Video Megaphone
There is a model for Video Mega Cheap, it is called DSP169HD high fidelity video mega. Designed for police and crowd control applications. 200 meters rang, with voice enhance and alarm siren. With built-in FM module and with built-in FM module, it also Support voice recording and Li-Ion or dry battery.
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Voice Evacuation System |
The EN 54 Fire detection and fire alarm systems is a mandatory standard of European Union market that specifies requirements and laboratory test fo... |
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MP912 4x4 Matrix Mixer Amplifier |
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DSP505 70v/100v Ceiling Speaker |
The DSP505 is a ceiling speaker with fire dome and a 70v/100v transformer built in. The 70v/100v transmission is realized in a high-voltage, low-cu... |
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Speaker |
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