Yes it is.. The individual outputs are mono only. Send Left channel to channel 1 and right channel to channel 2.. Headphones are not useable with this device unless you have a hardware mixer. On Wed Apr 8 7:33 , Grammostola Rosea sent: >Hi, > >My father bought an delta 66, but he gets only mono sound out of it. >Tried it with headphone and cd player installation... Alsa and jack. Is >it the way of connecting the hardware? Suggestions and comments are welcome. > > >\r >_______________________________________________ >Linux-audio-user mailing list >Linux-audio-user@xxxxxxxxxxxxxxxxxxxx >http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user >) _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user