- Structure Size
- Commodity name: HY273XD1 power amplifier
● It is a part of HY5700A fire emergency broadcast system.
● With automatic control and manual control of two starting modes.
● It has the function of controlled self-check.
● With audio output level display.
● Remote start and fault alarm function.
● Automatic switch between the main and standby power supply, the main power is preferred.
● In the microphone broadcast state, the listener can automatically mute, to completely eliminate the audio back.
● With external line abnormal automatic protection function, and the state of the machine will be sent to other broadcast equipment.
● It has three specifications of 150W/300W/500W.
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