Need help for install mic on camera

Thread Starter

Gotcha000

Joined May 8, 2018
1
Hi, i have to put a mic on a camera, but the camera have just a audio input and the mic need amp with 3-5 volt power to work.
The camera is a Bosh autodome 4000HD.
http://resource.boschsecurity.com/documents/AUTODOME_IP_4000_HD_Data_sheet_enUS_19166796555.pdf

The mic is a axis t8351.
https://www.axis.com/files/datasheet/ds_t83_54493_en_1401_hi.pdf

I have already this audio amplified, but i have to give voltage to mic, but my knowledge in audio is limited...
http://www.droking.com/pam8403-powe...-power-supply?search=pam8403&description=true

I have buy a LM358 to build a preamp for the mic, but i don't really know how to calculate the resistance and capacitor needed.

I need help from someone know how to do this.

Thank !
 
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