We just mentioned Loopback 1 in a piece about podcasting tools and confessed we'd only opened it once in months. It was meant as praise for a tool we lean on constantly and don't have to think about.

The simplicity of version 2 of Loopback makes it even easier to access its powerful features for combining and controlling audio sources, including the sound output of apps. A typical configuration ...

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 ...

You'll buy Loopback for one job, and then keep finding more uses for this sound routing app for your Mac. There are reasons why musicians choose Macs instead of PCs and Loopback 1.1.5 is one of them.