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 |
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
DSP408 Outdoor Waterproof Column SpeakerNovember 15, 2016Description:DSP408 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 ...view
DSP358 New 120W 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...viewwe will contact you within 24 hours.
Reasons for Choosing Digital Wireless Microphone SystemJuly 25, 2019Excellent sound qualityDigital wireless microphone system provides high quality transparent audio. This is largely due to the absence of a "compression expander" for digital wireless microphone system...view
DSP169HD High Fidelity Video Megaphone (with Camera)November 23, 2016Features:1. Designed for police and crowd control applications.2. 200 meters rang, with voice enhance and alarm siren.3. STIPA 0.9 for speaking clearly, high fidelity .4. Built-in HD camera for pho...view