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.
Ultimate home theater experience – 8K ready
The AVR-S660H delivers a breathtaking home theater experience with 8K/60Hz and 4K/120Hz pass-through, as well as support for the latest HDMI specifications. The new AVR-S660H lets you build a 4K home theater today and gives you the comfort of knowing that your AV receiver is 8K ready when you are. Enjoy high quality surround audio and video for demanding entertainment needs.
Powerful 5-channel amplifier with the latest home cinema specs
Featuring discrete high-current amplifiers on all channels, the AVR-S660H delivers high-power performance of 75W per channel (8 ohms, 20Hz20kHz, THD: 0.08%, 2 channels driven). Low impedance drivers provide operational stability for a wide range of speakers for balanced, tonal sound. Upgrade your expectations in home theater entertainment.
Full surround sound experience
Enjoy Dolby TrueHD, Dolby Surround, DTS-HD Master Audio and DTS Neo:6 sound. Set up a 5.2 surround system and listen to native audio streams like Dolby TrueHD or DTS HD Master Audio from Blu-ray, streaming services and TV or get standard stereo signals up-mixed by Dolby Surround or DTS Neo:6 to enjoy movies, games and music that surrounds you.
Advanced 8K HDMI video section and support for various HDR Formats
The AVR-S660H features an advanced HDMI section (6 in/1 out) with three 8K inputs that will support 8K/60Hz and select 4K/120Hz video pass-through sporting 40Gbps. All HDMI inputs feature 4:4:4 Pure Color sub sampling, HDR10, HDR10+, Dolby Vision, Hybrid Log-Gamma (HLG), Dynamic HDR, 3D, and BT.2020 pass-through support. Enjoy 8K upscaling as well as HDCP 2.3 processing to play copy protected content.
Enhanced Audio Return Channel (eARC) support
The main output of the AVR-S660H supports eARC (enhanced Audio Return Channel) to enable uncompressed audio transmission directly from your smart TV apps to your AV receiver.
The latest technology in movie experiences
The new AVR-S660H brings the latest technology available to your entertainment. Enjoy movies in in unrivaled clarity thanks to 8K with 8K/60Hz pass-through and upscaling, as well the latest in AV receiver technology like Dynamic HDR and Quick Media Switching (QMS), which eliminates video delay in movies.
The next generation in gaming
The new AVR-S660H, takes gaming to its full potential. Enjoy 4K/120Hz pass-through, as well as Variable Refresh Rate (VRR), Quick Frame Transport (QFT), and Auto Low Latency Mode (ALLM), which reduces or eliminates lag and frame tearing for a smoother, lag-free gaming experience.
Works with your favorite voice services
Use your voice to control the AVR-S660H and wireless music services handsfree with Amazon Alexa, Google Assistant, Apple Siri, and Josh.ai. Apple AirPlay 2 Built-In Use AirPlay 2 to stream Apple music to the AV receiver, or group with other AirPlay compatible speakers to fill your home with music.
Built-in Bluetooth and Wi-Fi capability
Ready to serve as he heart of your wireless network, the Denon AVRS660H comes with an advanced dual antenna transceiver system for robust streaming even in congested urban environments. Enjoy listening to your favorite audio content wirelessly from your smart devices.
HEOS® Built-in multi-room streaming
Enjoy your favorite music in any room of your home wirelessly with HEOS® Built-in technology, supporting free and premium Spotify, Pandora, Amazon Music HD, TuneIn, SoundCloud, SiriusXM, TIDAL and more. Also works with Amazon Alexa, Google Assistant, Apple Siri and Josh.ai to provide incredible sound for all your home entertainment. Connect your Denon Home speakers for a whole-home audio experience. (Not all music services available in all regions.)
High-resolution audio support
Enjoy superb audio fidelity for your favorite high-resolution audio tracks. The AVR-S660H features premium 32-bit D/A converters allowing for high-resolution audio decoding with lossless file types including ALAC, FLAC and WAV at up to 192kHz/24bit. It is also compatible with 2.8/5.6-MHz DSD files (the audio coding format of SACD) and supports file types such as MP3 and WMA. Play files from memory devices via the front panel USB, or over network sources.
Phono input for turntable/vinyl support
With the built-in phono input, the AVR-S660H lets you connect your turntable and play vinyl records. Enjoy your vintage collection with exceptional quality and sound.
Dual subwoofer outputs
Immerse yourself in evenly distributed, accurate bass. The AVRS660H features two subwoofer outputs to smooth out low frequencies and provide better dispersion. No audible peaks or dips — just powerful, room-filling bass.
Bluetooth audio transmission
Enjoy your favorite audio without waking your whole home by transmitting the audio coming from your AV receiver to your Bluetooth headphones. The AVR-S660H even allows you to play the audio on both Bluetooth headphones and connected speakers simultaneously. If you have a family member or a friend who is hearing impaired, we recommend this setup.
“Roon Tested” certified
All new Denon AV receivers are now Roon Tested. Get more out of your digital music library with searchable, surfable information about your favorite artists and songs. Find lyrics, concert dates, photos, bios, reviews and more.
Quick selects for user-friendly audio tuning
The Denon AVR-S660H front panel features four Quick Select buttons that store your preferred audio settings for each source. Switch between TV audio, Blu-Ray, media players and more, and the AVR-S660H adjusts the EQ settings to your preferences for that media source. Use the buttons on the front panel or opt for the same Quick Selects on the AVR remote for faster control.
