Specifications:• Nominal power - 60W RMS• Maximum power - 120W• Sensitivity (2,83V/1m) - 91.8dB• Frequency response - 90Hz-21kHz• Cone type - Polyglass• Surround type - Butyl• Nom. impedance - 4Ω• VC diameter - 25mm 1"• Net weight - 550g 1.2lbs