Microphone material:steel mesh + zinc alloy tube
Frequency response:20 hz-20khz
Sensitivity:45 dB ± 1 db
Output impedance:150Ω ± 30% (1 khz)
Load impedance:≥1000Ω
Equivalent noise level 16 dba
Current:3mA
Signal to noise ratio:78 decibels
Microphone output interface 3.5 mm
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