HEOS is the controller app for the world’s biggest and best range of connected audio gear. It is a smart music streaming technology found in all devices Powered by HEOS from Denon, Marantz, and Definitive Technology. HEOS is for music lovers who want a beautiful and intuitive way to enjoy the latest advances in connected audio. You can find HEOS built into great sounding AV receivers, Hi-Fi equipment, sound bars, speakers, mini systems and speciality multi-room models. Features: True multi-room audio: play different songs in different rooms or the same song in multiple rooms. Quick and easy setup: add all your speakers with step-by-step instructions. Instant access to your favourite music: play from your favourite online music services, like Spotify, Amazon Music, TIDAL, and more. Search your music in one place: use one search function to browse across multiple music sources. See what’s playing any time: play, pause, and skip music from anywhere in the app. Access locally stored music: play music saved to your phone, USB, analog inputs, computers, and NAS drives. Share with your friends and family: support for multiple users and multiple music service accounts.