Designed for 4K or 8K setups, the AVR-S660H delivers superior 3D audio home theater/gaming experiences and supports the latest HDMI specifications.
Full support of key Dolby sound technologies along with the latest HDMI specifications.
Delivers maximum performance and 75W per channel to provide the classic and dynamic Denon sound experience.
Three 8K inputs support the latest HDMI specifications – 8K/60Hz, select 4K/120Hz pass-through, VRR, Dolby Vision™, HDR10+, and ALLM.
Enjoy enveloping Dolby TrueHD or DTS-HD Master Audio 5.1 surround sound from Blu-ray, streaming services and TV.
Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) care for amazing imaging and reduced latency.
Enjoy music services like Spotify®, Pandora®, Amazon Music HD, and more with HEOS® Built-in.
Dual-antenna transceiver for robust Bluetooth and Wi-Fi streaming even in congested environments.
Stream your music directly from your Spotify account for high-quality music in your TV room.
Use your voice to stream your favorite music services through Alexa with HEOS® Built-in. Turn volume up or down, pause, mute and play the next song — all with your voice.
Stream audio or video from your favorite streaming services using your smart device. Hear audio perfectly synced to your speakers from AirPlay 2 sources. AirPlay 2 also supports multi-room audio.
Upgrade your home theater with height speakers to unleash a fully immersive 3D audio experience, or engage all speakers to create 3D audio sensation from legacy content even without height speakers.
Google Home or other devices with Google Assistant built-in can control content across your listening environment. Ask your Google Assistant to control volume, play, pause, skip tracks and more.
Play the same song in every room or select a different song for each connected room via a variety of streaming sources. Add Denon Home speakers to more rooms and control it all with the HEOS app.
Google Home or other devices with Google Assistant built-in can control content across your listening environment. Ask your Google Assistant to control volume, play, pause, skip tracks and more.
Josh.ai offers flexible voice control for nearly any aspect of your entertainment environment. Use voice commands to control the thermostat, lights, home appliances, speakers, AV receiver, and more.
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.
Enjoy pristine 8K picture quality on your 8K TV or projector. Supports both 8K pass-through and 8K upscaling of 4K content. Supports HDCP 2.3 for peace of mind when streaming copy protected content.
Connect and play music directly from your smartphone, tablet or other compatible device
With Siri compatibility, users can play music, adjust volume, and switch inputs using voice control. AirPlay 2 features in compatible devices can also be controlled with your voice via Siri.
With the supplied Audyssey measuring microphone, Audyssey measures all the speakers in your home theater, and tunes the AV receiver to provide most optimal overall listening experience for your room.
The Denon AVR Remote control app allows you to turn the receiver on and off, select an input source, adjust volume, and browse music from your phone or in a USB drive when connected to the receiver.
Engineered to make the most of 5.1 Dolby Digital decoding so you get room-filling virtual surround sound whenever you want it.
A front USB port supports up to 24bit/192kHz hi- res audio playback from a USB drive. Supported audio formats are MP3, WMA, WAV, MPEG-4/AAC, FLAC, and ALAC.
Supports the latest technology on HDMI inputs and output. ARC (Audio Return Channel) or eARC (Enhanced ARC) makes playing TV audio through your AV receiver simple with just a single HDMI connection.
Domotz Pro and OvrC remote system monitoring and management technology programs allow custom integrators to monitor the status of connected products and troubleshoot remotely.
Every element of a Denon product is thoughtfully crafted to deliver an unforgettable audio experience.
