Feel the power with the RX-V673 from Yamaha. Versatile speaker options include 7.2 channel surround, front presence, Bi-Amp main speakers or independent Zone 2 operation. Play your favorite movie in powerful surround sound while others dance to music on the deck, all powered by the Yamaha RX-V673. The Yamaha AV Controller App provides simple yet powerful network control in either Zone at once. Installation is a breeze when you use the advanced YPAO (RSC) auto calibration and sophisticated Graphic User Interface to expedite setup and ensure accuracy. Expand connectivity with Apple AirPlay and versatile USB input for iPad. Enjoy ECO mode today and 4k video up-scaling for next generation of super-high resolution displays. The RX-V673 provides refined digital processing for an enriched audio video experience.