Controller for electronic siren amplifier

Abstract

This product is a controller for an electronic siren amplifier that amplifies the sirens and warning sounds emitted by automobiles, particularly emergency vehicles such as road maintenance vehicles and fire engines, mainly during emergency driving. By operating the various switches that appear on the front of this product, pre-registered voice messages are amplified outside the vehicle by the connected electronic siren amplifier. The volume of the amplified voice messages can be adjusted by operating the playback volume adjustment switch, and the operation information is displayed on the operating status display unit.

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