TidBITS, a respected online Mac newsletter, recently had an article comparing two portable speakers for use with the iPod. I would assume they would work with an iBook as well. http://db.tidbits.com/getbits.acgi?tbart=07706 Hope this helps, Mike W. Linda L.Rowe wrote: > Hello, > I am a yoga teacher and use my ibook for practically every part of > my little business. I travel to some of my classes and have found that > using my iTunes for relaxing music is much easier than lugging around a > boombox and CD's. However, I don't want to blow out the built in > speakers but I would like a fuller sound. Does anyone have any > suggestions for portable speakers that are compatible with the G4 > ibook? It does have a headset jack on it. I understand there are > speakers that need power and those that don't. I'm looking for small, > effective and no need of an extra power source (beyond the computer > battery/computer connected to power source). Again, I would be much > appreciative of any info. > Peace, > Linda