Component of fire control devices Sonata-KL-BR - power expansion unit for broadcasting speech messages from the device Sonata-KL. It is used in systems of notification and control of evacuation of people in case of fire (SOUE), and is designed for sound notification in emergency situations.
Control of notification lines and line output, has automatic protection against deep discharge of the battery and its polarity reversal! Automatic protection of the audio signal power amplifier from short circuit and overload of the output circuit (notification line)!
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