How to Equalize Your Computer for iTunes, Spotify, and Everything Else

Some people like to hear music precisely as it was recorded, which is why the most expensive audio equipment purports to do absolutely nothing to affect the original audio signal. Others like to tweak their sound. Whether you're on a Mac or PC, there's a way to set a global equalizer across everything--iTunes, browsers, Spotify, Rdio, Pandora, iHeartRadio, or whatever else you listen to. More