Applicable Standards
IEC 60318-4（IEC60711）ITU-T Rec. P.57 Type 2
Resonant frequency
13.5kHz±1kHz
Frequency range (±1 dB)
100Hz～10kHz (stimulating human ear impedance)
Frequency range
20Hz～16kHz (for coupled cavity)
Height
23mm (excluding microphone)
Diameter
23.77mm
Weight
45g (excluding microphone)