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
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
DSP350F Outdoor Directional SpeakerJune 5, 2024The DSP350F outdoor directional speaker is a premium choice for directional sound reinforcement systems. Featuring two 8-inch bass units, a midrange unit, and a tweeter unit, it guarantees superior au...viewwe will contact you within 24 hours.
Congratulations on the 70th Anniversary of the PRCSeptember 30, 2019On the 70th anniversary of the PRC, we DSPPA are pleased to celebrate the National Day.view
Some Conference Functions of Paperless Conference SystemJuly 21, 2021Paperless conference system uses modern communication technology, audio technology, video technology and software technology to realize paperless conference through electronic exchange of documents. I...view
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