Background Music is a macOS audio utility that can automatically pause your music, set individual apps' volumes, and record system audio.
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Volume Mixer Alternatives for Mac
There are many alternatives to Volume Mixer for Mac and since it's discontinued a lot of people are looking for a replacement. The best Mac alternative is Background Music, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Volume Mixer and four of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Volume Mixer are SoundDesk, Sound Control and Volume Scroll.
Alternatives list
13 Background Music alternatives
19 SoundDesk alternativesSoundDesk is the easiest way to turn your macOS into a professional mixing desk.
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Sound Control adds per-app volume and EQ controls to your Mac apps. Route your apps to different audio devices. Add volume controls to your devices.
Volume Scroll lets you control your main volume by hovering with your mouse cursor over the top menubar and scrolling up or down to change your volume.
Does the same, but is way more flexible!