Matrix voice speaker connector

hello, i am using a matric voice and i made my speaker jack works however i want to use the speaker connector on the matrix voice. i soldered a microphone, however i cant hear anything. is there a configuration i should make?
thanks in advance.

Hi @jean,

You soldered a speaker?

If you want to use the DF13 speaker connectors instead of the audio jack, this post should help you!

Best,
Samreen