INIM FIRE IFAMAMP 250W audio amplifier module

250W audio amplifier module for Previdia Ultra control panels (supplied already assembled in the PrevidiUltravox and Previdia-Vox model control units). It has two lines for connecting speakers configurable in A/B mode or loop mode, each line individually protected from short circuit. The impedance of the speaker line is monitored by means of a high frequency tone. It includes an analog input for an audio source with adjustable priority intended for the amplifier line only. Configurable as a backup amplifier capable of automatically replacing any faulty amplifier within the same control unit. Each control unit manages a maximum of 30 IFAMAMP modules (maximum 8 for each cabinet)