
Public address system · Fire emergency evacuation broadcast
GB350EFire Emergency Evacuation Broadcast GB350E
Key features
- Integrated design and less occupied space.
- High-power output capability.
- Silica gel button, beautiful appearance, good hand feeling and long service life.
- Output of constant voltage 120V.
- Direct access to USB stick or card reader, compatible with USB 2.0 device.
- Perfect overload, over-temperature and short-circuit protection, ensuring the system with safe and reliable operation.
- Interlock with control device by means of 485 communication mode.
- Equipped with auxiliary 24V emergency remote control wire interface.
- Reserved with standby 220V port for external connection with backup power supply.
Price on request
When connecting the line, attention shall be paid to the positive and negative polarity of the power supply.
When in use, it should be noted that the chassis shall be grounded well.
In order to ensure stable operation of the system, the time interval of continuous switching shall be greater than 10 seconds.
If the linkage control with external control panel is required, ensure that the operating frequency is not too fast.
Technical Parameters:
| Power supply | AC 220V (+10%,-15%, 50Hz) |
| Remote control trigger mode | 24V level trigger |
| Line input sensitivity (rms) | 200mV (external line 1), 900mV (external line 2) |
| Frequency response range | 80Hz ~ 8kHz |
| Total harmonic distortion | <5% |
| SNR | 70dB |
| Monitoring power | 1W |
| Rated output voltage | 20V (constant voltage mode) |
| Rated output power | 350W |
| Operating environment | Temperature 0 ~ + 40 ℃, relative humidity 95% |
| Insulation strength | a) AC input to the chassis greater than 50M (DC500 V) b) Constant voltage output to the chassis greater than 50M (DC500 V) |
| Electrical strength | AC input to the chassis leakage less than 10mA (AC 1 ,250V) |
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