DSS1520A Active Directional Speaker SystemJuly 13, 2022view
DSS1419 Active Directional Speaker SystemJuly 11, 2022DSS1419 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
LA1525SD Ultra Directional Speaker SystemApril 12, 2017The LA1525SD hyper directional speaker can deliver a narrow beam of sound to a desired area while preserving silence around it, or allowing the co-existence of different sounds in the same space witho...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
DSPPA IP Network PA System Applied in American International School, AbujaSeptember 18, 2018DSPPA IP Network PA System Applied in American International School, AbujaThe American International School of Abuja (AISA) is a coeducational international day school for English-speaking students in...view
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