dBpowerAMP Audio Player Release 2.2
This audio player levels the field by playing virtually every audio format imaginable.
It lets you customize your listening experience through it's various playlist options and audio adjustments.
Sit back and watch the spectrum analyzer or oscilloscope, edit ID tags and enhance your playlist with the crossfader.
There are far too many options to list them all separately here. If you want something more out of your audio player, this probably has it.