Key Features of SIZHENG COTT-S2 cctv audio microphone
1.Designed for the classroom, warehouse and conference room of synchronization audio monitoring recording,imported with original packaging kit assembly.
2.Using advanced resin PVC material "square array around" design, effectively collect all-round sound
3.Product surface spray "Nano" diffusion coating, high weathering resistance, can ceiling or side wall installation.
4.Integration of professional automatic identify noise processing technology and AGC and DTS noise reduction signal micro processor circuit.
5.Built-in lightning protection, power supply polarity reverse connect protection, ESD protection and power protection module.
6.Long audio signal transmission technology, use the RVVP3 x 0.5mm2 shield cable, it is distortionless within 3km.
7.Suitable for warehouses, conference room, ask room, classroom and other inside environment of synchronous audio and video monitoring recording.
Specifications of SIZHENG COTT-S2 cctv audio microphone
|Audio Monitor Range||10-100 square meters (adjustable)|
|Audio Transmission Distance||3000m|
|Frequency Response||100Hz ~ 20KHz(90dB sound pressure,A weighting)|
|Sensitivity||-40dB(10.0mV e 1V at 1Pa)|
|SNR||80dB(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 digital noise reduction capacitor microphone|
|Signal Processing Circuit||Triangulation, DSP, Multistage dynamic noise reduction processing|
|Protective Circuit|| Lightning protection,power supply polarity reverse connect protection,
|Connection Way|| 3 leading wires
( red lead is power+,white is audio signal+,black is power- & audio signal- )
|Transmission Cable|| 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 15V)
|Electromagnetic Compatibility||GB 9254-2008|
|Reliability Index||MTBF equal or greater than 80000 hours|
|Housing Material||Advanced resin PVC|
|Place of Origin||Guangzhou,China|
|Approvals||CE,ROHS, FCC, ISO9001|
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5.Please check your goods on the shipping company when you receive the goods.