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    Round High Fidelity Pickups NIS-K-5

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      Pointing characteristics: Omni-directional
      Indoor and outdoor: indoor installation
      Shell material: metal shell + metal mesh cover
      Installation mode: Ceiling mounting, desktop mounting
      Industry applications: education recording, judicial prisons, finan
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    1, using high-sensitivity omnidirectional capacitive microphone, omnidirectional pickup, clear and natural sound;
    2, built-in lightning protection, reverse polarity power protection and electrostatic protection;
    3, adaptive dynamic noise reduction processing, built-in high-speed DSP digital signal processor;
    4, built-in digital noise reduction signal processing circuit, to effectively prevent voice signal distortion and attenuation;
    5, the United States BOURNS special potentiometer, reliable volume adjustment;
    6、Built-in automatic noise identification module to minimize environmental noise;
    7、Compliant with RoHS standards, the structure does not contain hazardous substances banned by the EU.
    8, high-fidelity pickups for customers to provide environmental sound collection equipment, with noise reduction effect, can be directly connected to Hikvision monitoring equipment.

    Listening area: 5 ~ 150 square (continuously adjustable)
    Audio transmission: 3000 meters
    Pointing characteristics: Omni-directional
    Frequency response: 20Hz ~ 20kHz
    Sensitivity: -32dB
    Signal to noise ratio: 80dB (1 m 40 dB source SPL) 30dB (10 m 40 dB source SPL) 1KHz at 1 Pa
    Dynamic Range: 104dB (1KHz at Max dB SPL)
    Maximum sound pressure: 120dB SPL (1KHz,THD 1%)
    Output impedance: 600 ~ 1000 Ohm unbalanced
    Signal amplitude: 2.5Vpp/-25db
    Microphone: high-fidelity silver-plated condenser head
    Signal processing: DTS digital noise reduction, AGC automatic gain, ALC automatic level control
    Protection circuit: Lightning protection, power supply polarity reversal protection
    Connection : 3 leads (red power positive, white audio positive, black common ground)
    Output cable : RVVP3×1.5mm2, (please use shielded cable for electromagnetic complex environment)
    Dimensions : 78mm(diameter)×28mm(height)
    Availability : In stock. Samples available for testing.

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