Denon AVR-S660H vs Denon AVR-S740H

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Votes 1 1
Rating 5 5

AVR-S660H vs AVR-S740H comparison chart

Denon AVR-S660H vs Denon AVR-S740H review

Denon AVR-S660H
vs
Denon AVR-S740H

To get informed with the specs of the receivers, we suggest you read the Denon AVR-S660H and Denon AVR-S740H review. According to the results of our review, Denon AVR-S660H received 6.7 points out of 10 possible, and Denon AVR-S740H was rated 7.1 points. The release date of AVR-S660H is 2021, and AVR-S740H is 2018. This review shows us that the AVR-S740H is a better choice as a home AV receiver than the AVR-S660H.

Main advantages Denon AVR-S660H over Denon AVR-S740H

  • Include HDMI eARC function.
  • 8K/60Hz signal pass-through is available.

Main advantages Denon AVR-S740H over Denon AVR-S660H

  • More channels, namely 7, makes this receiver more profitable than its 5-channel competitor.
  • Thanks to 2 multi-room zones support, AVR-S740H bypasses its competitor without multizone support.

Amplifiers

For the built-in amplifier, the devices received different marks - 6 and 8, respectively, on a 10-point scale.

AVR-S660H
6
AVR-S740H
8

The number of channels is equal to the number of possible connected speakers. The Denon AVR-S660H supports 5.2-channels sound, but Denon AVR-S740H supports a 7.2-channels configuration.

RMS stands for the actual power of the receiver. The higher this value, the louder the sound can be produced. In terms of RMS power, the models have the same characteristics - 75/8, 100/6/8 W/Ohm.

AVR-S660H AVR-S740H
Channels5.27.2
Stereo power (RMS), W/Ohm75/8, 100/675/8, 110/6
Output impedance, Ohm8, 68, 6
Frequency response10Hz-100KHz10Hz-100KHz
THD in stereo, %0.080.08

Audio features

The score for audio features is 6 of 10 for both receivers.

AVR-S660H
6
AVR-S740H
6

Pure Direct mode feeds sound directly to the amplifier and bypasses any DSP processing. Only Denon AVR-S740H has Pure Direct mode.

Most receivers now come with a microphone included. It is with the help of this microphone that the auto-calibration system functions, which adjusts the sound of the receiver to the room.

AVR-S660H AVR-S740H
Digital to analog converter (DAC)192 KHz/32-bit192 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibrationAudyssey MultEQAudyssey MultEQ
Speaker A/B switching
Other audio featuresAudyssey Dynamic Volume, Audyssey Dynamic EQ, Hi-Res audioAudyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Restorer, Hi-Res audio

Connectivity

The connectivity of competitors in our comparison is equal and was rated 7 out of 10.

AVR-S660H
7
AVR-S740H
7

Bluetooth connection is now one of the main communication protocols for the receiver's control or even music broadcasting.

AVR-S660H AVR-S740H
Wi-Fi2.4/5GHz
USB1 (USB 2.0)1 (USB 2.0)
Bluetooth
Ethernet (RJ45)11
DLNA
MHL

Streaming services

Now music streaming services are gaining more and more popularity. They allow users to listen to millions of songs by subscription.

AVR-S660H AVR-S740H
Apple Music (AirPlay)AirPlay, AirPlay 2AirPlay, AirPlay 2
Amazon Music
Spotify
Other streaming servicesDeezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloudDeezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud

Extensive connections

The presence of many connectors makes the receiver more versatile. But there are also narrowly targeted models, the number of connectors which are limited to a certain area of use. And when choosing their own receiver, users need to consider exactly your goals for using the receiver. For extensive connection, Denon AVR-S660H got 7 points, but Denon AVR-S740H received 6 points.

AVR-S660H
7
AVR-S740H
6

Competitors in our review have 6/1 HDMI inputs and outputs.

HDMI eARC is the next step in the development of audio return channel technology, which works in conjunction with HDMI 2.1. Using eARC provides the highest sound quality for home audio systems. HDMI eARC is available only on Denon AVR-S660H.

The HDCP encryption protocol is now mandatory for most media devices. This security technology encrypts digital signals from one product to another. HDCP content-encryption protocol is present on Denon AVR-S660H in the HDCP 2.3 version, and Denon AVR-S740H has the HDCP 2.2 version.

AVR-S660H AVR-S740H
HDMI input/output6/16/1
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)HDCP 2.3HDCP 2.2
Subwoofer output (LFE)22
Headphone output1 x 6.31 x 6.3
Optical digital input22
Coaxial digital input11
Composite input22
Component input/output00/0
Phono (MM) input
Front panel connectorsUSB, phones, setup micUSB, HDMI, phones, setup mic
Multi channel preamp output

Video features

The AV receiver is the heart of the home theater. And in this case, support for all current video formats ensures the best user experience, so it is very important to consider this when choosing a device. Video features of the AVR-S660H were rated 8 out of 10 against the 6 for the AVR-S740H.

AVR-S660H
8
AVR-S740H
6

With the 4K pass-through feature, the AV receiver sends "native" 4K signals to a 4K TV from a video source without any processing. The AVR-S660H works with the 4K/120Hz video, and the AVR-S740H has the 4K/60Hz.

The AV receiver passes "native" 8K signals from a video source to 8K TV without any encoding, with the 8k pass-through features. The 8K path-through is available only on Denon AVR-S660H.

Most of the AV receivers have a video scaling function, it is the process of reformatting the video signal to a higher resolution without losing the quality of the image. Upscaling the video signal resolution is possible only with Denon AVR-S660H.

AVR-S660H AVR-S740H
HDR (High Dynamic Range)HDR10+
4K signal pass-through4K/120Hz4K/60Hz
8K signal pass-through8K/60Hz
HDMI signal pass-through
3D signal pass-through
HDMI pass-through in standby mode
Video conversion
Analog to HDMI scaling
HDMI to HDMI scaling
Dolby Vision
Other video featuresDynamic HDR, HLG, BT.2020BT.2020, HLG

Additional features

In terms of evaluating additional features, both receivers received a score of 10 out of 10.

AVR-S660H
10
AVR-S740H
10

AVR-S660H AVR-S740H
Voice controlAmazon Alexa, Google Assistant, Siri, Josh.AIAmazon Alexa, Google Assistant, Siri, Josh.AI
App controliPhone, iPad, iPod, AndroidiPhone, iPad, iPod, Android
Displaycolour OSDcolour OSD
TunerAM, FMAM, FM
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware updatenetwork, USBnetwork, USB
Other additional featuresWeb Control, App ControlIP Control, Web Control

Multi-room

As the center of a home media system, each multichannel receiver has an additional set of terminals for connecting the second set of speakers to create additional audio space in Zone 2 or even Zone 3 where audio can have the separate source.

AVR-S660H AVR-S740H
Multi-room zoneshas not2
Zone audio outputhas notspeaker
Zone HDMI outputhas not
Multi-room controlHEOS App, Denon 2016 AVR RemoteHEOS App
RS-23200
Remote control input/output (IR)0/00/0
DC trigger output (12V)00

Multichannel surround

Denon AVR-S660H got 8 points for the multichannel surround sound and Denon AVR-S740H got 7.

AVR-S660H
8
AVR-S740H
7

AVR-S660H AVR-S740H
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)Dolby Atmos Height VirtualizationDolby Digital Plus
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESSDTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Surround
Auro-3D
IMAX Enhanced
Multichannel stereo
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