CCTV Audio Microphone | COTT-QD20S
- Directional Property: Omnidirectional
- Microphone wind: electret condenser microphone
- Suitable for simultaneous monitoring and recording of banks, schools, interrogation rooms, prisons and other environments
Audio Pickup Range |
10-80 m2 (adjustable) |
Audio Transmission Distance |
3000m |
Frequency Response |
20Hz~20kHz |
Sensitivity |
-45dB |
SNR |
70dB(1m40dB)50dB(10m40dB)1KHz |
Directional Property |
Omnidirectional |
Dynamic Range |
104dB (1KHz at Max dB SPL) |
Max Sound Pressure |
120dB SPL (1KHz,THD 1%) |
Output Impedance |
600 ~ 1000Ω non-equilibrium |
Output Signal
|
2.5Vpp/-25dB |
Microphone |
Electret condenser microphones |
Signal Processing
|
Directional logic dolby surround sound system,AGC,ALC |
Protective Circuit |
Lightning protection, power supply polarity reverse connect protection,ESD protection |
Connection Way |
3 leading wires
|
Transmission Cable |
RVVP3×0.5mm2 shield cable |
Supply Voltage |
DC10V~18V (recommend to use 12V, more than 500 meters recommended 15 v) |
Working Current |
50mA |
Housing Material |
Advanced resin PVC |
Product Size |
72 × 44mm |
Weight |
40g |
Place of Origin |
Guangzhou, China |
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