Onkyo TX-NR555 vs Denon AVR-S740H review

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Rating 5 5

AV receivers comparison chart

Onkyo TX-NR555 vs Denon AVR-S740H review

Onkyo TX-NR555
vs
Denon AVR-S740H

An affordable AV receiver is always a good option to consider, so Onkyo TX-NR555 vs Denon AVR-S740H comparison definitely makes sense.

Amplifier

Considered AV receivers have the same number of channels 7.2. Regarding power, then TX-NR555 has such a W/Ohm ratio - 130/6 when AVR-S740H has a power of 75/8, 110/6. The THD is the same and is 0.08%.

Audio features

Characteristics of digital to analog converter (DAC) are different, Hi-Grade 384 KHz/32-bit for TX-NR555 and 192 KHz/32-bit for the AVR-S740H. Only the TX-NR555 supports Bi-amping feature. Each of the AV receivers can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Onkyo TX-NR555 has support for AirPlay, and its competitor in our comparison - AirPlay, AirPlay 2. Spotify can be used on each receiver. The TX-NR555 can work with the audio stream from Deezer, TIDAL, Pandora, and the AVR-S740H can receive a content from Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud.

Video features

These units support HDR technology. Compared AV receivers retain the quality of 4K/60Hz signal when transmitting from a source to a TV or projector. HDMI signal transmission in standby mode is implemented in each of the devices. Both competitors are not able to scale the HDMI signal. Dolby Vision technology found support only on the AVR-S740H.

Extensive connections

Each receiver has 6/1 HDMI inputs/outputs.Onkyo TX-NR555 connectionsDenon AVR-S740H connections The HDMI Audio Return Channel (ARC) feature supports both devices. Unfortunately, HDMI eARC is not available on monitored devices. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. Both models support the standard HDCP 2.2. These compared receivers have a built-in phono stage for connecting a vinyl player.

Additional features

Each of the AV receivers from our review supports 2 Multi-room zones. It is also worth noting that the ECO mode is presented in each of the receivers. The setup assistant will help you configure Denon AVR-S740H.

Multichannel surround

Both devices have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices under review.

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General

Item

Onkyo TX-NR555
Denon AVR-S740H

Model

TX-NR555
AVR-S740H

Brand

Onkyo
Denon

Reviews

82
158

Amplifier

Channels

7.2
7.2

Stereo power (RMS), W/Ohm

130/6
75/8, 110/6

Output impedance, Ohm

6
8, 6

Frequency response

10Hz-100KHz
10Hz-100KHz

THD in stereo, %

0.08
0.08

Audio features

Digital to analog converter (DAC)

Hi-Grade 384 KHz/32-bit
192 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

AccuEQ
Audyssey MultEQ

Speaker A/B switching

Other audio features

Double Bass Function, CinemaFILTER
Audyssey Dynamic Volume, Audyssey Dynamic EQ, Compressed Audio Restorer, Hi-Res audio

Connectivity

Wi-Fi

2.4/5GHz

USB

1 (USB 2.0)
1 (USB 2.0)

Bluetooth

Ethernet (RJ45)

1
1

DLNA

MHL

Streaming services

Apple Music (AirPlay)

AirPlay
AirPlay, AirPlay 2

Amazon Music

Spotify

Other streaming services

Deezer, TIDAL, Pandora
Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud

Extensive connection

HDMI input/output

6/1
6/1

HDMI ARC (Audio Return Channel)

HDMI eARC (Enhanced Audio Return Channel)

HDMI CEC

Digital content protection (HDCP)

HDCP 2.2
HDCP 2.2

Subwoofer output (LFE)

2
2

Headphone output

1 x 6.3
1 x 6.3

Optical digital input

2
2

Coaxial digital input

1
1

Composite input

2
2

Component input/output

2/0
0/0

Phono (MM) input

Front panel connectors

phones, setup mic, AUX
USB, HDMI, phones, setup mic

Multi channel preamp output

Video features

HDR (High Dynamic Range)

4K signal pass-through

4K/60Hz
4K/60Hz

8K signal pass-through

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

DeepColor, x.v.Color
BT.2020, HLG

Additional features

Voice control

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

has not
IP Control, Web Control

Multi-room

Multi-room zones

2
2

Zone audio output

speaker, preout
speaker

Zone HDMI output

Multi-room control

FlareConnect
HEOS App

RS-232

0
0

Remote control input/output (IR)

0/0
0/0

DC trigger output (12V)

0
0

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

Dolby (other)

has not
Dolby Digital Plus

DTS:X

DTS HD Master

DTS Virtual:X

DTS Neural:X

DTS (other)

has not
DTS-ES, DTS 96/24, DTS-HD, DTS-EXPRESS, DTS-Surround

Auro-3D

IMAX Enhanced

Multichannel stereo

Audio file formats

MP3

WMA

AAC

WAV

FLAC

ALAC

Other audio file formats

has not
has not

Power

Operational power consumption, W

460
400

Standby consumption, W

0.1
0.1

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.5 x 17.3 x 37.8/17 x 6.7 x 14.5
43.5 x 15.2 x 33/17 x 6 x 13.3

Weight, kg/lbs

9.4/20.7
8.6/19

Other

Release year

2016
2018
Onkyo TX-NR555
Denon AVR-S740H
Onkyo TX-NR555
Denon AVR-S740H

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 7
  • 7.1
  • 7Onkyo TX-NR555
  • 7.1Denon AVR-S740H