Per-App Volume Controls
Control the volume of your apps independently.
Opt-in apps to the system wide EQ with built-in and custom presets.
Mute Individual Apps
Silence specific apps so you can focus.
Full Hotkey Control
Set up hotkeys to control volume, mute and EQ for the foreground app. There is even a hotkey to mute all background apps.
+ Keyboard Volume
Add volume controls, including keyboard, to DisplayPort monitors, HDMI TV & Receivers, and other devices missing them.
All features are fully supported on OS X 10.9 through 10.12