At $150 per pair, you can use these USB-powered UltraLink UCube speakers on a bus, on the beach, or on the table at your favorite McDonald's.
Each speaker is able to pump out 15 watts of peak power you won't be filling a large room with crisp, distortion-free sound, but they're probably loud enough to play your tunes or flicks for a group of friends, or to annoy strangers in a park.
UltraLink claims that the speakers use DSP-controlled power supplies to "store energy during quiet passages,"...