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
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...view
DSP205 Outdoor Waterproof Column SpeakerNovember 16, 2016Description: The DSP205 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...viewwe will contact you within 24 hours.
DSPPA | Dynamic Presence at SLS Expo with Innovative TechnologyMay 11, 2024Abstract: From May 7-9, we joined hands with our Saudi strategic partner to participate in the SLS Expo, securing great success.view
DSPPA | Brand Promotion Event Held in OmanApril 22, 2025Abstract: With its Oman partner, DSPPA presented audiovisual solutions to industry professionals and government representatives.view