Specifications:• Nominal power - 70W RMS• Maximum power - 140W• Sensitivity (2,83V/1m) - 94dB• Frequency response - 60Hz-21kHz• Cone type - Polyglass• Surround type - Butyl• Nom. impedance - 4Ω• VC diameter - 25mm 1"• Net weight - 950g 2.1lbs