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
DSS1520A Active Directional Speaker SystemJuly 13, 2022view
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...viewwe will contact you within 24 hours.
DSPPA Torch Relay in IndonesiaAugust 14, 2018DSPPA Torch Relay in Indonesia 18th Asian Games is going to be held on 18th August in Jakarta. Torch relay of the Asian Games will cover 54 cities with a total distance of 18000 km. As the official su...view
Six Key Points in the Scheme Design of Public Address SystemApril 25, 2019First, the design of public address system scheme should be combined with the actual situation of the building.The scheme design of public address system must ensure that users can use it flexibly and...view
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