BlackHole
MacAdvanced Virtual Audio Routing for Mac
Overview
BlackHole is a free, open-source virtual audio driver for macOS that enables seamless audio routing between applications. It supports multi-channel configurations (2,16,64 channels) to suit casual users and professionals like podcasters, streamers, and musicians. Ideal for recording system audio, mixing app outputs, or sending audio to streaming tools, it integrates smoothly with GarageBand, OBS Studio, and QuickTime. Lightweight and hardware-free, it’s a cost-effective solution for flexible audio routing needs on Mac.
Key Features
- Virtual audio routing between apps
- Multi-channel support (2-64 channels)
- Open-source and lightweight
- Integration with popular audio/streaming apps
Top Alternatives
Loopback (paid, with intuitive GUI)
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Tool Info
Pros
- ⊕ Free and open-source
- ⊕ Flexible for professional and casual use cases
- ⊕ No extra hardware required
Cons
- ⊖ No dedicated GUI; configured via macOS Audio MIDI Setup