DSP308 Outdoor Waterproof Column SpeakerNovember 15, 2016Description:DSP308 is an outdoor waterproof column speaker built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distance and allows easy parallel connection ...view
DSP455 Outdoor Waterproof Column SpeakerMarch 16, 2017The DSP455 is a weatherproof outdoor column speaker with a 70v/100v transformer built-in.The 70v/100v transmission is realized in a high-voltage, low-current mode, which makes longer distance transmis...view
DSP223II 8W Indoor Column SpeakerJuly 7, 2022viewwe will contact you within 24 hours.
Why are Paperless Conference Systems So Popular?November 6, 2020Traditional conference formats are increasingly unable to meet the needs of contemporary conferences. A large number of conferences, complex conference materials, and inefficient decision-making have ...view
Opening Ceremony of DSPPA Audio MuseumNovember 29, 2016Opening Ceremony of DSPPA Audio Museum -The First Audio History Museum in ChinaMay 28, 2016, DSPPA successfully held the opening ceremony for the audio museum and science popularization education base...view
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