Re:About the OS X Yosemite v10.10.4 Update
by mrdek11 on Tuesday June 30, 2015 @12:07PM
(#9806283)
Hold Option/Alt while clicking the speaker icon on the menu bar, and it'll give you a list of output devices to choose from
[ Parent
| on HN ]
I've had a similar problem where it would sometimes think my lineout speakers also have a microphone. This trick doesn't work because it completely removes the "Internal microphone" option, replacing it with a nonfunctional "External microphone" option.
replied here: https://news.ycombinator.com/item?id=9806321 - switching audio to the hdmi device had no effect
Re:About the OS X Yosemite v10.10.4 Update
by chaosphere2112 on Tuesday June 30, 2015 @12:35PM
(#9806492)
Also buried in System Preferences -> Sound -> Output (or Input), along with some additional controls like balance and a preview of the input level.
/Applications/Utilities/Audio MIDI Setup.app