| Channel switching capability | 150V/20A, power signal |
| Input Detection Threshold | 5V, Detection Time Constant: 100mS |
| Patrol Detection Cycle | 500mS, 6 Patrol Detections |
| Fault Detection Switching Time | ≤300ms |
| Main Amplifier Input | MAIN1 CH1-CH4 |
| Backup Amplifier Input | SLAVE CH1-CH4 |
| Speaker Connector | SPEAKER CH1-CH4 |
| Function Control | Power On: 1 |
| Indicator Lights | POWER, CH1-CH4 |
| Operating Temperature | -10°C to 60°C |
| Operating Humidity | 20% to 80% relative humidity, non-condensing |
| Protection | ACFUSE*T1A*1 |
| Power Cord | (3 x 0.75mm) x 1.5M (standard) |
| Power Connector | Three-position Phoenix-type plug |
| Input Power | AC220V/50Hz-60Hz |
| Installation | Rack-mount |
| Dimensions | 482 x 360 x 90mm |
| Net Weight | 5kg |
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