DAHUA CCTV MIC

Omnidirectional condenser microphone, high fidelity.
30KV Air contact ESD, builtin Lightning Protection, power supply polarity reversal protection and
electrostatic protection;
Pinhole design, hidden installation; match with cameras or storage devices which have audio function.
Scope: 540m2
Sensitivity: 40dB(45~20dB adjustable)
Frequency response: 20Hz'a1'ab20kHz
Directional characteristic : Omnidirectional
SNR: 70dB(1m 40dB sound source SPL)
Dynamic range: 104dB(1KHz at Max dB SPL)
Color: White