8K video and true surround sound from a 5.2-channel receiver. The AVR-S670H has incredible 8K video, high definition surround sound, Dolby TrueHD and DTS HD Master Audio decoders. And with built-in HEOS®, you can stream music via Spotify, Tidal, Amazon Music HD, AirPlay 2, Bluetooth and more. With built-in HEOS®, you can easily access streaming music and share it with HEOS-enabled speakers in other rooms. Separate high-current amplifiers on all channels deliver up to 135W per channel – enough power to drive most speakers in your smaller venue. It provides both Wi-Fi and Bluetooth connectivity for your wireless network or direct music streaming from your smart devices. Use AirPlay to stream Apple Music. Denon's award-winning setup guide provides clear step-by-step instructions to help you get started. Includes Audyssey MultEQ software for precise calibration that optimizes the listening experience in your room.