Acoustic Hailing Device for
Tunnel Broadcasting
PROPA-250CT
Acoustic Hailing Device for Tunnel Broadcasting PROPA-250CT
Safety Broadcasting System for Tunnel with Military Long Range Acoustic Hailing Device Technology
- A single controller controls multiple speakers over the network.
- Play sound sources only in the time zone set by the software.
- Play a variety of sound sources or one sound source indefinitely.
- A single controller controls multiple speakers over the network.
- Play sound sources only in the time zone set by the software.
- Play a variety of sound sources or one sound source indefinitely.
Superior directivity
Perfect waterproof
Outstanding durability
Timer operation by software
Superior Voice Intelligibility and Highly clear communication up to 1km
Sunlight Corrosion Resistant & Flame Retardant Horn speaker
Control multiple speakers over the network
Simultaneous broadcasting / delayed broadcasting
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| PROPA-250CT specifications |
Catalog Download |
|---|---|
| Max. SPL | 142dB@1m Front, Peak |
| Directivity | ±15°(1kHz Sine, -3dB) |
| Frequency | 600Hz ~ 10kHz(-10dB) |
| Power | 12VDC /24VDC |
| Unit | 250W(Max. 300W), Neodymium Magnet |
| Size | 250×330×280mm |
| Weight | 9.35kg |
Speaker Control Program
- Three operating time setting
- Various sound sources
- Delayed broadcast between loudspeaker system
- Input sound source via network
- Sound source Playback / Stop / Previous song / Next song / One song repeat / Folder repeat
- Three operating time setting
- Various sound sources
- Delayed broadcast between loudspeaker system
- Input sound source via network
- Sound source Playback / Stop / Previous song / Next song / One song repeat / Folder repeat
Speaker Wiring Diagram
