Key Features of SIZHENG COTT-C3 cctv audio microphone
1.With tough alloy base and double metal net design,clear and loud voice.
2.KaBoni gold plated vibrate membrane capacitor microphones,within 3 meters in high fidelity,high sensitivity, low noise.
3.Using USB power supply,3.5 MIC output lead, collect sound from single pointing or omnidirectional.
4.Equipped with high-pass filtering noise reduction circuit,effectively reduce the high and low frequency noise from environment and circuit
5.Built-in ALC microprocessor chip control circuit,automatically control high intensity sound,reliably protect back-end audio monitor equipment
6.Built-in lightning protection,power supply polarity reverse connect protection,ESD protection and power protection module.
7.Widely used in the counter,detention house,interrogation room,service window and other small house to synchronous video monitoring audio recording.
Specifications of SIZHENG COTT-C3 cctv audio microphone
|Audio Monitor Range||3 meters|
|Audio Transmission Distance||3000m|
|SNR||80dB(1m40dB) 50dB(10m40dB) 1KHz at 1Pa|
|Directional Property||Uni-directivity / Omnidirectional|
|Dynamic Range||80dB (1KHz at Max dB SPL)|
|Max Sound Pressure||120dB SPL(1KHz,THD 1%)|
|Output Impedance||600 ~ 1000Ω non-equilibrium|
|Microphone||KaBoni gold plated vibration membrane capacitor microphone|
|Signal Processing Circuit||DSP,AGC,ALC|
|Protective Circuit|| Lightning protection, power supply polarity reverse connect protection,
|Connection Way||USB power supply, 3.5 audio output|
|Transmission Cable|| Telephone wire,Network twisted pair, Shield cable
(pls use shield cable in complex electromagnetic environment)
|Supply Voltage|| DC 9V~18V
(recommend to use 12V, more than 500 meters recommended 15V)
|Housing Material||aluminium alloy|
|Place of Origin||Guangzhou, China|
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