DSP9328W IP Waterproof Hands-free Telephone with Warning LightJuly 13, 2022view
DSP9327W IP Waterproof Sound&Light Alarm Wall-Mounted TelephoneNovember 3, 2021The phone support external loudspeaker and police lights,view
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.
DSPPA became the Official Support Partner of the 18th Asian GamesJuly 3, 2018On the 30th birthday of DSPPA, we become the Official Support Partner and the exclusive Public Address and Intelligent Conference System of the 18th Asian Games in Indonesia. This is another big proje...view
The Basic Structure and Composition of the Conference SystemApril 29, 20211. The basic structure of the conference systemThe most basic conference system is composed of conference speaking units, power amplifiers, speakers, and desktop display devices (such as desktop smart...view
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