KIDDE integrated midi pa/va unit: 4xab (8 lines); amp 2x320w (incl. backup amp.); 2xaudio; lcd, fireman mic; charger; without batteries, autonomous network architecture or tcp/ip, up to 254 devices on the network (fireman 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