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
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.viewwe will contact you within 24 hours.
What are the Requirements for Loudspeaker Configuration in Public Adress Speaker Systems?April 25, 2019Usually, the background noise of office corridor is about 48-52 dB, and that of supermarket is about 58-63 dB, and that of busy section is about 70-75 dB. Considering that the scene may be very confus...view
Introduction of Wall Mounted Active SpeakersAugust 6, 2018Wall mounted active speaker box is a whole set of sound system, which consists of a sound source input device, a signal amplifier (power amplifier) and wall mounted speaker. Wall mounted sound: it is ...view
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