Denon AVR-2311 is a AV surround receiver from Denon. It offers 7 channels and has a power output of 105 watts per channel. It supports various audio formats and has built-in decoders for Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS-HD Master Audio, and more. The receiver features multiple HDMI inputs and outputs, allowing for seamless connectivity with HDMI-enabled devices. It also has advanced audio control features and supports network connectivity for streaming audio content.