Headphone:
Driver: PRO-G 40 mm
Frequency response: 20 Hz-20 KHz
Impedance: 39 Ohms (passive), 5k Ohms (active)
Sensitivity: 87.5 dB SPL/mW
Microphone (Boom):
Microphone pickup pattern: Cardioid (unidirectional)
Size: 6 mm
Frequency response: 100 Hz - 10 KHz