The Onkyo TX-NR5008 is an AV receiver equipped with advanced audio and video processing technology to provide a high-quality home theater experience. It supports multiple audio formats, including Dolby TrueHD and DTS-HD Master Audio, which deliver lossless sound reproduction. The receiver features HDMI connectivity with support for 3D video, Audio Return Channel, and high-definition audio. It also provides network capabilities, enabling users to stream audio content over a home network or the internet.