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 distance transmission and parallel connection of multiple loudspeakers possible.
The net cover is made of aluminum and would not rust, it is also designed of weatherproof and heavy damage proof finish; long-term durability, high sensitivity, clear and sonorous sound. Easy and secure wall mount installation in outdoor area through the supplied pair of metal mounting brackets.
This column speaker is ideal choice for industrial and commercial applications in the outdoor area of train station, shopping mall, parking area and factory where background music and paging is needed.

Model | DSP255Ⅱ | DSP455Ⅱ |
Speaker unit | 3"×2,1"×1 | 3"×4,2"×1 |
Rated power(RMS) | 30W | 60W |
Freq.Response | 140Hz-20kHz | 140Hz-20kHz |
Sensitivity(1m,1W) | 87±3dB | 89±3dB |
Max SPL(1m) | 102±3dB | 107±3dB |
Dimension(L×W×H) | 376×109×102mm | 606×109×102mm |
Net weight | 3kg | 4kg |
we will contact you within 24 hours.
Active Wall Speakers: Revolutionizing Audio Integration in Your SpaceSeptember 22, 2023In the world of audio technology, innovation knows no bounds. One such innovation that's making waves in the realm of sound is the advent of active wall speakers. These sleek, space-saving devices...view
Exploring the Role of Explosion-Proof Speakers in Chemical PlantsDecember 22, 2023In the complex and hazardous environments of chemical plants, safety is paramount. Among the myriad safety measures in place, explosion-proof speakers stand out as crucial components ensuring effectiv...view