A free Mac tool for sending audio to multiple outputs
AudioRouterNow is a free macOS app that sends the same audio to several output devices at once. It can play through combinations such as headphones and speakers, or two separate audio . macOS usually lets sound go to only one output at a time, and the built-in workaround, Multi-Output Device, can stop the volume keys from working.
Paid tools such as Loopback and SoundSource handle broader audio routing needs, but AudioRouterNow focuses on this single job for free. After installation, it appears as a , and the menu bar lets you choose which real outputs should receive the sound. It uses a instead of a , so it does not require a SIP approval prompt, a restart, or a blocked system extension warning.
It works on macOS 12 Monterey and later, on both and . It can be installed through Homebrew or downloaded as a DMG from GitHub, and it uses the GPL-3.0 license.
Key points
- It sends one Mac audio stream to multiple output devices at the same time.
- It avoids the common volume-key problem of macOS Multi-Output Device setups.
- It uses a , not a , so setup should be lighter.
- It supports macOS 12 Monterey and later on and .
- It is free, GPL-3.0, and installable through Homebrew or a GitHub DMG.