AudioControl’s Rialto 600 is the ultimate zone amplifier that combines a high performance Wolfson DAC with preamp volume control. The Rialto 600 dramatically improves the audio quality across all local audio zones. A perfect companion to streaming audio systems, video displays with digital outputs as well as powering speaker set-ups and all local audio needs in any audio zone. Powerful, audiophile quality, AccuBASS ™, multiple digital and analog inputs and outputs all housed in a compact chassis made in the USA by AudioControl.