Route your Mac's audio to headphones, speakers and interfaces, all at once.
No driver. No restart. Sandboxed. Free.
AudioRouterNow v3.4.4 runs on macOS 11 Big Sur and later. It uses a HAL audio driver instead of the sandboxed Process Tap API. A one-time admin password is required to install the driver.
macOS 11+ · Apple Silicon · GPL-3.0 · Free
brew install --cask mauriciomorkun/tap/audiorouternow
Both versions are open source. The full code for the App Store app (v4, Apache 2.0) and this legacy build (v3.4.4, GPL-3.0) is public on GitHub.
Speakers, headphones, your studio interface, all playing together. And your volume keys still work, unlike macOS Multi-Output.
Built on Apple's Process Tap API: no HAL plugin, no kernel extension, no admin password. One click in the App Store, done.
Pick outputs from the menu bar. Plug in a device, it shows up instantly. Reboot. Your setup is still there.
No mixer, no routing diagram, no per-app rules. Pick your outputs, click once, done. No restart, no setup wizard.
AudioRouterNow 4 — in action
Why this exists
This started because I wanted active studio monitors and a passive pair on an amp running at the same time, off one interface. I assumed macOS had a setting for that. It doesn't. Audio MIDI Setup gets you a Multi-Output Device, but it breaks your volume keys and falls apart every time a device changes. A mixer would have solved it, but I didn't want another box on the desk. So I had this built instead. When it worked, there was no reason to keep it to myself. That's why it's free.
Want to mix sources, add effects, or route per app? Get Loopback or Audio Hijack. AudioRouterNow does one thing: one source, every selected output.