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 |
FAQs About Column SpeakersMay 7, 2026view
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