Designed for 4K or 8K setups, the AVR-S66OH delivers superior 3D audio home theater/gaming experiences and supports the latest HDMI specifications.
Advanced 5-channel amplifier
Delivers maximum performance and 75W per channel to provide the classic and dynamic Denon sound experience.
Advanced 8K HDMI video with eARC support
Three 8K inputs support the latest HDMI specifications—8K/60Hz, select 4K/120Hz pass-through, VRR, Dolby Vision™, HDR10+, and ALLM.
Full surround sound experience
Enjoy enveloping Dolby TrueHD or DTS-HD Master Audio 5.1 surround sound from Blu-ray, streaming services and TV.
Easy setup and operation
Once you connect your TV to the AVR-S660H, the Denon Setup Assistant walks you through the setup, step by step.
Wireless music streaming
Enjoy music services like Spotify®, Pandora®, Amazon Music HD, and more with HEOS® Built-in.
Enhanced gaming experiences
Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) care for amazing imaging and reduced latency.
Built-in Bluetooth, Wi-Fi
Dual-antenna transceiver for robust Bluetooth and Wi-Fi streaming even in congested environments.
Defining audio excellence
With a deep legacy of firsts and amazing sound, Denon is the defining audio company of Japan.