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 makes longer distance transmission and parallel connection of multiple loudspeakers possible.
It can be applied to outdoor occasions vary in area sizes and background noises, such as station, park, school, square, military camp, industrial park, beach, etc.

Model | DSP158 | DSP258 | DSP358 | DSP458 |
Driver Unit | 8”×1,1.4”×1 | 8”×2,1.4”×1 | 8”×3,1.4”×1 | 8”×4,1.4”×2 |
Rated Power | 40W | 80W | 120W | 160W |
Sensitivity (1m, 1W) | 91dB | 92dB | 93dB | 94dB |
Frequency Response | 80Hz-16kHz | 80Hz-16kHz | 80Hz-16kHz | 80Hz-16kHz |
Sensitivity (1m,1W) | 91dB | 92dB | 93dB | 94dB |
Max. SPL (1m) | 107dB | 111dB | 114dB | 116dB |
Dimension (L×W×H) | 230×250×430mm | 230×250×665mm | 230×250×905mm | 230×250×1320mm |
Weight | 8.5kg | 13kg | 17kg | 23kg |
DSP158 New 40W Outdoor Column SpeakerJune 25, 2025This 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 makes longer dis...view
DSP405 Outdoor Waterproof Column SpeakerNovember 30, 2016The DSP405 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 transmi...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.
DSPPA Invites you to Attend Intersec DubaiNovember 12, 2018DSPPA Invites you to Attend Intersec DubaiWith 1,337 exhibitors and 28,999 visitors coming from 120 countries, Intersec is the largest exhibition and the most international trade platform in its indus...view
DSPPA | Hear Innovation Live with DSPPA – See You at JIMEX 2026, Booth H1June 10, 2026Abstract: DSPPA warmly invites you to visit Hall H1 at JIMEX 2026, taking place from June 15–18 at the Jordan Centre for International Exhibition, Mecca Mall – Gate 3, to explore our latest integrated sound solutions.view