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
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...viewwe will contact you within 24 hours.
【Good News】DSPPA Granted as China Excellent ProductJune 4, 2021Abstract: DSPPA is granted as China Excellent Product by China Quality Certificate Supervision for its excellent product quality.view
The Launching Ceremony of DSPPA Commercial CollegeNovember 29, 2016DSPPA hold a grand ceremony for the establishment of commercial college in audio museum on June 25, 2016. A lot of distinguished guests form different companies and organizations were invited to this ...view
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