The DRX-3.1 combines accurate, noise-free signal processing with high-current power for dynamic speaker control. The result is pure, rich and authentic sound. Integra's dynamic audio amplification delivers 100 Watts per channel with 30 amps of high instantaneous current capability. The DRX-3.1 includes DTS Play-Fi technology. DTS Play-Fi is the most widely adopted Whole home audio Technology in the marketplace- it puts in complete control of your Music and allows to effortlessly stream from smartphone, tablet, or PC to DTS Play-Fi speakers and devices throughout the home. Stream a Music playlist throughout the entire house while entertaining or simply enjoy favorite artist or album in a single room- DTS Play-Fi offers better sound quality, greater range and a wider variety of compatible devices than other wireless Whole Home music technologies. Easy to set-up, easy to expand, and easy to enjoy- DTS Play-Fi and Integra- a smart solution.