About iWOW
The ultimate iTunes audio enhancement plug-in for Mac users. Features:

-Sleek easy-to-use interface design with energized light pulses
-Amazing 3D sound, using SRS Labs’ state of the art audio enhancement technology
-Enjoy deep and rich bass-even from smaller speakers
-Choose from many cool presets for you music, videos, and podcasts
-Includes custom settings for desktop speakers or headphones
-Compact mini mode display option

What’s New in this Version
-Adds manual registration capability
-Fixes menu insertion errors



http://www.apple.com/downloads/macosx/ipod_itunes/iwow.html

Muito bom! Até o som original do iMac fica bom.

No MBP a diferença é notável, mas no iPod HiFi ligado pelo Airtunes não funciona...