DC 3V-12V MAX9814 Electret Microphone Amplifier Board with AGC Function NEW

With AGC function,for hearing aids,conference microphone,loudspeaker and other devices.The output can directly drive an ordinary 32 European headphones(if you need more output,it is necessary at the output plus a preamp or amplifier)(suitable for single 18650 battery or battery-powered mobile phone use)
Supply voltage:3V-12V(3V-4.2V connect VCC,4.3V-12V connect 2pin socket)
AGC switch:Plug in supporting the shorting cap AGC function OFF,no AGC insert shorting cap open.

Package :

1PCS MAX9814 DC 3V-12V Electret Microphone Amplifier Board with AGC Function+Cables

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    We ensure our products work normally before post.If the products is broken before arrival to you,all you should do is taking a photo to show us our broken product.We promise to payback 100% of your money.

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  • If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.

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Le 02-sept.-21 à 05:28:08 Paris, le vendeur a ajouté les informations suivantes :

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