Key Features of SIZHENG COTT-S8 cctv audio microphone
1.COTT-S8 bolt type outdoor waterproof in close range directional pickup, low noise, clear voice, design for outdoor engineering application.
2.Adopting tough attractive and durable metal housing, omniseal processing, bolt type design, can be embedded or bracket installation.
3.Using KaBoni advanced single directivity waterproof condenser microphone, in close range of 6 meters is clear voice.
4.Good performance of waterproof, moistureproof and dustproof , can continuous work 48 hours in the rain environment, accord with IP65 standard.
5.Using"Triangulation"array technology multistage dynamic noise reduction processing, catch complete and clear voice.
6.Integration of professional automatic identify noise processing technology and AGC and DTS noise reduction signal micro processor circuit.
7.Built-in ALC microprocessor chip control circuit, automatically control high intensity sound, reliably protect back-end audio monitor equipment.
8.Built-in lightning protection, power supply polarity reverse connect protection, ESD protection and power protection module.
9.Long audio signal transmission technology, use the RVVP3 x 0.5mm2 shield cable, it is distortionless within 3km.
10.Integrated ASIC front audio amplifier circuit, direct drive active speakers, DVR, earphone, etc.
11.Widely used in street for help station, highway alarm station, toll stations and outdoor audio monitoring.
Specifications of SIZHENG COTT-S8 cctv audio microphone
|Sound Monitor Range||6 meters (outdoor)|
|Audio Transmission Distance||3000m|
|Frequency Response||100Hz ~ 20KHz(90dB sound pressure,A weighting)|
|Sensitivity||-40dB(10.0mV e 1V at 1Pa)|
|SNR||85dB(1m40dB) 80dB(10m40dB) 1KHz at 1Pa|
|Dynamic Range||104dB (1KHz at Max dB SPL)|
|Equivalent Input Noise Level||2.5Vpp/10dB sound pressure(A weighting)|
|Max Sound Pressure||At 120dB SPL,THD < 1% At 125dB SPL,THD = < 10%|
|Max Voice Output||2.5Vpp/80dB sound pressure(A weighting)|
|Output Signal Amplitude||2.5Vpp/100dB sound pressure(A weighting)|
|Output Impedance||600~1000Ω non-equilibrium|
|Microphone||KaBoni advanced uni-diectivity waterproof capacitor microphone|
|Signal Processing Circuit||AGC&Triangulation&DSP&Multistage dynamic noise reduction processing|
Lightning protection,power supply polarity reverse connect protection,
|Connection Way|| 3 leading wires
(red lead is power+,white lead is audio+, black is power-& audio-)
|Transmission Cable|| Telephone wire,Network twisted pair,shield cable
(pls use shield cable in complex electromagnetic environment)
|Supply Voltage|| DC9V~20V
(recommend to use 12V, more than 500 meters recommended 15 v)
|Electromagnetic Compatibility||GB 9254-2008|
|Reliability Index||MTBF equal or greater than 80000 hours|
|Housing Material||aluminium alloy|
|Place of Origin||Guangzhou,China|
|Approvals||CE,ROHS, FCC, ISO9001|
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