Speaker midrange glass 4 "100Watt RMS. - 200Watt MAX.
Diameter: 100mm (4'')Impedance: 8 & 4 ohmPower: 100 wattMaximum Power: 200 wattFrequency Response: 600-8000HzMagnet Weight: 360 grSensitivity 1w, 1m: 91 dB