| 摘要 |
PURPOSE: A public facility broadcasting amplification device is provided to prevent damage to an amplifier due to over-input or overload, thereby protecting a speaker, which is connected to an output end of the amplifier, from the overload. CONSTITUTION: A control unit(20) controls an amplifier(10). The amplifier includes a plurality of input units(11), a plurality of amplifiers(12), a plurality of output units(13), and a connection unit(14). The plurality of amplifiers is connected to the plurality of input units. The plurality of amplifiers amplifies inputted signals. The plurality of output units outputs the signals. The connection unit connects adjacent amplifiers among the plurality of amplifiers. |
