The Yamaha RX-V 1900 is an AV receiver that offers advanced features for home theater setups. It supports various audio and video formats, including Dolby TrueHD and DTS-HD Master Audio. The receiver includes HDMI inputs and outputs for high-definition video and audio and features Yamaha's proprietary YPAO technology for automated speaker calibration, optimizing sound quality based on room acoustics. The RX-V 1900 has a power output of 130 watts per channel, provides multiple zone support, and comes with a variety of connectivity options, including network capabilities for streaming music and accessing online content.