Take a look at this app that lets you control each sound output and input level and do all sorts of things with sound on your Mac. You can get it <a href="https://rogueamoeba.com/soundsource/" rel="nofollow noopener" target="_blank">here</a>, plus there is a free trial. Anyone use something like this or this one in particular? I could see this being necessary software for some people. But I've gotten along fine without it for this long.
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