More info:
After plugging in, Sound Preferences dialog shows in hardware tab:
Premium Stereo USB Headset 350 1 Output/1 Input Analog Stereo Output + Analog Mono Input
If I press the button "Test Speakers", the Sound Preferences window closes, as if crashed. No sound.
Headphone input device does not show in Input tab.
Headphone output device does not show in output tab.
More info:
After plugging in, Sound Preferences dialog shows in hardware tab:
Premium Stereo USB Headset 350
1 Output/1 Input
Analog Stereo Output + Analog Mono Input
If I press the button "Test Speakers", the Sound Preferences window closes, as if crashed. No sound.
Headphone input device does not show in Input tab.
Headphone output device does not show in output tab.