Fact · Dictation on Mac
Apple says a Mac's sound port supports stereo output and mono input, and gives a headset with a built-in microphone as its example of mono input.
Checked against its source on October 17, 2026
In the source's own words
“This sound port supports stereo output and mono input (such as a headset with a built-in microphone).”
Change the sound input settings on Mac, Apple Inc., Apple Support, macOS User Guide, n.d., First paragraph, Change the sound input settings on Mac.
Open the original- What it measures
- Apple describes the sound port on Macs that have one. Apple's page on sound input settings lists the microphones a Mac can use: the internal microphone, a display's microphone, an iPhone microphone, or an external microphone plugged into the sound port.
- What it does not show
- The sentence describes what the port supports. It does not say that every headset works with Dictation, and it does not cover microphones connected over USB or Bluetooth.