Hi Roman, I didn't have PulseAudio Jack Sink / Source listed. I found this tutorial: http://www.linuxmao.org/tikiwiki/tiki-index.php?page=pulseaudio+vers+jack and now everything is working! a startup script for qjackctl: #!/bin/bash pactl load-module module-jack-sink pactl load-module module-jack-source that's it! pat