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.

DSP158 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...view
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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...viewwe will contact you within 24 hours.
DSPPA | Holiday Notice of Dragon Boat FestivalJune 2, 2022Abstract: The Dragon Boat Festival falls on Friday this year, which is the fifth day of the fifth lunar month. Please be informed that we will take three ...view
PALM EXPO 2019 held successfully in Beijing, ChinaAugust 15, 2019PALM EXPO 2019 held successfully in Beijing, ChinaChina International Exhibition on Pro Audio, Light, Music & Technology (PALM EXPO) 2019 is held successfully in Beijing, China from August 10 to 1...view