- sizheng cctv video surveilance microphone
Brand Name: SIZHENG
Model Number: COTT-S4
Type: CCTV Mircophone
Sound Monitor Range: 3 meters
Frequency : 100Hz~20KHz
Main Material: alloy
Supply Voltage: DC9V-20V (recommend to use 12V, more than 500 meters recommended 15V)
Working Current: 30mA
Working Environment: -20℃~75℃
Product Size: 102mm*75mm*25mm
SIZHENG COTT-S4 Desktop CCTV microphone audio surveilance audio monitoring voice pickups security system for meeting room
Key Features of SIZHENG COTT-S4 cctv audio microphone
1.With tough alloy pedestal and double metal net design, clear voice,loud voice.
2.Using advanced KaBoni complementary enhanced digital capacitor microphone, 3 meters in higher clear voice.
3.Single directivity sound pick-up mode or dual directivity sound pick-up, can effectively prevent roads, shopping malls, traffic noise interference.
4.Built-in ALC microprocessor chip control circuit, automatically control high intensity sound, reliably protect back-end audio monitor equipment
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.Widely used in the counter, meeting rooms, processing hall, the desktop and indoor environment of synchronous audio and video monitoring recording.
Specifications of SIZHENG COTT-S4 cctv audio microphone
|Audio Monitor Range||3m|
|Audio Transmission Distance||3000m|
|Frequency Response||100Hz ~ 20KHz(90dB sound pressure,A weighting)|
|Sensitivity||-35dB(10.0mV e 1V at 1Pa)|
|SNR||80dB(1m40dB) 80dB(10m40dB) 1KHz at 1Pa|
|Directional Property||Uni-directivity/double directivity|
|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 complementary enhance digital capacitor microphones|
|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 lead 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|
|Place of Origin||Guangzhou,China|
|Approvals||CE,ROHS, FCC, ISO9001|
More SIZHENG Products You May Interested
1.We will send the goods within 7 working days after your payment is verify by Aliexpress.
2.Our free shipping only included China post air mail, and the weight should be within 2KG. Please notice the China post air mail are slowly. If the weight over 2KG, you should responsible for the shipping cost.
3.If you want to send by EMS, DHL and UPS, you should pay for the shipping cost.
4.You will trace the goods online after sending the goods 3-7 working days.
5.Please check your goods on the shipping company when you receive the goods.
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