Telover wrote: > I cannot hear any sound in the headphones or from the speakers. Are they connected to the Fast Track Pro? What are the contents of /sys/module/snd_usb_audio/parameters/device_setup? What is the output of "amixer -c Pro contents"? Does "aplay -D plug:Pro something.wav" work? Regards, Clemens _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/listinfo/linux-audio-user