Califone International, Inc., has enhanced its popular line of PowerPro PA sound systems with the addition of the PowerPro SD (Model PA916-SD). The upgraded unit is equipped with several new capabilities for the broadcast and recording of digital sound, including built-in support for the MP3 audio f …

Califone, Inc, the premier manufacturer of quality sound presentation solutions for education, industry and institutions, announces the introduction of its new PowerPro portable presentation system. The PowerPro is the latest update to the company’s award-winning portable audio series, with a number …