D6221 Conference Speech & Vote Chairman UnitNovember 30, 2016D6221 Desktop Chairman Speech/Vote Unit provides functions such as speech, vote, check-in and self-checking.view
D7324 5G WiFi Desktop Conference Delegate MicrophoneNovember 2, 2021D7324 is delegate microphone, location is unrestricted, support check-in function. Minimum delay is less than 20 ms and non-compressed audio transmission.view
D7233 Embedded Speech Chairman UnitSeptember 7, 2021The D7233/D7234 conference unit integrates functions such as speaking, voting, sign-in, self-test, tea application service and two-way intercom. Adopt cardioid directional condenser microphone, built-...viewwe will contact you within 24 hours.
The Role of Fire Rated Ceiling SpeakersMarch 14, 2025Fire rated ceiling speakers are a type of audio equipment in the fire protection system, installed on the walls or ceilings of various buildings. They can provide timely alert information to people, s...view
DSPPA Public Welfare Activity in GuizhouApril 2, 2021Abstract: DSPPA donated a set of public address system to Pingtang County Experimental Primary School in Guizhou.view
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