Feel like you’re at the cinema every night. Enjoy a truly cinematic experience in your own home with the latest immersive audio formats.
The Denon AVR-S660H 5.2 channel receiver is perfect for people who want to enjoy surround sound without all of the hassles. It is a sleek, modern home theater receiver with special processing onboard to smooth out laggy gameplay which means no more “lag” when playing games.

Table of Contents
Denon AVR-S660H Features
The AVR-S660H has five channels and 75 watts per channel. This means it can drive most speakers with ease, even small/medium size ones!
The Denon AVR-S660H is equipped with HDMI inputs that support high-definition videos, such as 4K Ultra HD Blu-rays and game systems. The three slots supporting 8K/60Hz or 4K/120 Hz can display crisp images for a more immersive experience on your screen!

The AVR-S660H is the perfect way to listen and watch your favorite music, no matter what you’re in the mood for.
Whether you’re a music lover or moviegoer, the AVR S660H has something to offer. You can stream tunes from your phone over Bluetooth and play them on speakers in another room while watching TV at home! For those who use their turntable often enough without connecting it every night (or just don’t like doing dishes), there’s also an input for vinyl records so all of these sounds will stay behind instead of washing out into cyberspace with every song played through laptop speakers alone.
Must Read: Denon AVR-X8500HA

And if none of these options suits then plug into one outlet while simultaneously playing up high-resolution files from another device using a USB cable.
- Powerful amplifier
- Decent watts per speaker
- The quality of sound is crisp and clear
- Room-filling sound easily
- 75 watts per channel
- 5 powerful channels
- 8K 60Hz or 4K 120Hz video content
- 3 HDMI inputs that support crisp 8k/60hz or 4k/120hz content
- Provides great music listening experience
- Great for movies, TV Shows, and Netflix
- It Plays high-quality sound with no noise interference
- State of the art wireless music streaming
- Low-latency gaming processing
- HDMI Connections for all your devices
- Bring a new dimension to your music with spatial sound effects from Dolby Atmos and DTS:X.
- Wireless support for AirPlay, Bluetooth, and Wi-Fi connectivity lets you stream high-quality audio from any compatible device without trailing wires across the room.

