Mastering Audio MIDI Setup on Mac: A Hidden Gem for Audio Pros & Power Users

If you work with audio - whether you are a musician, podcaster, developer, or tester - Audio MIDI Setup on macOS is an underrated but powerful utility that can seriously improve your workflow.

What can you do with it?

• Create aggregate devices to combine multiple inputs/outputs into one virtual interface.
• Set up multi-output devices to send audio to multiple speakers/headphones at once.
• Configure sample rates, bit depth, and channel formats with precision.
• Route MIDI devices and test connections for virtual instruments.

Why it matters: Many people default to system audio settings, but this tool gives you fine-grained control - essential when dealing with complex setups, high-quality recordings, or syncing multiple devices.

Find it under

/Applications/Utilities/Audio MIDI Setup.

Pro tip: Combine this with apps like Loopback or Soundflower to route internal audio for recording or streaming.

Drop a comment if you have used Audio MIDI Setup in interesting ways - or if you are just discovering it now!

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