The 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 transmission and parallel connection of multiple loudspeakers possible.
The products have gotten waterproof certificate and other certificates, and the net cover is made of aluminum and would not rust. The speaker is constructed of dual-crossover. The speaker units have the features of high sensitivity and high dynamic range.
This column speaker can be applied to different occasions vary in area sizes and background noises, such as station, park, school, square, military camp, industrial park, beach, etc.

DSP255 Outdoor Waterproof Column SpeakerMarch 16, 2017The DSP255 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...view
DSP203N Indoor Column SpeakerMarch 22, 2017DSP203 is an indoor column speaker built-in 70v/100v transformer. The 70v/100v transformertechnique reduces line losses on longer distance and allows easy parallel connection of multiple loudspeakers....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....viewwe will contact you within 24 hours.
Composition of Pa Speaker SystemMarch 29, 2019No matter what kind of broadcasting audio system, it can be basically divided into four parts: source component equipment, signal amplification and processing equipment, transmission lines, and speake...view
Presentation of Conference MicrophonesMarch 29, 2019The microphone placement in conference rooms is usually divided into desktop placement and microphone shelf placement. When putting the conference microphone on the desktop, we should pay attention to...view