Specifications
Brand | Denon |
Model | AVR-S660H |
Type | A/V Receiver |
Release Year | 2021 |
SPECS | |
Number of Power Amps | 5 |
Power Output (8 ohm, 20 Hz – 20 kHz, 0.08% 2ch Drive) | 75 Watt |
Power Output (6 ohm, 1 kHz, 0.7% 2ch Drive) | 100 Watt |
Power Output (6 ohm, 1 kHz, 1% 1ch Drive) | 135 Watt |
GENERAL | |
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) | 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 |
Color | Black |
Dimensions (W x H x D) without antenna | 17.1 x 6 x 13.3 inch (43.4 x 15.1 x 33.9 cm) |
Dimensions (W x H x D) with antenna | 17.1 x 8.5 x 13.3 inch (43.4 x 21.5 x 33.9 cm) |
Package Maximum Dimensions (W x D x H) | 523 x 435 x 232 mm |
Package Weight | 9.7 kg |
Operating Temperature | 5° – 35° C |
I/O | |
HDMI In | 6 |
HDMI Out | 1 |
Composite In | 2 |
Composite Out | 1 |
Phono (MM) In | ✔ |
Analogue In | 2 |
Analogue Out | ✖ |
Digital Optical In | 2 |
Digital Optical Out | ✖ |
Front Inputs: Audio | ✖ |
Front Inputs: Composite | ✖ |
Front Inputs: Digital (Opt) | ✖ |
Front Inputs: HDMI | ✖ |
Front Inputs: USB | ✔ |
Pre-out | 0.2 ch |
Main-in | ✖ |
Headphone output | ✔ |
Ethernet | ✔ |
AM/FM Tuner | ✔ |
Digital In: Optical | 2 |
Digital In: Coaxial | ✖ |
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 Regular Screw | ✔ |
FM Tuner with RDS | ✔ |
MULTICHANNEL SURROUND | |
DTS Neo:X | 6 |
DTS Neural:X | ✖ |
Max Number of Processing (Preamp) Channels | 5.1 |
DTS HD Master | ✔ |
DTS:X | ✖ |
Dolby TrueHD | ✔ |
Dolby Atmos | ✖ |
Multichannel Stereo | ✔ |
Dialog Enhancer | ✔ |
Dolby ProLogic II | ✔ |
Dolby Surround | ✖ |
SOUND ENHANCEMENTS | |
Discrete Power Amplifier | 5 |
Audyssey | MultEQ |
Audyssey Dynamic EQ | ✔ |
Dynamic Volume | ✔ |
Compressed Audio Restorer | ✔ |
NETWORK | |
DSD Audio Streaming | up to DSD5.6 |
Gapless playback | 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 | ✔ |
FLAC HD 192/24 | ✔ |
WAV 192/24 | ✔ |
ALAC 192/24 | ✔ |
AirPlay 2 | ✔ |
Roon Tested | ✔ |
Spotify Connect | ✔ |
Tidal | ✔ |
Deezer | ✔ |
Amazon Prime Music | ✔ |
Pandora | ✖ |
Ethernet Ports | ✔ |
Wi-Fi | ✔ |
Bluetooth | ✔ |
Bluetooth Re-transmit for Bluetooth headphones | ✔ |
HDMI | |
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 | ✔ |
8K | ✔ |
4K | ✔ |
CEC | ✔ |
eARC | ✔ |
Dolby Vision | ✔ |
HDR 10+ | ✔ |
Dynamic HDR | ✔ |
HLG | ✔ |
OTHERS | |
Auto Speaker Setup by Microphone | Audyssey MultEQ |
FL Display | 1 line |
Graphic User Interface – GUI | Hybrid GUI |
GUI Languages | 9 |
Works with Amazon Alexa | ✔ |
Google Assist | ✔ |
Apple Siri | ✔ |
Setup Assistent | ✔ |
Quick Select Plus | ✔ |
Quick Select | ✖ |
Firmware Update by Network | ✔ |
Firmware Update by USB | ✔ |
Variable Cross Over | ✔ |
Optimized Bass Redirection | ✔ |
ECO Mode | ✔ |
Auto Power Off | ✔ |
Sleep Timer | ✔ |
MULTIROOM CI | |
HEOS Multiroom integrated | ✔ |
TV Sound grouping | ✔ |
Main room multichanel audio – Zone stereo downmix | ✔ |
Webbrowser Setup | ✔ |
IP Control | ✔ |
RS232 Control | ✖ |
Web Control | ✔ |
App Control | ✔ |
AUDIO FORMATS | |
3GP | ✖ |
AA | ✖ |
AAC | ✔ |
AAX | ✖ |
AC4 | ✖ |
AIFF | ✖ |
ALAC | ✔ |
APE | ✖ |
aptX | ✖ |
AU | ✖ |
CDA | ✖ |
DSS | ✖ |
DVF | ✖ |
eAAC+ | ✖ |
EAC3 | ✖ |
FLAC | ✔ |
GSM | ✖ |
HE-AAC | ✖ |
IVS | ✖ |
LPCM | ✖ |
M4A | ✖ |
MIDI | ✖ |
MP2 | ✖ |
MP3 | ✔ |
OGG | ✖ |
OPUS | ✖ |
ORG | ✖ |
RAW | ✖ |
RealAudio | ✖ |
SLN | ✖ |
TTA | ✖ |
VOC | ✖ |
VOX | ✖ |
WAV | ✔ |
WMA | ✔ |

Conclusion
This Denon AVR-S660H receiver is a perfect example of how the latest technologies, such as Bluetooth and AirPlay connectivity, can be combined with traditional components to create a great experience for listeners. Also, check the S760H.
With this unit’s 6 HDMI inputs, you won’t have any trouble connecting your favorite devices from cable TV providers or video game consoles to enjoy the high-definition sound quality. This product is also compatible with Dolby Atmos surround technology which will provide an immersive cinema experience in the comfort of your own home!
Also Read: Denon AVR-S750H
Denon AVR-S660H Frequently Asked Questions
Where can I download the manual?
You can download the manual here.
Is it available on Amazon/eBay?
No, as of writing this review it is not available on Amazon.