Information Sheet
Number of Power Amps 5
Power Output
75 watts per channel
(8 ohms, 20Hz–20kHz. THD .08%,
2ch driven)
100 watts per channel
(6 ohms, 1kHz, THD .7%,
2ch driven)
150 watts per channel
(6 ohms, 1khz, THD 10%,
1ch driven)
135 watts per channel
(6 ohms, 1kHz, THD 1%,
1ch driven)
Speaker Impedance 4-16Ω/ohms
Preamplifier Section
Input Sensitivity/
Impedance
200mV
Frequency
Response
10Hz–100kHz – +1, -3 dB
(Direct Mode)
S/N Ratio
98dB (IHF-A weighted,
Direct Mode)
In HDMI x6
Composite x2
Phono x1
Analog Audio x2
Digital Optical x2
Digital Coaxial x1
USB Front x1
Out HDMI Out x1
Composite x1
Audio Pre-out 0.2ch
Phones x1
Other Ethernet x1
Microphone Port x1
FM/AM Tuner Antenna x1
FM Section
Tuning Frequency Range 87.5–107.9 MHz
AM Section
Tuning Frequency Range 520–1710 kHz
General
Power Supply 120V/60 Hz
Power Consumption
340W (Standby 0.1W,
CEC standby 0.5W)
Power Consumption
(No Sound)
29W (ECO Mode On)
39W (ECO Mode Off)
Maximum Dimensions (WxDxH)
Antenna:Horizontal (in)
Antenna:Vertical (in)
17.1 x 13.3 x 6
17.1 x 13.3 x 8.5
Carton Dimensions
(Packaging) (WxDxH) (in)
20.6 x 17.1 x 9.1
Weight (lbs) 17.2
Weight (Packaging) (lbs) 21.4
HEOS logo is trademark or registered trademark in the US and/or other countries. Availability of music services may vary by region. Not all services may be available at time of purchase. Some services may be added or discontinued from time to time based on decisions
of the music service providers or others. Visit www.HEOSaudio.com/music for announcements and details. HEOS app and brand is not affiliated with any manufacturer of any smart phone. The Bluetooth
®
word mark and logos are registered trademarks owned by
Bluetooth SIG, Inc. and any use of such marks by D&M Holdings Inc. is under license.
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, 20Hz-
20kHz, 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
copyprotected 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 AVR-
S660H 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 AVR-
S660H 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.
Technical Information Ports