About this item CINEMATIC SOUND AT HOME: Enjoy your favorite movies, TV shows and more with theater like sound in the comfort of your home BREATHTAKING AUDIO: Dolby Atmos and DTS:X deliver multi-dimensional and object-based surround sound STUNNING 4K QUALITY: 4K HDR pass through with support for Dolby Vision, HDR10, and Hybrid Log Gamma provides greater and clearer color, contrast, and brightness GET CONNECTED: 4 in/1 out HDMI each and 1 optical / 1 coaxial digital and analog audio connections AUTO CALIBRATION: Advanced D.C.A.C. analyzes and adjusts the audio for optimal sound in every room SMARTER CONNECTIVITY: Stream music and use Bluetooth Standby turn on the receiver from your phone LOW PROFILE DESIGN: STRDH790 Bluetooth receiver measures 5 1/4 tall to fit into most AV cabinets PURE DIRECT FUNCTION: Suppresses front panel noise to provide higher-fidelity sound from all inputsIN THE BOX: AV receivers include a calibration microphone, FM antenna, remote control and batteries