Loopback’s idea is simple, as is its interface: Any time you have an option for a single audio input (for example, Skype’s Audio/Video preferences or GarageBand’s live-recording option), you can use a ...
True, Rogue Amoeba's Loopback 2 is only a must-have app if you ever work with audio — but you probably do, so it likely is. The tool for routing audio between apps and audio devices gets a makeover ...