Why do audio devices have low default volume in pulseaudio?

Solution Unverified - Updated -

Issue

Attaching a USB headset, PulseAudio assigns it a very low volume. Gnome-sound-properties seems unable to raise this volume effectively higher. The only way to get the volume up is to use alsamixer -Dhw -c1 and raise the master volume from there.

Environment

  • Red Hat Enterprise Linux 6
  • pulseaudio-0.9.21-13.el6.x86_64

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