The Duecanali 1604 is designed to work with lo-Z (from 2 ? ) and with 70V/100V distributed lines: any mixed impedance output loads can be realized. A fully integrated state-of-the-art DSP yields extensive system management functionality. In addition to sound shaping and limiter functions in unique Powersoft style, the DSP hardware and Armonía Pro Audio Suite™ software enable compliance with IEC 60849 for the crucial requirements of sound systems for emergency purposes.