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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
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, 2022viewwe will contact you within 24 hours.
DSPPA | TOP 10 Building Electrical Brand CompetitivenessMay 11, 2023DSPPA | TOP 10 Building Electrical Brand CompetitivenessAbstract: Seek Development with Quality, Win the Future with Innovation!On April 21st, 2023, the 11th Building Electrical Technology Exchange Co...view
【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
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