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
DSP395 (DSP395U+DSP395T) IP Directional Flat Speaker SystemApril 9, 2025The IP Directional Flat Speaker System, based on ultrasonic directional propagation characteristics, utilizes advanced digital signal processing technology. It modulates sound signals into ultrasonic ...view
DSS1521 21W Directional Wall Mount Speaker SystemOctober 10, 2025The DSS1521 directional wall-mount speaker is a new-generation speaker system that is able to produce highly directional sound, acting like a flashlight, which will deliver the sound precisely pointed...viewwe will contact you within 24 hours.
GET SYSTEM SOLUTION FROM DSPPA AMID THE EPIDEMICApril 3, 2020GET SYSTEM SOLUTION FROM DSPPA AMID THE EPIDEMICAmid the COVID-19 epidemic, we DSPPA are dedicated to extending a helping hand to you. Here are some practical systems for you to broadcast epidemic inf...view
DSPPA 28thAnniversary CelebrationNovember 23, 20168th Aug., 2016, all the members of DSPPA gathered in DSPPA industrial park to celebrate her 28th anniversary.view
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