Onkyo TX-NR555 vs Onkyo TX-SR393 review

Votes 1 1
Rating 5 5

AV receivers comparison chart

Onkyo TX-NR555 vs Onkyo TX-SR393 review

Onkyo TX-NR555
vs
Onkyo TX-SR393

An affordable AV receiver is always a good option to consider, so Onkyo TX-NR555 vs Onkyo TX-SR393 comparison definitely makes sense.

Amplifier

A significant difference between the receivers in the number of channels, Onkyo TX-NR555 has 7.2 versus 5.2 for Onkyo TX-SR393. Regarding power, then TX-NR555 has such a W/Ohm ratio - 130/6 when TX-SR393 has a power of 80/8, 155/6. 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 AKM 384 KHz/32-bit for the TX-SR393. Only the TX-NR555 supports Bi-amping feature. The Onkyo TX-NR555 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. Only the TX-NR555 supports Spotify. 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. The TX-SR393 can scale the input HDMI signal, unlike the TX-NR555. Dolby Vision technology found support only on the TX-SR393.

Extensive connections

The Onkyo TX-NR555 has 6/1 HDMI inputs/outputs versus 4/1 HDMI connectors of the Onkyo TX-SR393.Onkyo TX-NR555 connectionsOnkyo TX-SR393 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. The TX-NR555 has 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. A voice control is not available. An ECO mode is only available for the TX-NR555. Unfortunately, the setup assistant is not available in each of the models.

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
Onkyo TX-SR393

Model

TX-NR555
TX-SR393

Brand

Onkyo
Onkyo

Reviews

82
17

Amplifier

Channels

7.2
5.2

Stereo power (RMS), W/Ohm

130/6
80/8, 155/6

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
AKM 384 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

AccuEQ
AccuEQ

Speaker A/B switching

Other audio features

Double Bass Function, CinemaFILTER
Advanced Music Optimizer, Hi-Res audio, CinemaFILTER

Connectivity

Wi-Fi

2.4/5GHz

USB

1 (USB 2.0)
1 (USB 2.0)

Bluetooth

Ethernet (RJ45)

1

DLNA

MHL

Streaming services

Apple Music (AirPlay)

AirPlay

Amazon Music

Spotify

Other streaming services

Deezer, TIDAL, Pandora
has not

Extensive connection

HDMI input/output

6/1
4/1

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
1

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
phones, setup mic

Multi channel preamp output

Video features

HDR (High Dynamic Range)

HDR10

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

Additional features

Voice control

App control

iPhone, iPad, iPod, Android
Android

Display

colour OSD
fluorescent

Tuner

AM, FM
AM, FM

Sleep timer

Auto power off

ECO mode

Graphical user interface (GUI)

Setup assistant

Firmware update

network, USB
USB

Other additional features

has not
has not

Multi-room

Multi-room zones

2
2

Zone audio output

speaker, preout
speaker

Zone HDMI output

Multi-room control

FlareConnect
has not

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, Dolby Atmos Height Virtualization

DTS:X

DTS HD Master

DTS Virtual:X

DTS Neural:X

DTS (other)

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

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
445

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 16 x 32.8/17 x 6.3 x 12.8

Weight, kg/lbs

9.4/20.7
8.2/18.1

Other

Release year

2016
2019
Onkyo TX-NR555
Onkyo TX-SR393
Onkyo TX-NR555
Onkyo TX-SR393

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 7
  • 5.2
  • 7Onkyo TX-NR555
  • 5.2Onkyo TX-SR393