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CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security DVR Cameras Surveillance Monitor
CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security DVR Cameras Surveillance Monitor
CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security DVR Cameras Surveillance Monitor
CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security DVR Cameras Surveillance Monitor
CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security DVR Cameras Surveillance Monitor
CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security DVR Cameras Surveillance Monitor
CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security DVR Cameras Surveillance Monitor

CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security DVR Cameras Surveillance Monitor

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Price:$4.55 - $5.20

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Product Overview

Description


CCTV Microphone Audio Input Wide Range Audio Pick Up Sound Device For Security  DVR  Cameras Surveillance Monitor


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Description


 Built-in digital processing circuit and multistage dynamic noise reduction processing
 Clear voice, low noise
 The echo eliminates technology and Reduce the empty room echo.
 Pinhole type design, convenient hidden installation
 AGC automatic gain circuit
 Monitor range: 10~50 square meters.
 Apply to public security organs, trial, supervisor of the warehouse, divisions, police station, telecommunications, bank Treasury departments

Parameter


 Voltage: linear power supply (transformer) DC9-12 v
 Electric current: 20MA
 Frequency range: 100-100 KHZ
 Output impedance: 600 ohm non equilibrium
 Transmission distance: 3000 meters
 Directivity:Omni-direction
 Signal-noise rate: 60db
 Sensitivity: -40db
 Connecting mode: red (power+) black (public) white (audio+)

 


 



Company Information


H25 





FAQ












































1. When can you get response to your inquiry ?


    >>Usually quote within 24 hours after we get your inquiry.
    >>If you are very urgent to get the price, please call us or tell us in your email or skype or wechat so that we will regard your inquiry priority.


2.We always pay attention to product's quality.How about the quality of your products?


   >>Our factory has gained the ISO9001,ISO14001 certification. Therefore we keep improving to provide more and better products for our customers.


3.How can I get a sample to check your quality?


   >>Samples within 5-7 working days or earlier
   >>After price and more details confirmed, you can require for samples to check our quality.
   >>If you need the samples, we will charge for the sample cost .
   >>But the sample cost can be refundable after order confirmation when your quantity of the order is more about the MOQ.



4.Can your company do OEM&ODM cable assembly?


   >>Yes, we can do cable assembly as customers' requirements and designed drawings.
   >>We also can design the drawings as customers samples or descriptions.


5.Can you give me some advices on how to buy the dc connector?


 >>You should confirm the Contact Gender,Rating Current,Size of Plug,Length,Material and Wire Gaugeand so on.
 >>If you have any inquiry,please feel free to ask us and we'll try our best to help you!


6.Do you test all your goods before delivery?


 >>Yes, we have test before delivery.




 




Contact us


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