DSP308 is an outdoor waterproof column speaker built-in 70v/100v transformer. The 70v/100v transformer technique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers.
The built-in 4''x3, 2.5''x1 two-way speaker drivers are designed of wide frequency response 140-14kHz, the max power 60W could meet different applications varies from room size and ambient noise surroundings. Easy and secure wall mount through the mounting hook.
This column speaker is ideal choice for industrial and commercial applications in the indoor area of hotel, school, office, restaurant and factory where background music and paging is needed.

Model | DSP108 | DSP208 | DSP308 | DSP408 | |
Frequency Response | 140Hz-14kHz | 140Hz-14kHz | 140Hz-14kHz | 140Hz-14kHz | |
Sensitivity | 87±2dB | 89±2dB | 91±2dB | 93±2dB | |
MAX. SPL. | 97±2dB | 102±2dB | 106±2dB | 109±2dB | |
Rated Power | 10W | 20W | 30W | 40W | |
Rated Voltage | 70V | 5W-10W | 10W-20W | 15W-30W | 20W-40W |
100V | 10W | 20W | 30W | 40W | |
Dimensions (L×W×H) | 125×150×310mm | 125×150×410mm | 125×150×500mm | 125×150×620mm | |
Weight | 2.3kg | 3.3kg | 4.4kg | 5.5kg | |
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.view
AUX203N 2X15W IP Indoor Column SpeakerJune 27, 2017AUX203N IP Network Column Speaker is made of high quality birch, the speaker unit using the original colorseaweed salvage pulp drum paper, full-frequency double cone speaker, frequency response wider....view
DSP8116 Outdoor Waterproof Column LoudspeakerMarch 5, 2025This product complies with IEC 268- 5 Power Handling Capacity (PHC) standards, which can operate 100 hours successively at rated power. SAFE test is carried out, to ensure that the product can withsta...viewwe will contact you within 24 hours.
The Development Trend of Conference SystemJune 18, 2021In the technological development of the conference system, it has unknowingly experienced three generations of full analog technology, analog audio transmission + digital control technology, and full ...view
Invitation to 2020 SCO International Investment and Trade ExpoOctober 10, 2020Abstract: DSPPA sincerely invites you to attend SCO International Investment and Trade Expo 2020 in Qingdao on 16-18, Oct..DSPPA is willing to extend our sincere invitation to you to attend SCO Intern...view