High Sensitive Sound Audio Monitor Security System Metal case CCTV Microphone

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Product Overview

Description


High Sensitive Sound Monitor Voice RCA Audio Pickup Device External Wired Microphone for CCTV Security System



Product Description


 


High Sensitive Sound Monitor Voice RCA Audio Pickup Device External Mini Wired Camera Microphone for CCTV Security System


Imported high-fidelity and low noise processing chip and a dedicated microphone, built-in automatic gain control circuit , voice clear and pure , dynamic and mighty, less noise.
Use codec technology amplifies the audio signal processing , effectively remove background noise and the sound of high-frequency interference , the unique design of the " closed-loop dynamic electronic noise suppression circuit " can completely eliminate the " hissing" electronic noise , perfect radio
Low prices, high cost performance. Suitable for large-scale installations
Applicable used in banking, telecommunications , toll lobby desk environment. Listening range 10-100 square meters.
Performance Parameters
Signal transmission distance : up to 3000 m
Frequency Response : 20Hz ~ 20kHz
Sensitivity :-35dB
SNR : 70dB
Directional characteristics : Omnidirectional
Output impedance : 600 ohms unbalanced
The output signal amplitude : 2.5Vpp/-25db
Connection: DC 12V positive red , black line is common ground , the white line of audio positive .
Transmission cable : 3-core shielded cable 0.5mmRVVP ordinary 4-wire phone lines, twisted-pair Category 5 network
Power supply voltage : DC 12V DC power supply
Supply Current : 20 mA
Working temperature : -30 °C ~ 60 °C
Standard: European CE standards, the U.S. FCC certification, ROHS environmental protection system, Zuigao Jian synchronized audio and video recording system construction specifications


 


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Company Information


Headquartered in Shenzhen, CLIR TECHNOLOGY LIMITED is an industry leading designer, developer and manufacturer of enterprise-level BNC Connectors, Video Baluns, Cables, CCTV Power Supplys, Microphones, CCTV Tester, CCTV camera housing and bracket. The company produces the most advanced and respected offering of CCTV Accessories based on its owned patented algorithms. Being a true manufacturer from board level design to hardware and software development, CLIR is able to control every aspect of the process from end-to-end.


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