THÔNG SỐ KỸ THUẬT
| Item | Parameter |
| Audio frequency response | 40HZ~18KHZ (±3dB) |
| THD | (THD)<0.5% (40HZ~18KHZ,Normal) |
| SNR | >70dB |
| Power Supply | AC110/220V± 10% |
| Recording audio output | 0~2.8V Vpp |
| Working temperature | -20~50℃ |
| Max. Power | 350W |
| Dimension | 428 x 240x 56mm(Without mounting accessories) |
| Weight | 4.1KG |
| Capacity | 45 units |
| MAX.capacity | Connect one expansion host up to512 units |
| PC communication | RJ-45 |
| Other communication interfaces | RS232 |
| Camera tracking communication | RS-485 |
| Speech Mode | (FREE),(LIMIT),(FIFO),(APPLY),(PPT) |
| Check-in mode | Button |
| Speaker Limit | 1/2/4/6 |
| Camera Tracking Protocol | PELCO-D |
| Audio input | 1-way MIC audio input 1Vpp 75Ohm |
| LCD | 256*64 White on Black+backlit DFSTN |
| System Expansion | Extensible connection to Swan HY system |
| Working temperature | Indoor 0-45℃ |
| Storage temperature | Indoor -20-50℃ |
