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.

DSP403II Indoor Column SpeakerNovember 18, 2016The DSP403II series are indoor column speakers made of nylon high-fiber crystal with good permeability, using a two-way structure, clear bright sound, and broader frequency response, suitable for various indoor applications.view
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
DSP223II 8W Indoor Column SpeakerJuly 7, 2022The DSP223II and DSP224II, 8W and 16W Indoor Column Speakers, are engineered to deliver exceptional sound quality within indoor spaces. These speakers feature a mesh crafted from nylon high-fiber crys...viewwe will contact you within 24 hours.
DSPPA | Witness Friendship at 2025 International Annual MeetingJune 3, 2025Abstract: On May 30, DSPPA held a grand international annual meeting, strengthening the partnership with its distributors.view
DSPPA | Engages in Dialogue with Vietnamese DelegationApril 8, 2024Abstract: Fostering connections and facilitating dialogue: welcoming the Vietnamese Agent Delegation to visit DSPPA headquarters.view