Type: Floor Standing Speaker, Design: 3 Way Vented, Driver Size : HF 1" dome tweeter, MF 1 x 5",LF 2 x 6", Amplifier Power: 60 -150 watt, Nominal Impedance: 8Ω, Sensitivity : 89dB, Frequency Response : 50Hz-20kHz , Dimensions (WxHxD):1000mm x 210mm x 293mm,Weight:19.2kg