DSP9327 Waterproof Sound Alarm Wall-Mounted TelephoneNovember 3, 2021The Waterproof telephone is suitable for use in environments with special requirements such as subways, light rails, highways, ships, mines, power plants, steel companies, etc, which have special requirements for moisture, fire, explosion, noise, and frost resistance.view
DSP9336 Campus Anti-Bullying Intelligent Early Warning SystemSeptember 4, 2025The campus anti-bullying system supports long-distance audio pickup and automatically triggers an alarm and recording upon detecting specific keyword speech, with both audible and visual alerts. Each ...view
DSP9327W IP Waterproof Sound&Light Alarm Wall-Mounted TelephoneNovember 3, 2021The phone support external loudspeaker and police lights,viewwe will contact you within 24 hours.
【Academic Sharing in DSPPA】By Academician Du Ruxu from CAEJuly 2, 2020【Academic Sharing in DSPPA】By Academician Du Ruxu from Canadian Academy of Engineering (CAE).view
Driving Sound Forward: The Advancements in Professional PA Amplifier TechnologyJuly 6, 2023In the world of audio, professional PA amplifiers play a crucial role in delivering powerful and clear sound reinforcement. These amplifiers have come a long way in terms of technological advancements...view
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