PFM140

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Omni-directional condenser microphone, high fidelity;
>30KV Air contact ESD, built-in Lightning Protection, power supply polarity reversal protection and electrostatic protection;
>Pinhole design, hidden installation; match with cameras or storage devices which have audio function!

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Model DH-PFM140
Porperties
Scope 5-40m2
Sensitivity -40dB(-45~-20dB adjustable)
Frequency response 20Hz~20kHz
Direction characteristic Omni-directional
SNR 70dB(1m 40 dB sound source SPL)
Dynamic range 104dB(1kHz at max. dB SPL)
Max. sustainable sound pressure 120dB SPL(1kHz, THD 1%)
Output impedance 600Ω(non-equilibrium)
Output signal amplitude 2.5Vpp/-25dB
Working voltage 16DC 12V(9~15V)
Working current 60mA(50~100mA)
Working temperature -30℃~+70℃
Color White
Outer shell PC
Dimension 63mmx30mmx22mm
Weight 34g
Carried standard CE/FCC

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