I was looking at speakers for my PSP for months before I finally settled on this one. So the most important thing here is the sound quality and it does sound great- room filling sound with no tinny highs and of course no bass. Just clear, loud sound. What I really love is that you can hook up any MP3 player to the audio jack (or even a laptop or PC). I also like that it can run on AC (included) or batteries.Now I like the case that it comes with but unfortunately there's no room for the PSP to go in it. So it's cumbersome to travel with. But hey you can always get really compact speakers that sound like...