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LRAS1410 100W Special Acoustic Hailing SystemNovember 15, 2019LRAS1410 acoustic hailing speaker can be clearly heard by vehicles 200m away, suitable for remote amplification and emergency weather forecast on the highway; It can be used in special places such as wildlife reserves, chemical plants, power stations, traffic control areas, and airports; All-weather design with a shell made by aerospace industry technology, resistant to acid and alkali as well as salt spray, and can withstand high-strength impact and vibration.view
WJ-50 1000W Acoustic Hailing System Main SpeakerMarch 22, 2017The WJ-50 is a 1000W all-weather acoustic hailing system loudspeaker. With the high-end speaker unit, it brings high speech intelligibility and excellent sound reinforcement effect, which is suitable ...view
WJ-12 200W Acoustic Hailing System Auxiliary SpeakerMarch 22, 2017viewwe will contact you within 24 hours.
A successful ending for the midyear summaryNovember 23, 2016DSPPA midyear summary was held successfully in Yuexiu Hotel on July 18th,2015.All the staffs of marketing center attended the meeting. The summary meeting had three major parts:work summary in the first half, work plan for the second half of the year, awview
DSPPA | 2023 Happy New YearDecember 30, 2022Our office will be closed from 31st Dec. to 2nd Jan for celebrating the new year and will resume work on Tuesday, 3rd Jan.view
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