● AB line speaker output of two zones, independent switch with master volume, treble and bass adjustment
● Support speaker line detection (light load, overload, open circuit and short circuit)
● One channel audio input, two-zone paging microphone, support offline detection
● Built-in primary and standby 240W digital amplifier module, auto switch to standby amplifier when the primary one breaks down
● Support AC/DC power supply, and AC/DC automatic
| Items | Index | ||
| Rated power output | 240W (Note: please connect high impedance speaker within this load) | ||
| Rated voltage output | 100V | ||
| Power supply | AC220V/50Hz | ||
| Sensitivity | Microphone | 5mv（±1mv） | |
| Line input | 1VRMS（±100mv） | ||
| SNR | Microphone | ≥70dB | |
| Line input | ≥80dB | ||
| Frequency response | Microphone | 100Hz~10KHz(±3dB) | |
| Line input | 80Hz~15KHz(±3dB) | ||
| The ratio of source electromotive force | ≥12dB | ||
| Total harmonic distortion | ≤0.5% | ||
| Tone adjustment range | ±11±2 dB | ||
| Rated power consumption | 350W | ||
| AC-DC power supply switching time | No intermittent | ||
| Main and standby amplifier switching time | No intermittent | ||
| Battery life of 12AH (two batteries in series form 24V) | 2H (voice evacuation works normally) | ||
| Machine dimensions | 500×400×180mm | ||
| Net weight | 15KG (without batteries) | ||
| Battery | Size | ≤150*100*100mm (2 pcs) | |
| Voltage | 12V; (two batteries in series form 24V) | ||
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