500 Watt Professional Premium PA 8'' Woofer 200 Watts RMS/500 Watt Peak Sensitivity (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 Sold as: Single Weight: 4.86 lbs.