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 |
DSP8114W Outdoor waterproof column loudspeakerDecember 1, 2017The DSP8114 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
DSP455 Outdoor Waterproof Column SpeakerMarch 16, 2017The DSP455 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
DSP255 Outdoor Waterproof Column SpeakerMarch 16, 2017The DSP255 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...viewwe will contact you within 24 hours.
USB Mini Amplifier: Convenient and Practical Audio Power AmplifierApril 10, 2025USB Mini Amplifier, also known as mini amplifier or digital mini amplifier, is an audio power amplifier used to enhance the power of audio signals to drive speakers. They are usually small in size, su...view
Invitation to China Public Security Expo in Shenzhen on 28-31 Oct.October 28, 2019Invitation to China Public Security Expo in Shenzhen on 28-31 Oct.DSPPA sincerely invites you to attend the 17th China Public Security Expo in Shenzhen Convention & Exhition Center on 28-31 Octobe...view