DSS1418 Active Directional Speaker SystemJuly 13, 2022DSS1418 is a directional active speaker system. As the ultrasonic wavelength is only a few millimeters, much smaller than that of the speaker, it can produce nearly linear narrow beam. Ultrasonic wave...view
DSS1417 Active Directional Speaker SystemJuly 11, 2022DSS1417 is a directional active speaker system. As the ultrasonic wavelength is only a few millimeters, much smaller than that of the speaker, it can produce nearly linear narrow beam. Ultrasonic wave...view
DSS1519 DSS1521 Ultra Directional Speaker SystemJanuary 15, 2022Professional directional sound speaker ultrasonic directional sound system is a pioneering o audio solution that provides an efficient way o to propagate sound without the use of large speaker arrays and to project sound highly directionally into...view
Paperless Conference System for College Multimedia Conference RoomsMay 13, 20221. The traditional college multimedia conference room adopts the conference systemEvery time a meeting is held, the staff needs to prepare to print the meeting materials and desktop card. The preparat...view
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