how to transmit the input voice of microphone to speaker for real-time

I wnat to output the input voice of microphone to speaker for real time.

Is there a solution to send the input voice to headphone jack or speaker directly.

I don’t need to store the voice or transmit the voice to internet.

let me know the solution.



and I want to use the JST2.0 connector of speaker output.

Please let me know the part number.

Hi there,



You can record and play at the same time by below command. thanks.



arecord | aplay