Califone Announces the launch of its Wireless PA Upgrade Kit Believed to be the first of its kind, the easy-to-use retrofit system can be installed with any wired speaker (with an aux or line in), regardless of the manufacturer. The system is centered around two small units – a 16-channel wirele …

Classrooms can often be noisy even when only the teacher is speaking. Internally generated sound within the classroom such as the humming of air conditioners and lights, tapping pencils and shuffling backpacks can have an affect on how students hear, and therefore process, the information vital t …