Product Profile:
It has the functions of pre-emption, air attack, relief, disaster alarm and stopping in accordance with the state regulations.
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 line input, can be amplified and connected with external sound source. AC/DC interrupt-free automatic power conversion system can meet emergency requirements. Built-in monitoring loudspeaker can monitor alarm sound indoors; AC and DC dual-purpose.
Technical parameters:
| AC power supply voltage | AC 220V | Working Current | 4.5A |
| No-load voltage | 58V-59V | No-load current | 0.1±0.1A |
| Voltage with full load | 52.5V-53V | Full load current | 18A±1A |
| Battery Voltage | 48V | Battery charging current | 3A-5A |
| Output impedance | 2.75Ω | ||
| output power | 1000W | ||
| Microphone Sensitivity | 25mV | ||
| MIC Input Impedance | 600Ω | ||
| Audio bandwidth | 300Hz～3200Hz | ||
| Distortion | ≤10％ | ||
| 5Sound pressure level at meter | ≥119dB Compliance with National Civil Air Defense Standards | ||
| Working environment temperature | -35℃～+55℃ | ||
| Shape size | 500*380*192(long)*wide*High) | ||
| Alarm weight | 16KG | ||