| Speaker impedance | 4-16Ω/ohms |
| Input sensitivity | 200 mV |
| Frequency response | 10 Hz – 100 kHz — +1, –3 dB (Direct mode) |
| S/N Ratio | 98dB (IHF-A weighted, Direct Mode) |
| FM section (Tuning frequency range) | 87.5 – 107.9 MHz |
| AM section (Tuning frequency range) | Yes |
| Digital In: Optical / Coaxial | 520 – 1710 kHz |
| Power Supply | AC 230 V, 50 Hz |
| Power Consumption in W | 340 |
| Power Consumption No-Sound (ECO On / Off) in W | 29 W / 39 W |
| Weight in kg | 7.8 |
| 3.5mm audio line-in connection | Yes |
| System Remote Control | RC-1243 |
| Standby Consumption in W | 0.1 |
| CEC Standby Consumption in W | 0.5 |
| Network Control On Consumption in W | 2.0 |
| Available colours: Black / Premium Silver | Yes / No |
| Maximum Dimensions | w/ Antenna 434 x 339 x 215 mm w/o Antenna 434 × 339 × 151 mm |
| Carton Maximum Dimensions (W x D x H) | 523 x 435 x 232 mm |
| Carton Weight (inc. product) in kg | 9.7 |
| HDMI In / Out | 6 / 1 |
| Composite In / Out | 2 / 1 |
| Phono (MM) In | Yes |
| Analogue In/out | 2 / – |
| Digital Optical In/Out | 2 / No |
| Front Inputs: Audio / Composite / Digital (Opt) / HDMI / USB | No / No / No / No / Yes |
| Pre-out / Main-in | 0.2 ch / no |
| Headphone output | Yes |
| Ethernet | Yes |
| AM/FM Tuner | Yes |
| Subwoofer Out | 2 |
| Digital In: Optical / Coaxial | 2 / 0 |
| Multichannel Preout | o (0.2) |
| Subwoofer Out | 2 |
| Number of Speaker Terminals | 5 |
| USB Audio / Made for iPod / Made for iPhone | o / AirPlay / AirPlay |
| Speaker Terminal: Gold Plated Screw / Regular Screw | No / No / No / No / Yes |
| USB Audio / Made for iPod / Made for iPhone | No / Yes |
| FM Tuner with RDS | Yes |
| Number of Power Amps | 5 |
| Power Output (8 ohm, 20 Hz – 20 kHz, 0.08% 2ch Drive) | 75 W |
| Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive) | 100 W |
| Power Output (6 ohm, 1 kHz, 1% 1ch Drive) | 135 W |
| DTS Neo:X / DTS Neural:X | NEO: 6 / – |
| Max Number of Processing (Preamp) Channels | 5.1 |
| DTS HD Master / DTS:X | Yes / No |
| Dolby TrueHD / Dolby Atmos | Yes / No |
| Multichannel Stereo | Yes |
| Dialog Enhancer | Yes |
| Dolby ProLogic II / Dolby Surround | Yes / No |
| Discrete Power Amplifier | 5 |
| Audyssey | MultEQ |
| Audyssey Dynamic EQ / Dynamic Volume | Yes / Yes |
| Compressed Audio Restorer | Yes |
| Discrete Power Amplifier | up to DSD5.6 |
| Gapless playback | Yes (FLAC, WAV, ALAC, DSD) |
| Internet Radio | TuneIn |
| Compatible with Remote APP for Smart Phones | Android / iOS |
| Compatible with Remote APP for Tablets | Android / iOS / Amazon Kindle |
| HEOS Multiroom and Streaming | Yes |
| Lossy Formats: MP3 / WMA / AAC | Yes / Yes / Yes |
| Lossless Formats: FLAC / ALAC / WAV | Yes / Yes / Yes |
| FLAC HD 192/24 | Yes |
| WAV 192/24 | Yes |
| ALAC 192/24 | Yes |
| AirPlay 2 | Yes |
| Roon Tested | Yes |
| Spotify Connect* / Tidal* / Deezer* / others * | Yes / Yes / Yes / Yes |
| Amazon Prime Music* / Pandora* | Yes / No |
| Ethernet Ports | Yes |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Bluetooth Re-transmit for Bluetooth headphones | Yes |
| HDMI Inputs: Back / Front | 6 (3x 8K) / 0 |
| HDMI max Resolution (8k / 4k) | 8k/60 – 4k/120 |
| HDMI to HDMI Scaling | up to 8K 60/50 |
| HDCP2.3 support | Yes |
| HDMI: 8K / 4K / CEC / eARC | Yes / Yes / Yes / Yes |
| HDMI: Dolby Vision / HDR 10+ / Dynamic HDR / HLG | Yes / Yes / Yes / Yes |
| HEOS Multiroom integrated | Yes |
| TV Sound grouping | Yes |
| Main room multichanel audio – Zone stereo downmix | Yes |
| Webbrowser Setup | Yes |
| IP Control / RS232 Control / Web Control / App Control | Yes / No / Yes / Yes |
| Auto Speaker Setup by Microphone | Audyssey MultEQ |
| FL Display | 1 line |
| Graphic User Interface – GUI | Hybrid GUI |
| GUI Languages | 9 |
| Voice Control – Works with Amazon Alexa/td> | Yes |
| Voice Control – Google Assist / Apple Siri | Yes / Yes |
| Setup Assistent | 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 |
DENON DRA-800H 
