GZ-EWH-050/ GZ-EWH-100
Earthquake warning horn
Main Application Fields:
1.Build a Rapid Earthquake Intensity Reporting and Earthquake Early Warning Network;
2.Units, Enterprises, Shopping Malls, Schools, Villages and Communities Broadcast Warning Information;
3.Build an Early Warning System,Etc.
OVERVIEW
Description
The earthquake early warning loudspeaker system is designed to enhance public awareness of seismic alerts and expand emergency coverage. It features communication capabilities, local intensity measurement, and real-time countdown functions. The device supports whitelist access configurations and enables disablement of vulnerable system ports. Equipped with Text-to-Speech(TTS) functionality, it provides remote system upgrade services. Specifications include:rated power50W/100W; sensitivity 95±2dB; maximum sound pressure 105±2dB; effective frequency range below 16kHz; and impedance 4Ω. With excellent sound propagation performance,this rugged outdoor-grade device boasts IP65 protection rating for reliable operation.
Technical Parameter
Underlying parameters
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Outline: cylindrical
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Mouth diameter: 300 mm / 500 mm
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Host weight: 3.5 kg
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Material: non-metal magnetic material
Feed system
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Input voltage: 220V
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Rated power: 50W / 100W
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Impedance: 4Ω
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Full load operation: <100W
Performance parameters
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Sensitivity: 95±2 dB
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Effective frequency range: <16 kHz
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Maximum sound pressure: 105±2 dB
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Distance: effective distance about 200–400 m
System parameters
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Operating system: Android, Linux, Unix
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Single chip operating system
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Voice conversion: TTS
Communication mode
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Wireless: WiFi, 2G/3G/4G/5G network
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Interface: USB interface, audio output interface
Lighting parameters
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Static luminous flux: ≥900 LM
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Status indicator light: green (on/off)
Work environment
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Temperature: -20℃~50℃
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Humidity: ≤90% RH, no condensation
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Protection class: IP65

















