Functional Features：

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1. Compact appearance, color LCD screen, silicone buttons, easy to operate;
2. Four in one audio source, host, amplifier, and area control;
3. Support emergency broadcasting MP3、 Multiple audio sources such as external audio input:
4. Equipped with external import function for emergency broadcast recording;
5. Up to 255 partitions, with Chinese region note function;
6. Soft switching power supply and high-voltage Class D amplifier, high efficiency, low heat generation, and low distortion;
7. Adequate power margin, capable of long-term full load operation;
8. The power amplifier has complete output overload protection function;
9. Four level surge protection capability higher than the national standard;
10. The amplifier outputs a DC bias voltage for short circuit detection.

Technical Parameter：

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AC220V ± 15%, 50Hz
： 120V
： 48VDC
： 80Hz~8kHz
： >75dB
： 1kHz<1%
160x128 color graphic dot matrix
Custom, maximum 255 partitions
： 0.775V
: 24V level/RS-485/RS-32/CAN
： 2W
： 318mmx245mmx88mm

Usage environment：

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Temperature: -10 ° C~+55 ° C; Relative humidity<95%, no condensation