LRAD1420 200W Special Acoustic Hailing Device for Acoustic weaponsNovember 15, 2019LRAD1420 is a 200W highly intelligible long range acoustic hailing device that has all-weather design, acid and alkali resistance, salt spray resistance, which can withstand high strength impact and v...view
LRAS1830 300W Long Range Acoustic Hailing Intense Sound Speaker 300WNovember 20, 2019LRAS1830 Long Range Acoustic Hailing Intense Sound Speaker is a compact and portable long range directional acoustic wave transmitter, far superior to other PA systems in public places, and can be us...view
DSPPA Network PA System Applied in Shenzhen Metro DepotNovember 29, 2016DSPPA IP network PA system applied in Shenzhen subway transportation system, covering the metro depot of line 9, line 11 and parking lot, which are going to be opened on June , November of the year 2...view