The Soulra XL solar-powered sound system allows you to bring your iPod/iPhone tunes outdoors. With eight speaker drivers and a 22W output with bass boost, the unit features a 72-square-inch monocrystal solar panel that fully charges the unit in five hours of direct sunlight. The rechargeable lithium ion battery provides up to eight hours of playback time, and the unit can also charge your iPhone or iPod device. An AC adapter is also included for indoor use.
Cost: $299