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.

DSP255 Outdoor Waterproof Column SpeakerMarch 16, 2017The DSP255 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 transmis...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
FAQs About Column SpeakersMay 7, 2026viewwe will contact you within 24 hours.
【DSPPA】Automatic Production Line for Ceiling SpeakersNovember 5, 2020Abstract: Wow! It is a video about DSPPA automatic production line for ceiling speakers.【DSPPA Auto Production】Established in 1988, DSPPA is a large high-tech enterprise that has been dedicated to a...view
DSPPA | Waterproof Outdoor Horn Speaker System in Mysia Wieża, PolandFebruary 27, 2023Abstract: DSPPA Waterproof Outdoor Horn Speaker System was successfully installed in Mysia Wieża, a tourist attraction in Poland.view