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.view
DSP170A 15W All Weather Powered Horn SpeakerNovember 12, 2019This product is widely used in schools, gymnasiums, square venues, parks, parking lots, railway stations, airports, villas, shopping malls and other places, and is the ideal choice for public broadcas...view
DSP1130 30W Weatherproof Horn Speaker with Power TapJuly 7, 2022The DSP1130 water-proof horn speaker, with ABS horn and stainless steel bracket special designed for extreme weather conditions and outdoor installations. This speaker is solid and durable, long lifet...viewwe will contact you within 24 hours.
DSPPA at intelligent education exhibitionDecember 21, 2016DSPPA attended the 70th China Educational Equipment Industry Exhibition from 8 to 10 May, 2016 in Shenyang Exhibition Center. A lot of visitors came to here to experience the intelligent educational p...view
System Composition and Characteristics of Digital Conference SystemMarch 29, 2019Digital conference system is a conference automation management system which integrates computer, communication, automatic control, multimedia, image, audio and other technologies. Digital conference ...view
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