G231

HEADPHONE:
Driver: 40 mm
Frequency response: 20 Hz-20 KHz
Impedance: 32 Ohms
Sensitivity: 90 dB SPL/mW

MICROPHONE:
Microphone Pickup pattern: Cardioid (Unidirectional)
Type: Pressure Gradient Electret Condenser
Frequency response: 50 Hz-20 KHz
Sensitivity:-40 dBV/Pa
re: 0dB=1 Pa, 1 KHz
Test conditions: 3.0V, 1 KHz