Pyle PPA12 Professional Premium Pa Woofer 200 Watts RMS/700 Watt Peak Sensitivity (1W @ 1M): 90 dB Frequency Response: 35-4 KHz 60 oz Magnet 2'' Kapton Voice Coil Stamped Steel Basket Strong Black Paper Cone Cloth Edge Suspension Bumped & Vented Pole Piece 8 Ohms Impedance Sold as : Single Stamped steel baskets Strong black paper cone Cloth edge suspension Bumped and vented pole piece 8 ohms impedance