PFM141

DH-PFM141

PFM141.jpg

Features

  • Omni-directional condenser microphone, high fidelity;
  • 30KV Air contact ESD, built-in Lightning Protection, power supply polarity reversal protection and electrostatic protection; with ALC, DSP digital noise reduction processing and AGC processing;
  • Easy to install, match with cameras or storage devices which have audio function!

Compatible IP Cameras

  • X

Compatible HD-CVI Cameras

  • X


Specifications

Model DH-PFM141
Properties
Scope 5-100m2
Sensitivity -32dB(-45~-15dB adjustable)
Frequency response 20Hz~20kHz
Directional characteristic Omni-directional
SNR 80dB(1m 40dB 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 DC 12V(9~15V)
Working current 60mA(50~100mA)
Working temperature -30℃~+70℃
Color White
Outer shell PC
Dimension ɸ78mmx26mm
Weight 73g
Carried standard CE/FCC