The DSP255II 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 |
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...view
DSP223II 8W Indoor Column SpeakerJuly 7, 2022The DSP223II and DSP224II, 8W and 16W Indoor Column Speakers, are engineered to deliver exceptional sound quality within indoor spaces. These speakers feature a mesh crafted from nylon high-fiber crys...view
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.viewwe will contact you within 24 hours.
The Main Development Direction of Future Digital Conference SystemMay 13, 2022What are the main development directions of the future digital conference system? Follow us to find out.1. Application of streaming media technology in digital conference systemThe so-called streaming...view
Conference PA System: Delivering Precise Sound for Every MeetingMarch 14, 2025In today's business activities and various organizational meetings, conference rooms have become the core places for information exchange and decision-making. An excellent conference PA system is ...view