I think that should be viewtopic.php?f=14&t=45582 No "httpS"Edit: Came across this thread: https://forum.videolan.org/viewtopic.php?f=14&t=45582 . Although it is Windows oriented, see if any of the steps work for you on the Mac side.
Audacity works fine. http://audacity.sourceforge.net/lso, if you find any open source applications that can output audio to the device properly, please could you list it here? The idea being that the VLC developers can see if something is being done