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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Adding an aux input to a microphone

riccardo

Member
Hello,

I have a small PA unit that has a wireless microphone. The mic seems not to be very sensitive as I have to put it right to my mouth and speak loudly for any sound to come out at all.

I'm wondering what the best way is to a) improve the mic sensitivity. b) Is there a simple circuit I can use so I connect an external audio source to the PCB with the mic?
 

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