DSP3028A 1000W Sound Master Series Huge Horn SpeakerNovember 15, 2016The DSP3028A is an outdoor speaker with a 100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmission and parallel connection of multiple loudspeakers possible.viewwe will contact you within 24 hours.
【DSPPA】 Editor of Double National StandardDecember 22, 2021In May 2010, Technical Code for Public Address System Engineering (GB50526-2010), the world’s first national standard for public engineering with DSPPA as the chief editor, was issued by the Ministry of Housing and Urban-Rural Development of PRC, establishing China's independent intellectual property right in the field of Public Address (short for PA) system.view
Smart Classrooms: The Role of IP Ceiling Speakers in Modern EducationDecember 22, 2023In the dynamic landscape of education, technology plays a pivotal role in shaping the learning experience. Smart classrooms, equipped with advanced audio-visual solutions, are becoming increasingly pr...view
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