Product Profile:
Having the requirements of the state,Pre-emptive, air raid, relief, disaster alarm, stop and other functions.
Product Overview:
The sound source part is controlled by a micro-computer chip, which has strong anti-interference ability and high control precision.
One microphone input, one voice input, one voice source input, can be amplified and connected with external voice source;
The power supply adopts switching regulated power supply with high efficiency and small longitudinal wave.
It has multi-function wireless remote control standard interface and can be adjusted at will according to the requirements of remote control system.
The model is made according to the standard cabinet, which can be adapted to all kinds of vehicle cabinet installation, convenient and fast.
Technical parameters:
| working voltage | AC 220V | DC 60V |
| Working Current | AC ≤13A | DC ≤40A |
| Output impedance | 6Ω | |
| output power | 2000W | |
| 5Sound pressure level at meter | ≥125dBCompliance with National Civil Air Defense Standards | |
| Microphone Input Sensitivity/Impedance | ≤20mV／600Ω | |
| Line Input Sensitivity/Impedance | ≤200mV／4.7KΩ | |
| frequency response | ≤±3dB（300～8000Hz） | |
| Harmonic distortion | ≤5％ | |
| Signal-to-noise ratio | ≥60dB | |
| ambient temperature | -35℃～+55℃ | |
| Alarm weight | 23KG | |
| Size of alarm | 520*400*220 | |