200 Watts RMS/500 Watt PeakSensitivity (1W @ 1M): 89.2 dB Frequency Response: 55-6 KHz 40 oz Magnet 1.5" Kapton Voice Coil Stamped Steel Basket Strong Black Paper Cone Cloth Edge Suspension Bumped & Vented Pole Piece 8 Ohms Impedance