DSP403N Indoor Column SpeakerMarch 22, 2017DSP403N is an indoor column speaker built-in 70v/100v transformer. The 70v/100v transformertechnique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers...view
Passive Column SpeakerNovember 15, 2016Passive Column Speaker can be applied to different occasions vary in area sizes and background noises, such as station, park, school, square, military camp, industrial park, beach, etc. passive column...view
DSP358 Outdoor Waterproof Column SpeakerNovember 16, 2016Description:This series of speakers are weatherproof outdoor column speakers with a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-current mode, which make...viewwe will contact you within 24 hours.
Present Situation of Wireless PA SystemsAugust 6, 2018Wireless pa system for sale is a kind of device that transmits broadcast by means of wireless transmission. It has advantages such as no vertical pole stringing, wide coverage, unlimited capacity expa...view
Technical Analysis of the Paperless Conference SystemNovember 9, 20211. Analysis of the status quo of the paperless conferenceWith a rapid development, the form of the paperless conference has gradually expanded from the original conference system used on PCs and table...view
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