iMainGo combines iPod case, speaker system

Portable Sound Laboratories has introduced the iMainGo, a new combination iPod case and portable speaker system. The iMainGo (iLounge Rating: C+) consists of a black, zippered case with iPod pocket and a “state-of-the-art digital amplifier” with “high output stereo speakers.” The $70 case offers built-in air cushions, inserts to fit several iPod models, and has a protective play-through window. The iMainGo requires four AAA batteries, which last up to 30 hours.