: On macOS 14 and earlier, Sound Siphon requires a System Extension . To install this, you may need to boot into Recovery mode to grant permission for the extension to load.
: In your destination app (e.g., OBS or QuickTime), select your newly named "Sound Siphon" device as the Input/Microphone . Common Use Cases Sound Siphon 3.4.2
: Send game audio, music, and your microphone to viewers on Twitch via OBS. : On macOS 14 and earlier, Sound Siphon
: It can mix application audio into a stereo stream or capture each app on its own discrete channel. Setup and Installation Guide : On macOS 14 and earlier