The ZES-22 digital audio processor of the SONORA family is a versatile equipment that allows for high-performance audio installations with high flexibility in terms of size, configuration or the location of equipment in large buildings with the only requirement of have an Ethernet connection. It consists of up to 4 fully configurable audio inputs or outputs. These analog balanced audio inputs / outputs offer excellent performance through the use of quality A / D and D / A converters. The input sensitivity is adjustable and the output levels standardized for 1Vp balanced signal. It offers an extended dynamic range and gain control.