elgar?x BrouSonoR wrote: > in jackconnect : > - readable ports : > - 72:0 UR-80 > - 72:1 UR-80 > - 72:2 UR-80 > - Writeable ports : > - 72:0 UR-80 > - 72:1 UR-80 It seems jackconnect doesn't show the port names. Try "arecordmidi -l". > i have try to configure this UR-80 with "jazz" but it don't work These are MIDI ports. Do the audio ports show up in the output of "aplay -l"? Of not, what is the output of "lsusb -v" for this device? Regards, Clemens