There’s an ALSA mixer issue.
Quick fix(es):
a) ssh into your USBridge
then e̶i̶t̶h̶e̶r̶:
b̶1̶)̶ a̶m̶i̶x̶e̶r̶ ̶c̶s̶e̶t̶ ̶"̶$̶{̶x̶}̶"̶ ̶1̶0̶0̶%̶
or
b2) alsamixer -c 1 , rightarrow to each vertical bar and uparrow to bring the volume to 100%
There’s an ALSA mixer issue.
Quick fix(es):
a) ssh into your USBridge
then e̶i̶t̶h̶e̶r̶:
b̶1̶)̶ a̶m̶i̶x̶e̶r̶ ̶c̶s̶e̶t̶ ̶"̶$̶{̶x̶}̶"̶ ̶1̶0̶0̶%̶
or
b2) alsamixer -c 1 , rightarrow to each vertical bar and uparrow to bring the volume to 100%