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.

DSP458 New 160W 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
DSP4235 30W Outdoor Column SpeakerNovember 9, 2023The product DSP4235 adopts a two-way frequency division structure and uses a dome tweeter for high-frequency sound. It has the characteristics of long transmission distance and high sensitivity. This ...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.
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DSPPA | Marking a Successful Close at InfoComm China 2026April 17, 2026Abstract: Over three days at InfoComm China 2026, DSPPA drew strong attention with immersive smart conference experiences.view