earphone
unit input 3.5mm double track plug
frequency responce 80Hz – 2KHz
sensitivity 90dB
S/N Ratio > 80dB
distortion < 0.1dB
impedance 32Ω
dynamic range > 85 dB
output power 100mW
microphone
microphone type back electret high sidpersion style
output impedance 600 Ω
frequency response 60Hz – 8KHz
reference microphone distance 20 - 200cm
connect style imbalance
sesitivity 22dB ± 3dB
dispertion cordate
colour black