RolandChannel | 1 decade ago

http://www.rolandconnect.com/product.php?p=mobile_ba
The Lightweight, Go-Anywhere PA
Weighing less than six pounds (2.5 kg) and delivering high-quality stereo sound with flexible connectivity, the MOBILE BA is the perfect solution for schools, offices, small outdoor events, or any environment where fast, simple, and solid amplification is needed. No external power sources, speakers, or mixers are required — simply connect your music player, microphone, and/or instrument to the MOBILE BA, set the volume, and broadcast your sound with clarity and power. Small and light enough for a child to carry, the MOBILE BA easily goes wherever you want go!