From Hydrogenaudio Knowledgebase
Whamb is an cocoa based audio player for Mac OS X. Freeware/donationware.
- Easy of use, and a look and feel
- Hierarchical playlists (Finder-like) with sync option (to keep your playlist up-to-date)
- Very high audio quality and fidelity output
- Player's window fully skinnable (several skins provided)
- Fast: Whamb uses less CPU time than any other media player
- Easy playlists and songs sharing using Apple's Rendezvous technology!
- IPv6 supported (for streaming)
- Reliable: real-time decoding option
 Supported formats
- MP3, Ogg Vorbis (with Icecast streaming)
- Audio CD
 Supported languages
 Supported platforms
- Mac OS X (10.2 "Jaguar" or higher)