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DSP9331 Audio and Video Intercom TerminalApril 15, 2024The product is an all-digital network-based intercom device with a proven VOIP solution at its core, stable and reliable performance; adopts hands-free digital full duplex mode for clear and loud voic...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.view
DSP9327S IP Waterproof Sound Alarm Wall-Mounted Telephone+15W SpeakerNovember 3, 2021DSP9327S IP Waterproof Phone+15W Speaker suitable for use in environments with special requirements such as subways, light rails, highways, ships, mines, power plants, steel companies, etc, which have...viewwe will contact you within 24 hours.
DSPPA Broadcast System Passing the Olympic Test SuccessfullyNovember 28, 2016With the successful hosting of the Olympic test event of "Good Luck Beijing" series venues, all the facilities of Beijing Olympic venues have also undergone performance tests which are the equivalent ...view
The Development Trend of Small Digital AmplifierAugust 6, 2018When the small digital amplifier technology is used to produce the whole machine, the volume control scheme will become the dividing line of the machine class. The simple scheme, like the traditional ...view
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