Recommended amplifier power  15 - 100 Watts
Maximum Sensitivity (2.83Volts @ 1m)  85dB
Nominal impedance  6 ohm
Frequency response (-6dB)  140Hz-78kHz
Drivers
HF  15mm (5/8") titanium dome, Neodymium magnet system
LF  75mm (3 inch) paper cone