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.

DSP455II Outdoor Waterproof Column SpeakerNovember 18, 2016Description:The DSP455II 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 dis...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,...view
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...viewwe will contact you within 24 hours.
DSPPA Public Welfare Activity in GuizhouApril 2, 2021Abstract: DSPPA donated a set of public address system to Pingtang County Experimental Primary School in Guizhou.view
DSPPA PA System Sounding in AfricaNovember 29, 2016DSPPA network PA system applied in the construction of Ethiopia - Djibouti railway section has entered into the acceptance period. It’s a historical moment for DSPPA.Site ConstructionThe railway proj...view