DSPPA Network Public Address System has been applied to Hezhou Nationality High School in Guangxi.



The internationalization of Technical code for public address engineeringNovember 25, 2016It has been 4 years since the National Standard-Technical code for public address system engineering GB 50526 – 2010 was issued and implemented in 2010. This code is the first national standard in the field of public address (PA) in China, also the firstview
DSPPA | Happy Spring Festival!January 24, 2025Abstract: Wishing you all the blessings of abundance and good fortune in the Year of the Snake!view

