Features
- The KT9213/MP3 preamplifier is a new generation of high reliability, high quality fire or accident emergency broadcasting equipment.It integrates with MP3 audio source. It can also cooperate with broadcast power player to realize background music broadcast function.
Technical specifications
| Power supply | DC24V±10%,<0.5A |
|---|---|
| Line input sensitivity | 300mV ～775mV（line1、line2） |
| Line output level | 500mV ± 100mV |
| Line frequency response | 20Hz ～ 20kHz ±0.5dB |
| Total harmonic distortion | < 5% |
| SNR | > 70dB |
| Emergency trigger mode | Level trigger（DC24V） |
| Working environment | a）temperature 0℃-40℃b）Humidity relative humidity 92 |
| Insulation resistance | between power supply and chassis ＞20MΩ（DC500V） |
Documents
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