Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For Surveillance Kits
$9.99
- Adjustable Audio Pickup Microphone Sound Monitor Sensitivity Audio Monitoring For Surveillance Kits.
- Multiple frequency selective inhibition of effective environmental noise, pure tone, dynamic brave.
- Automatic gain control (AGC) circuit.
- Sensitivity can be adjusted.
- Low noise, high fidelity.
- Power polarity protection circuit. Gum design, convenient installation.
- 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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