HEADPHONE:
Driver: Pro-G 40 mm
Frequency response: 20 Hz-20 KHz
Impedance: 39 Ohms (passive), 5k Ohms (active)
Sensitivity: 107 dB SPL/mW
MICROPHONE:
Microphone Pickup pattern: Cardioid (Unidirectional)
Size: 4 mm
Frequency response: 100 Hz-20 KHz
Open Box