post the output of alsa-info.sh
"lsusb -vvvv" of your usb audio device
and the pulseaudio verbose log when you reduce the volume
https://wiki.ubuntu.com/PulseAudio/Log
post the output of alsa-info.sh
"lsusb -vvvv" of your usb audio device
and the pulseaudio verbose log when you reduce the volume
https:/ /wiki.ubuntu. com/PulseAudio/ Log