86boxes Audio CCTV Microphone SIZ-155

Pickup Area: 10-60㎡
Audio Transmission Distance: 1000m
Frequency Response: 100Hz ~ 20KHz
Sensitivity: -45dB
SNR: 80dB ( 1m40 dB)40dB (10m40 dB) 1KHz 
Directional Property: Omnidirectional
Dynamic Range: 85dB (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: Electret condenser microphone
Connection Way: 3 leading wires: red wire is power+ (V) , black wire is power-& audio signal- (G), white is audio signal+ (A)
Transmission Cable: Telephone wire,Network twisted pair, RVV cable (pls use shield cable in complex electromagnetic environment)
Supply Voltage: DC9V-18V((recommend to use 12V, more than 500 meters recommended 15V)
Working Current: 25mA
Working Environment: -25℃~70℃
Color: White
Housing Material: PVC
Product Size: 90mm×90mm×10mm
Place of Origin: Guangzhou, China

Product Overview

  • In line with the international standard 86 boxes design, suitable for buried wall installation and embedded installation.
  • Built-in AGC micro controller, adjustable resistance control sensitivity, monitor is not distortion within 10-60㎡.
  • Internal circuit is optimized circuit by voice, power amplifier circuit, maximum noise cancellation, guarantee the output intensity.
  • Using dolby omnidirectional logic surround sound system, built in high-speed voice DSP processing units and dynamic noise reduction processing.
  • Built-in ALC control circuit, automatically adjust the voice high, low intensity and instantaneous voltage and current surge
  • Built-in lightning protection, power supply polarity reverse connect protection and power protection module.
  • Integrated professional front audio amplifier circuit, directly drive active speakers, DVR, earphone, etc.
  • Widely used in the conference room,classroom, corridor, and other environment of synchronous monitoring audio recording.

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Guangzhou Sizheng Electronic Technology Co.,Ltd.

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