How to turn up and down volume programmatically on raspberry pi?

Hello,



I have the 4 speaker array connected to raspberry pi via USB.



How do I adjust the volume of the speaker connected to the respeaker headphone jack?

Hi there, please try the link and see if it works. thanks.



<LINK_TEXT text=“https://die-antwort.eu/techblog/2017-12 … mand-line/”>https://die-antwort.eu/techblog/2017-12-raspberry-pi-usb-audio-interface-command-line/</LINK_TEXT>



Seeed techsupport team

Bill