Enjoy a superior & powerful listening experience for your favorite movies and music with precision audio engineering and tuning. The Marantz SR7015 8K features Dolby Atmos, DTS:X, Auro-3D and DTS Virtual:X decoding for immersive home theater, and proprietary HDAM circuit boards for a more detailed and dynamic sound experience. Eight HDMI inputs are fully compatible with the latest specifications, including 4K UHD video, 60Hz, HDR, Dolby Vision and Hybrid Log-Gamma. Listen to all your favorite music from your smart devices via Bluetooth, AirPlay 2 or the HEOS app. Control the SR7013 with your voice using Amazon Alexa. Download the HEOS Home Entertainment skill and ask Alexa to play, pause or stop music, switch inputs for your different media players, turn up the volume and more.