1. To install Alsa sound (alsa-base, alsa-utils, alsa-tools and libasound2) enter this command:
2. Add yourself to the group audio:
3. Reboot to take effect
4. Alsamixer is sometimes muted by default, so you might need to unmute it. Run alsamixer:
Use arrows up and down to change volume, left and right to change source. To mute/unmute press M.
Взято вот тут