KIDDE integrated midi pa/va unit: 8xab (16 lines); amp 3x500w (incl. backup amp.); 3xaudio; lcd, firefighter mic; charger; without batteries, autonomous network or tcp/ip architecture, up to 254 devices on the network (firefighter and zone microphones). remote management, possibility of connecting est ves units, dsp audio processing on board. professional sound quality, evacuation functions, location message and background music