Hemispherical dynamic noise reduction pickups NIS-K3

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1, using high-sensitivity omnidirectional capacitive microphone, omnidirectional pickup, clear and natural sound;

2, built-in lightning protection, power supply polarity reversal 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 ~ 100 square (continuously adjustable)
Audio transmission 3000 meters
Pointing characteristics omnidirectional
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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