Sony XE200 X-Series Portable Wireless Speaker BlueBetter sound all around The XE200 has a Line Shape Diffuser that will help your music reach further, even to the side of the speaker. Plus, with a portable size and handy carry strap, you can take it anywhere you go with ease. Introducing the Line Shape Diffuser Inspired by the audio systems used at professional concerts, Sony's unique Line Shape Diffuser creates line source and distributes the sound energy much more evenly, across a wide sound front,