Parameter VR8.5F VR8.5C VR8.5S Impedance: 8 ohm 8 ohm 8 ohm Nominal power: 50-200W 50-200W 50-200W Frequency range: 30Hz-25kHz 80Hz-25kHz 80Hz-25kHz Sensitivity: 86dB(+ 3dB) 85dB(+ 3dB) 87dB(+ 3dB) Gross weight: 33.6kg/pcs 13.5kg/pcs 14.6kg/pair Dimensions(W*D*H): 1380*525*260mm 625*335*270mm 520*335*410mm