Trusted Denon performance

Free Delivery* 60-Day Returns* Buy direct from Denon.com

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.

Support

Need help getting started or support once up and running? Find all the advice and information you need.

Get Help

Find a retailer

Search by address or area to find a retailer selling Denon near you

Find a retailer