Product Profile:
It has the functions of pre-emption, air attack, relief, disaster alarm and stopping in accordance with the state regulations. Microcomputer is used in the sound source part. Chip control, anti-interference ability, high control accuracy. One microphone input, one line input, can be amplified. And connect the external sound source. AC/DC interrupt-free automatic power conversion system can meet emergency requirements. Built-in monitor Yang It can monitor the alarm sound indoors, and can be used in both AC and DC.
Product Overview:
It has the functions of pre-emption, air attack, relief, disaster alarm and stopping in accordance with the state regulations.
Microcomputer is used in the sound source part. Chip control, anti-interference ability, high control accuracy.
One microphone input, one line input, can be amplified. And connect the external sound source.
AC/DC interrupt-free automatic power conversion system can meet emergency requirements.
Built-in monitor Yang It can monitor the alarm sound indoors, and can be used in both AC and DC.
Technical parameters:
| Power supply voltage | AC 220V（50Hz）±10% | DC 54V~69V |
| Working Current | AC 8A±1A | DC 22A±3A |
| Output power | 2000W | |
| Output AC/Input DC power efficiency | ≥80% | |
| Overall mechanical noise | ≤70dBA（1Arbitrary direction at metre) | |
| MIC Input Impedance | 600Ω | |
| Microphone Sensitivity | ≤20mV | |
| Distortion | ≤2% | |
| 5Sound pressure level at meter | ≥123dB Compliance with National Civil Air Defense Standards | |
| Audio bandwidth | 300Hz~8000Hz | |
| Working environment temperature | -35℃~+55℃ | |
| Alarm weight | 14.5kg | |
| Size of alarm | 468.5*379*162 | |