Sony STR-ZA3100ES vs Onkyo TX-NR555

Sony STR-ZA3100ES
vs
Onkyo TX-NR555

An affordable AV receiver is always a good option to consider, so Sony STR-ZA3100ES vs Onkyo TX-NR555 comparison definitely makes sense. Both have 7.2 channel amplifiers. Both receivers have support for Dolby Atmos multichannel audio format. The surround sound technology DTS:X is supported by devices. We have evaluated both AV receivers, STR-ZA3100ES has an overall score of 6.3 out of 10 vs 7 out of 10 for TX-NR555.

Advantages Sony STR-ZA3100ES over Onkyo TX-NR555

  • HDMI eARC features compatible
  • Dolby Vision compatible
  • Has a GUI (Graphic User Interface)
  • Setup assistant
  • IMAX Enhanced certification

Advantages Onkyo TX-NR555 over Sony STR-ZA3100ES

  • Built-in Wi-Fi
  • AirPlay support
  • Built-in phono (MM) input

Common strengths

  • Bi-amp capability
  • Pure direct/Straight decode mode is enabled
Votes 1 1
Rating 5 5

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Common

Product

Sony STR-ZA3100ES
Onkyo TX-NR555

Model

STR-ZA3100ES
TX-NR555

Brand

Sony
Onkyo

Reviews

6
296

Amplifier

Channels

7.2
7.2

Stereo power (RMS), W/Ohm

70/8 20Hz-20KHz, 90/6 1KHz
130/6 1KHz

Output impedance, Ohm

8, 6
6

Frequency response

10Hz-100KHz
10Hz-100KHz

THD in stereo, %

0.09
0.08

Audio features

Digital to analog converter (DAC)

Hi-Grade 384 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

DCAC EX
AccuEQ

Speaker A/B switching

Other audio features

Sound Optimizer
Double Bass Function, CinemaFILTER

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

Google Play Music

Amazon Music

Spotify

Other streaming services

has not
Deezer, TIDAL, Pandora

Extensive connection

HDMI input/output

6/2
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

0
1 x 6.3

Optical digital input

2
2

Coaxial digital input

1
1

Composite input

2
2

Component input/output

2/0
2/0

Phono (MM) input

Front panel connectors

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

Multi channel preamp output

Video features

HDR (High Dynamic Range)

4K signal pass-through

4K 60p
4K 60p

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

HLG
DeepColor, x.v.Color

Additional features

Voice control

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
has not

Multi-room

Multi-room zones

2
2

Zone audio output

speaker, preout
speaker, preout

Zone HDMI output

Multi-room control

has not
FlareConnect

RS-232

1
0

Remote control input/output (IR)

1/2
0/0

DC trigger output (12V)

3
0

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

Dolby (other)

Dolby Digital Plus
has not

DTS:X

DTS HD Master

DTS Virtual:X

DTS Neural:X

DTS (other)

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

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

290
460

Standby consumption, W

0.3
0.1

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43 x 17.4 x 41/17 x 6.7 x 16.1
43.5 x 17.3 x 37.8/17 x 6.7 x 14.5

Weight, kg/lbs

12.7/28
9.4/20.7
Sony STR-ZA3100ES
Onkyo TX-NR555
Sony STR-ZA3100ES
Onkyo TX-NR555

AV receivers CHooseratoR comparison rating

  • better
  • worse
  • 6.3
  • 7
  • 6.3Sony STR-ZA3100ES
  • 7Onkyo TX-NR555

The Onkyo TX-NR555 is better receiver in this comparison - check Onkyo TX-NR555 price.