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  • Circular Hd Cctv Microphone Cott Qd55 - China

    price: 18.00 Dollar US$

    Pickup Area: 10-100㎡(adjustable)
    Transmission Distance: 3000M
    Frequency Response: 20Hz~20kHz
    Sensitivity: -35dB
    SNR: 70dB(1m40dB)40dB(10m40dB) 1KHz at 1Pa
    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 Amplitude: 2.5Vpp/-25db
    Microphone: Highfidelity silver plated vibration membrane capacitor microphone
    Microphone Quantity: 1pcs
    Signal Processing: DSP, AGC, ALC
    Protective Circuit: Lightning protection, power supply polarity reverse connect protection, ESD protection
    Connection Way: 3 leading wires(red lead is power positive wire, white lead is audio positive, black is public ground wire)/AV wiring system(DC female, RCA)
    Transmission Cable: RVVP3×0.5mm2 shield cable
    Supply Voltage: DC10V~18V (recommend to use 12V, more than 500 meters recommended 15V)
    Working Current: 20mA
    Working Environment: -25℃~70℃
    Color: White
    Housing Material: Advanced resin PVC
    Product Size: 86 mm×22mm


    Company Contact:


    • Phone: +8613570445556

    • Address: Baishashui Road,Changban industries Area,16th building,3th Floor, Guangzhou, Guangdong, China

    • Email: Email


    Published date: December 20, 2018 -

    • Business Description: We are the manufacturer of CCTV microphones be the audio frequency solution provider of Chinese industry-leading at present, selling different audio monitoring for CCTV cameras and related products. As a domestic real audio scheme developer, Sizheng is committed to provide users with the most conforms to the actual demand plan and products. At present, Sizheng products and solutions have been used by more than 6000 companies in China and abroad.

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