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.

DSP455 Outdoor Waterproof Column SpeakerMarch 16, 2017The DSP455 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
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
DSP488 Outdoor Waterproof Dual Direction Column SpeakerNovember 18, 2016Description:The DSP488 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 dista...viewwe will contact you within 24 hours.
Conference System Mode in Mobile Internet EraAugust 1, 2022A meeting is a necessary communication activity for people's work and life. It is an organized, led and purposeful discussion activity. It is carried out at a limited time or place and according t...view
DSPPA | Happy Spring Festival!January 24, 2025Abstract: Wishing you all the blessings of abundance and good fortune in the Year of the Snake!view