The DSP405 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 transmission and parallel connection of multiple loudspeakers possible.
The products have gotten waterproof certificate and other certificates, and the net cover is made of aluminum and would not rust. The speaker is constructed of dual-crossover. The speaker units have the features of high sensitivity and high dynamic range.
This 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.
DSP388 Outdoor Waterproof Dual Direction Column SpeakerNovember 18, 2016Description: The DSP388 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 dist...view
DSP258 New 80W Outdoor Column SpeakerJune 25, 2025This 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 makes longer dis...view
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 ...viewwe will contact you within 24 hours.
The Development and Superiority of Full Digital Conference SystemOctober 29, 2020The full digital conference system is composed of a full digital conference host, a desktop conference unit, an embedded conference unit and a conference unit with table cards. It also has functions s...view
DSPPA-Conference Case Study-Xiangfen People's Court in ShanxiJune 28, 2020DSPPA-Conference Case Study-Xiangfen People's Court in ShanxiAbstract: DSPPA Intelligent Digital Conference System has been successfully applied to the People’s Court of Xiangfen in Shanxi. People’s...view
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