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 | |
DSP4120 15W Outdoor Column SpeakerNovember 9, 2023The product DSP4120 adopts a two-way frequency division structure and uses a dome tweeter for high-frequency sound. It has the characteristics of long transmission distance and high sensitivity. This ...view
AUX205N 20W IP Outdoor Column SpeakerJune 27, 2017Acoustic quality is good,casing is made of aluminum&magnesium alloy,can withstand sunshine ,rain, wind and snow,suitable for outdoor/indoor use.They are widely used in public supermarkets,schools,...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.
Construction of Smart Home Sound SystemAugust 6, 20181. Multichannel The most commonly used sound channels are 5.1 and 7.1 channels. 5.1.2 and 7.1.4 are three-dimensional immersion sound configurations, that is, the original 5.1 or 7.1 sound channels a...view
Design of Conference System for Multifunctional Hall of Office BuildingJune 22, 2022With the rapid development of technology and information today, people are exposed to an increasing amount of information in their daily life and work. Therefore, the exchange of information and commu...view