1" Driver - 30 W - 107 dB, Maximum Power Handling ** 60 W , Minimum Crossover Frequency *** 2.6 kHz, Sensitivity (1W/1m) **** 107 dB, Frequency Range 1.8÷20 kHz, Voice Coil Diameter 26 mm (1.02 in), Winding Material Copper Clad Aluminium,
Former Material Kapton ,Diaphragm Material Ketone Polymer,