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Hd Cctv Microphone Cott Qd30 - China

price: 10.00 Dollar US$

Pickup Area: 5-150㎡(adjustable)
Transmission Distance: 3000M
Frequency Response: 20Hz~20kHz
Sensitivity: -40dB
SNR: 70dB(1m40dB)50dB(10m40dB) 1KHz
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: BOURNS large gilded vibration membrane microphones
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)


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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