raspberry pi audio test
speaker-test
speaker-test -Dhw:2,0 -c2 -twav
mp3
- download a test mp3 here. Tech-dat/audio-dat/mp3-dat/test.mp3
mpg123
sudo apt install mpg123
mpg123 /path/to/audiofile.mp3
speaker-test -Dhw:2,0 -c2 -twav
sudo apt install mpg123
mpg123 /path/to/audiofile.mp3