Transformer Taps (Transformer Version Only) 7.5, 15, 30, 60 w at 70 vFrequency Response (-10 dB) 52 - 20000 HzSensitivity 1 W/1 m 90 dBLF Transducer 6 inch with 6 inch passive radiatorHF Transducer 1 inch Titanium dome tweeterNominal Impedance (Passive) 8 OhmEnclosure Material Zinc Plated MetalHeigh..