DSP9328S IP Waterproof Hands-free Telephone with LoudspeakerJuly 13, 2022view
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
DSP9328W IP Waterproof Hands-free Telephone with Warning LightJuly 13, 2022viewwe will contact you within 24 hours.
DSPPA PA System Entered Beijing Normal UniversityNovember 29, 2016DSPPA PA System imported by Beijing Normal University ,which is the oldest normal university in China, just following the project of new campus construction for Tianjin University. Promoting intellige...view
How to Plan Professional Sound System for High-end Reception Places?February 4, 20211. How to plan public address system in hotel?When designing public address system in hotel and looking at hotel spaces as an integrator or system designer, the first thing to pay attention to is the ...view
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