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.

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
DSP405N Network Outdoor Waterproof Column SpeakerMarch 22, 2017The DSP405N 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 transmi...view
AUX205N 20W IP Outdoor Column SpeakerJune 27, 2017Acoustic quality is good,casing is made of aluminum&magnesium alloy,can withstand sunshine ,rain, wind and snow,suitable for outdoor/indoor use.They are widely used in public supermarkets,schools,...viewwe will contact you within 24 hours.
The Invisible Speaker Makes the "speaker" Disappear and Makes the Wall SoundMarch 31, 2021For those who love movies and music but don't want speakers to ruin the design style or the interior space is not large, good sound and simple interior design are often difficult to choose. Tradit...view
DSPPA | Moment of Glory! Chairman Mr. Wang-The 100th TorchbearerSeptember 19, 2023Abstract: Congratulations to Mr. Wang Heng, Chairman of DSPPA Group, on the successful completion of the Asian Games torch relay!view