Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For Surveillance Kits

$9.99

In stock

  1. Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For Surveillance Kits.
  2. Multiple frequency selective inhibition of effective environmental noise, pure tone, dynamic brave.
  3. Automatic gain control (AGC) circuit.
  4. Sensitivity can be adjusted.
  5. Low noise, high fidelity.
  6. Power polarity protection circuit. Gum design, convenient installation.
  7. For the school, bank, factories and other environmental synchronous recording project.
Voltage: linear power supply (transformer) dc 9-12 v
Electric current: 20MA
SNR(Signal to Noise Ratio):70db
Frequency range: 100-100 KHZ
Audio Monitor Range:80sqm(adjustable)
Working Environment::-30 Degrees Celsius ~60 Degrees Celsius
Output impedance: 600 ohm non equilibrium
Connecting mode: red (power+) black (public) white (audio+)
Apply to Hikvision, dahua, hanbang and other video recorder Surveillance kits
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Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For Surveillance Kits