Denon AVR-S660H vs. Denon AVR-X4700H

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AVR-S660H vs AVR-X4700H comparison chart

AVR-S660H vs AVR-X4700H comparison

Denon AVR-S660H
Denon AVR-S660H
Denon AVR-X4700H
Denon AVR-X4700H


AVR-S660H AVR-X4700H
Channels 5.2 9.2
Stereo power (RMS), W/Ohm 75/8, 100/6 125/8, 165/6
Output impedance, Ohm 8, 6 8, 6
Frequency response 10Hz-100KHz 10Hz-100KHz
THD in stereo, % 0.08 0.05

Audio features

AVR-S660H AVR-X4700H
Digital to analog converter (DAC) 192 KHz/32-bit N/A
Pure direct (straight)
Auto speaker calibration Audyssey MultEQ Audyssey MultEQ XT32
Speaker A/B switching
Other audio features Audyssey Dynamic Volume, Audyssey Dynamic EQ, Hi-Res audio Audyssey Dynamic Volume, Audyssey Dynamic EQ, Audyssey LFC, Hi-Res audio


AVR-S660H AVR-X4700H
Wi-Fi 2.4/5GHz 2.4/5GHz
USB 1 (USB 2.0) 1 (USB 2.0)
Ethernet (RJ45) 1 1

Streaming services

AVR-S660H AVR-X4700H
Apple Music (AirPlay) AirPlay, AirPlay 2 AirPlay, AirPlay 2
Amazon Music
Other streaming services Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud Deezer, TIDAL, Pandora, SiriusXM, Qobuz, TuneIn Radio

Extensive connection

AVR-S660H AVR-X4700H
HDMI input/output 6/1 8/3
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
Digital content protection (HDCP) HDCP 2.3 HDCP 2.3
Subwoofer output (LFE) 2 2
Headphone output 1 x 6.3 1 x 6.3
Optical digital input 2 2
Coaxial digital input 1 2
Composite input 2 3
Component input/output 0 2/1
Phono (MM) input
Front panel connectors USB, phones, setup mic USB, HDMI, phones, setup mic, AUX
Multi channel preamp output

Video features

AVR-S660H AVR-X4700H
HDR (High Dynamic Range) HDR10+ HDR10
4K signal pass-through 4K/120Hz 4K/120Hz
8K signal pass-through 8K/60Hz 8K/60Hz
HDMI signal pass-through
3D signal pass-through
HDMI pass-through in standby mode
Video conversion analog to HDMI
Analog to HDMI scaling
HDMI to HDMI scaling
Dolby Vision
Other video features Dynamic HDR, HLG, BT.2020 HLG, BT.2020, Dynamic HDR

Additional features

AVR-S660H AVR-X4700H
Voice control Amazon Alexa, Google Assistant, Siri, Josh.AI Amazon Alexa, Google Assistant, Siri, Josh.AI
App control iPhone, iPad, iPod, Android iPhone, iPad, iPod, Android
Display colour OSD colour OSD
Tuner AM, FM AM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware update network, USB network, USB
Other additional features Web Control, App Control IP Control, Web Control, RS-232 Control, App Control


AVR-S660H AVR-X4700H
Multi-room zones has not 3
Zone audio output has not speaker, preout
Zone HDMI output has not
Multi-room control HEOS App, Denon 2016 AVR Remote HEOS App, Denon 2016 AVR Remote
RS-232 0 1
Remote control input/output (IR) 0/0 1/1
DC trigger output (12V) 0 2

Multichannel surround

AVR-S660H AVR-X4700H
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other) Dolby ProLogic Il Dolby Digital Plus, Dolby Atmos Height Virtualization
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other) DTS Neo:6 DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS
IMAX Enhanced
Multichannel stereo

Audio file formats

AVR-S660H AVR-X4700H
Other audio file formats AIFF, DSD AIFF, DSD


AVR-S660H AVR-X4700H
Operational power consumption, W 340 710
Standby consumption, W 0.1 0.1
Removable power cord


AVR-S660H AVR-X4700H
Size W x H x D, cm/inches 43.4 x 33.9 x 21.5/17 x 13.3 x 8.4 43.1 x 15.2 x 35.5/17.1 x 6.6 x 14.9
Weight, kg/lbs 7.8/17 13.6/30.2


AVR-S660H AVR-X4700H
Release year 2021 2020
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