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.

DSP8116 Outdoor Waterproof Column LoudspeakerMarch 5, 2025This product complies with IEC 268- 5 Power Handling Capacity (PHC) standards, which can operate 100 hours successively at rated power. SAFE test is carried out, to ensure that the product can withsta...view
DSP403N Indoor Column SpeakerMarch 22, 2017DSP403N is an indoor column speaker built-in 70v/100v transformer. The 70v/100v transformertechnique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers...view
DSP203II Indoor Column SpeakerNovember 16, 2016The DSP203II series are indoor column speakers made of nylon high-fiber crystal with good permeability, using a two-way structure, clear bright sound, and wider frequency response, suitable for various indoor applicationsviewwe will contact you within 24 hours.
DSPPA | Technical Training 2024: Tech Forward, Innovate TogetherOctober 22, 2024Abstract: DSPPA technical training 2024 ended successfully, fostering deeper collaboration via technical sessions & product demos.view
DSPPA | Accredited for High-Tech ExcellenceMarch 29, 2024Abstract: DSPPA high-tech systems and products have been on the list of 2023 Guangdong Excellent High-Tech Products.view