classroom amplification technologyAbbreviated as CAT, classroom amplification technology is an infrared audio system used in some schools today. Classroom amplification technology creates an environment where each child in the classroom has an equal opportunity to clearly hear the teacher's instruction. CATs are a low-volume amplification system that improves clarity of speech and sound throughout the classroom. The system usually consists of a configurable microphone for the teacher, a base station receiver, and a combination of wall and ceiling speakers. Some CAT systems are also designed for multimedia inputs within the classroom, such as electronic whiteboards, computers, and plasma screens.
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