Easy setup and automatic HDMI rename
Once you connect your TV to the AVR-S660H via HDMI, the exclusive Denon Setup Assistant appears on your TV screen to walk you through setup, step by step. Also, on the back of the AV receiver, a row of color-coded speaker connections laid out horizontally make organizing and connecting speaker wires simple. The AVR-S660H will rename HDMI inputs automatically when connected or you can rename manually for your convenience.
Denon AVR remote for seamless control
Better control in your back pocket. The free Denon AVR Remote for iOS and Android makes using the AVR-S660H even easier — adjust volume, turn it on or off, mute the music, select a source or switch to HEOS. Download the free Denon AVR Remote to your smartphone or tablet today.
Audyssey room correction
The AVR-S660H features the Audyssey MultEQ room acoustic measurement system to precisely analyze the output of each speaker to optimize every channel. The additional Audyssey MultEQ Editor app (available for purchase) allows advanced users to go “under the hood” for further adjustment and customization of your audio environment. The app is available for both iOS and Android
DTS HD Master / DTS:X Yes / No
DTS Neo:X / DTS Neural:X NEO: 6 / No
Dolby TrueHD / Dolby Atmos Yes / No
Dolby ProLogic II / Dolby Surround Yes / No
Multichannel Stereo Yes
Dialog Enhancer Yes
Max Number of Processing (Preamp) Channels 5.1
Discrete Power Amplifier 5
Audyssey Dynamic EQ / Dynamic Volume Yes / Yes
Compressed Audio Restorer Yes
HEOS Multiroom and Streaming Yes
Lossy Formats: MP3 / WMA / AAC Yes / Yes / Yes
Lossless Formats: FLAC / ALAC / WAV Yes / Yes / Yes
DSD Audio Streaming up to DSD5.6
FLAC HD 192/24 Yes
WAV 192/24 Yes
ALAC 192/24 Yes
Gapless playback Yes (FLAC, WAV, ALAC, DSD)
AirPlay 2 Yes
Roon Tested Yes
Internet Radio TuneIn
Spotify Connect* / Tidal* / Deezer* / others * Yes / Yes / Yes / Yes
Amazon Prime Music* / Pandora* Yes / Yes
Compatible with Remote APP for Smart Phones Android / iOS
Compatible with Remote APP for Tablets Android / iOS / Amazon Kindle
Ethernet Ports Yes
Bluetooth Headphone transmission Yes
HDMI Inputs: Back / Front 6 (3x 8K) / 0
HDCP2.3 support Yes
HDMI Outputs: Main / Zone 1 / No
HDMI max Resolution (8k / 4k) 8k/60 - 4k/120
HDMI to HDMI Scaling up to 8K 60/50
HDMI: 8K / 4K / CEC / eARC Yes / Yes / Yes / Yes
HDMI: Dolby Vision / HDR 10+ / Dynamic HDR / HLG Yes / Yes / Yes / Yes
HDMI: ALLM / QMS / QFT / VRR Yes / Yes / Yes / Yes
HDMI pass-though in standby mode Yes
HEOS Multiroom integrated Yes
TV Sound grouping Yes
Main room multichanel audio - Zone stereo downmix Yes
Zone Audio Source: HDMI / Opt, Coax / Network, USB / Analog No / No / No / No
Zone Audio Output: Speaker / Preout No / No
Webbrowser Setup Yes
IP Control / RS232 Control / Web Control / App Control Yes / No / Yes / Yes
Remote In / Out No / No
Voice Control - Works with Amazon Alexa Yes
Voice Control - Google Assist / Apple Siri Yes / Yes
Auto Speaker Setup by Microphone Audyssey MultEQ
FL Display 1 line
Graphic User Interface - GUI Hybrid GUI
GUI Languages 3
Setup Assistant Yes
Quick Select Plus / Quick Select Yes / No
Firmware Update by: Network / USB Yes / Yes
Variable Cross Over Yes
Optimized Bass Redirection Yes
ECO Mode Yes
Auto Power Off Yes
Sleep Timer Yes
Composite In / Out 2 / 1
Component In / Out No / No
HDMI In / Out 6 / 1
Multi-room Video Out: Video / HDMI No / No
Analogue In/out 2 / No
Phono (MM) In Yes
Digital In: Optical / Coaxial 2 / 1
Multi-room Out: Analog / Digital No / No
Multichannel Preout Yes (0.2)
Subwoofer Out 2
Speaker Terminal: Gold Plated Screw / Regular Screw No / Yes
Number of Speaker Terminals 5
Front Inputs: Audio / Composite / Digital (Opt) / HDMI / USB No / No / No / No / Yes
USB Audio / Made for iPod / Made for iPhone Yes / AirPlay / AirPlay
Tuner: FM / AM Yes / Yes
Number of Power Amps 5
Power Output (8 ohm, 20 Hz - 20 kHz, 0.08% 2ch Drive) 75W
Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive) 100W
Power Output (6 ohm, 1 kHz, 10% 1ch Drive) 150W
Available colors: Black / Premium Silver Yes / No
System Remote Control RC-1243
Pre-programmed / Learnable / LCD Display No / No / No
Power Consumption in W 340
Power Consumption No-Sound (ECO On / Off) in W 29 W / 39 W
Standby Consumption in W 0.1
CEC Standby Consumption in W 0.5
Network Control On Consumption in W 2.0
Maximum Dimensions w/ Antenna (W x D x H) 434 x 339 x 215 mm
Dimensions w/o Antenna (W x D x H) 434 × 339 × 151 mm
Weight in kg 7.8
Carton Maximum Dimensions (W x D x H) in mm 523 x 435 x 232 mm
Carton Weight (inc. product) in kg 9.7