The DSP388 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 built-in 6 units 4” and 2 unit 2.5” full range speaker drivers are designed of wide frequency response 140-14,000Hz, the multiple power taps of 45W & 90W could meet different applications varies from room size and ambient noise surroundings.
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, dual direction phonating, 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 | DSP188 | DSP288 | DSP388 | |
Speaker Unit | 4"×2, 2.5"×2 | 4"×4, 2.5"×2 | 4"×6, 2.5"×2 | |
Rated Power | 15W | 30W | 45W | |
Operating Voltage | 70V/100V | 70V/100V | 70V/100V | |
Power Adjustment | 70V | 8W-15W | 15W-30W | 23W-45W |
100V | 15W | 30W | 45W | |
Sensitivity | 89±2dB | 89±2dB | 89±2dB | |
MAX. SPL. | 99±2dB | 102±2dB | 103±2dB | |
Frequency Response | 140Hz-14kHz | 140Hz-14kHz | 140Hz-14kHz | |
Dimensions | 160×250×310mm | 160×250×410mm | 160×250×510mm | |
Weight | 3kg | 5.5kg | 8kg | |
DSP405N Network Outdoor Waterproof Column SpeakerMarch 22, 2017The DSP405N 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 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
DSP4235 30W Outdoor Column SpeakerNovember 9, 2023The product DSP4235 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 ...viewwe will contact you within 24 hours.
The discriminative methods of positive and negative poles of announcement speakerJune 22, 2018The phase of an announcement speaker is the connection of the positive and negative poles of the loudspeaker when used in series and parallel. When more than two speakers are used, the consistency of ...view
DSPPA 25th Anniversary CelebrationNovember 23, 2016Founded in 1988, Guangzhou DSPPA Audio Co., Ltd had designed and manufactured audio products for 25 years now, and is the leading brand in China market in PA system, conference system and home audio system. On Aug 1st, 2013, all the staff and their familview