Precise control of volume, screen and keyboard brightness
Here’s a keyboard shortcut tip for precise keyboard control of screen brightness and audio volume on Mac OS X.
Free System Wide Audio Equalizer and VST AU and IRs in Mac OS X
Here’s how you can add a free system-wide audio Graphic Equalizer (EQ) in Mac OS X. Better yet, it’s free. You can also apply you Audio Unit plug-ins to your system sound. Nice.