macOS app

I/O Router

Keeps your preferred microphone active and switches to the next available device when it disconnects.

Free download

I/O Router priority lists, with input auto-routing enabled and Yeti Stereo Microphone active at the top of the priority list. Output routing is left to macOS.

I/O Router settings: launch at login, device-switch notifications, menu bar visibility, and Auto, Light, or Dark appearance.

Why I made it

My Mac kept switching to my AirPods Max microphone when I put on my headphones. I built I/O Router to keep my preferred microphone first and handle switching in the background. It’s my first public app, and something I use myself.