Infrared sensors cover directional sound speaker Poly

Also known as poly-tone mask set tone cover, directional speakers, a narrow angle is mainly used for voice communication, the ability to focus sound. Its main feature is that the district can make playback sound without disturbing each other, in a double parabolic dome clearest sound quality, free from outside interference. Usually installed in the ceiling, walls and other places, customized poly-tone cover color, height, diameter and wall thickness according to customer requirements. Scope: suitable for a plurality of specific regions repeat play different display content, polyethylene sound enclosure speaker sound delivered to each visitor to this area, so that visitors to the exhibition in front of different items can each enjoy before Show entries audiovisual content without sound interference adjacent exhibition items. As in museums, science museums, art galleries, exhibition halls, theme parks, restaurants, meeting room, Telecom Business Hall, Bank VIP hall.