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Studies about classroom acoustics illustrate that excessive noise and reverberation can interfere with speech intelligibility, resulting in reduced understanding and therefore reduced learning. In many classrooms in the United States, the speech intelligibility rating is 75 percent or less, meaning that listeners with normal hearing can understand only 75 percent of the words read or spoken....[more]
We got the SP-2500 wall-mountable speakers so that we could amplify audio for special presentations....[more]
I use the Performer Plus™ multimedia player for teaching tap dancing to Senior citizens because I can slow down the music so they learn the steps better....[more]