15 inch woofer with a 50 oz Magnet and a 2 inch Voice Coil 500 Watts Peak Power / 250 Watts RMS Power, 8 ohms, 50Hz to 3KHz Frequency Response, 95dB Sensitivity Pressed Steel Chassis, Paper Cone, Cloth Edge Overall Dimension is 15 inch Mounting Depth is 5.5 inch