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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...view
DSP9328 IP Waterproof Hands-free TelephoneJuly 13, 2022view
DSP9327A Waterproof Sound&Light Alarm Wall-Mounted Telephone +15W SpeakerNovember 3, 2021DSP9327A Waterproof Sound&Light Alarm Wall-Mounted Telephone +15W Speakerviewwe will contact you within 24 hours.
Wall Mount PA Speakers: Multiple Advantages of Wall-Mounted InstallationNovember 20, 2024In the process of classroom teaching, it is crucial to ensure that the teacher's voice is delivered evenly, clearly, and accurately to every student in the classroom. This is one of the important ...view
The Best Meeting Room Microphone（2）March 29, 20193.Natural voiceA carefully selected meeting room microphone system can improve voice clarity and make meetings easier and less boring. Delegates no longer need to raise their voices to make themselves...view
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