The DSP403II series are indoor column speakers made of nylon high-fiber crystal with good permeability, using a two-way structure, clear bright sound and wider frequency response, suitable for various indoor applications.
Model | DSP203II | DSP403II |
Speaker Unit | 4"×2,2"×1 | 4"×4,2"×1 |
Freq. Range | 140Hz-12kHz | 140Hz-12kHz |
Sensitivity (1m,1W) | 90dB±2dB | 94dB±2dB |
Maximum SP( 1m) | 102dB±2dB | 109dB±2dB |
Rated Power | 20W | 40W |
Product Size ( L×W×H) | 138×115×390mm | 138×115×682mm |
Package Size ( L×W×H) | 310×220×420mm | 310×220×420mm |
Net Weight (One Pair) | 6.0kg | 10.4kg |
Gross Weight (One Pair) | 7.0kg | 11.3kg |
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...view
DSP255II Outdoor Waterproof Column SpeakerNovember 18, 2016The speaker DSP255II is made of aluminum alloy housing, with a fine, smooth sand surface, with a strong textured appearance and capable of providing professional levels.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...viewwe will contact you within 24 hours.
Components of the Conference SystemMay 13, 2022One microphone and two speakers can hold a conference, which has been used for decades. In the process of human communication, the performance of a single voice is far from meeting the requirements of...view
What is a Paperless Conference System?September 3, 2020The waste of paper caused by ordinary meetings has become a problem of concern to people. With the development of science and technology, can we abandon paper conference and create a green and environ...view