Loopback
Loopback is a Mac audio-routing app that creates virtual audio devices for sending sound between apps and hardware inputs.
What is Loopback?
Loopback is a native macOS audio-routing app that helps users move sound between applications and audio devices without physical cables. It is designed for podcasters, streamers, musicians, remote workers, and other Mac users who need custom audio setups for recording, monitoring, or live production. You can combine sound from multiple apps and input devices into a single virtual device, then send that audio to conferencing tools, recording software, or other audio apps. Its visual routing interface supports channel mapping and more advanced multi-source configurations, which is useful for podcasting, livestreaming, voice chat, and studio-style workflows. Loopback is published by Rogue Amoeba Software, Inc. and focuses on flexible internal audio routing for Mac.
Key features
- Create virtual audio devices for routing sound between apps and hardware
- Combine audio from multiple applications and input devices into one output
- Send custom audio mixes to recording, streaming, and conferencing apps
- Adjust channel routing with a visual patch-style interface
- Build complex multi-app setups with nested virtual devices
- Enable or disable parts of a routing setup without rebuilding it
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Safety overview
Status: Mostly safe
Loopback is legitimate audio-routing software for macOS. Because it works at the system audio level, it may install supporting audio components and request administrator approval during setup, which is normal for this kind of app. It can access audio from apps and input devices that you choose to route, so use care when working with calls, meetings, or recordings that may contain private audio. If you remove it, any virtual devices and audio workflows you created with it will stop working until the app is reinstalled or your setup is changed.
Recommendation: Keep Loopback if you use custom Mac audio routing for podcasting, streaming, recording, or conferencing. If you no longer rely on its virtual devices, you can remove it, but expect any apps or workflows built around those routes to need reconfiguration.
Common paths
/Applications/Loopback.app
Support paths
~/Library/Application Support/Loopback
Preference paths
~/Library/Preferences/com.rogueamoeba.Loopback.plist
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