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 |
DSP188 Outdoor Waterproof Dual Direction Column SpeakerMarch 16, 2017The DSP188 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
DSP8116W Outdoor waterproof column loudspeakerDecember 1, 2017The DSP8116 is a weatherproof outdoor column speaker with a 70v/100v transformer built-in.This product complies with IEC 268- 5 Power Handling Capacity (PHC) standards, which can operate 100 hours suc...view
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...viewwe will contact you within 24 hours.
A new year and new harvest! DSPPA at ISE, 2018 in Amsterdam RAI.February 27, 2018DSPPA attended ISE in Amsterdam RAI, Netherlands from Feb 6-9, 2018. In this exhibition, DSPPA attracted customers from all over the world. The products exhibited at the show find extensive applicatio...view
Comprehensive Analysis of Conference Audio SystemApril 30, 2025In modern business and conference activities, the conference audio system plays a crucial role. It not only affects the smooth proceedings of the meeting but also directly impacts the auditory experie...view