Audio Monitoring Capacitive Microphone Amplifier Board Adjust Module 20-20KHz For Sale

Audio Monitoring Capacitive Microphone Amplifier Board Adjust Module 20-20KHz


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Audio Monitoring Capacitive Microphone Amplifier Board Adjust Module 20-20KHz:
$8

Audio Monitoring Capacitive Microphone Amplifier Board Adjust Module 20-20KHz Description: 1>.Item Name:Microphone Amplifier Board 2>.Model:SFT-MC08 3>.Work voltage:DC 9V-15V 4>.Work current:100mA 5>.Quiescent current:3.5mA 6>.Response frequency:20Hz-20KHz 7>.Monitoring range:200 square meter 5>.Work Temperature:-40℃~85℃ 6>.Work Humidity:0%~95%RH 7>.PCB Size:50*27*12mm Application: 1>.Monitoring place 2>.Recording equipment 3>.Amplifier products 4>.Walkie talkie Note: 1>.When the signal is too weak, or too close to the speaker, there may be blockage or self-excitation.At this time, user should lower the volume, or adjust the potentiometer to reduce the magnification. 2>.Can not be reversed, otherwise it will damage the module. 3>.It can not connect to speaker directly.It need connect to amplifier at first. Package: 1pcs Microphone Amplifier Board

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*We ship items to Worldwide. Thank you!

*we will ship out the order in 1-2 business days after payment cleared .Since it is international shipping ,delivery time is about 15--28 business days to arrive to most countries.

*If you choose expedited shipping, please confirm your phone number on address and make us a note about the custom declare price, It is very important.

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We accept Paypal ONLY. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances.

Returns Policy

* We believe our items are so outstanding. We are convinced you will be happy with your Purchase.

* If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.

* Please include your ID and item number with any email requests.

On Apr-18-19 at 13:59:17 PDT, seller added the following information:



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