Onkyo TX-SR383 vs Onkyo TX-NR555

Onkyo TX-SR383

Onkyo TX-SR383 review

Dec 06, 2018

I love the guided setup of this great receiver. As my Onkyo TX-SR383 review, I think that after you have completed the setup procedure, you will probably want to do it over again just to experience t...

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Onkyo TX-NR555

Onkyo TX-NR555 review

May 20, 2019

In my opinion, Onkyo TX-NR555 is a really respectable example of how home theater amplifiers have changed for last years, beginning from being the audio centerpiece to controlling audio, video, netwo...

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Common

Product

Onkyo TX-SR383
Onkyo TX-NR555

Model

TX-SR383
TX-NR555

Brand

Onkyo
Onkyo

Rating

3.8 of 5
4.1 of 5

Reviews

24
76

Amplifier

Total output power

700 W
560 W

Output power per channel

100 W
140 W, 80 W

Output impedance per channel

8 Ohm
6 Ohm, 8 Ohm

Frequency response

20 Hz-20 kHz
20 Hz-20 kHz

Total harmonic distortion

0.08 %
0.08 %

Number of channels

7
7

Signal-to-noise ratio

106 dB
106 dB

Functions

Amplifier class

Digital player

Internet radio

Network audio player

Audio formats

AAC

DSD

AIFF

Apple lossless

FLAC

MP3

WAV

WMA

Built-in decoders

DTS:X

DTS-HD master audio

DTS neural:X

Dolby Atmos

Dolby digital plus

Dolby surround

Dolby true HD

Built-in display

Type

fluorescent
fluorescent

Colour

black
black

Connectivity interfaces

Bluetooth

Wi-Fi

IEEE 802.3

IEEE 802.3u

Signal processing

HDMI pass-through

up to 4K
up to 4K

Video conversion/scaling

Analog to HDMI up conversion

3D pass-through

Upscaling via HDMI

up to 4K
up to 4K

Connector type

AV inputs

2
2

Optical digital inputs

1
2

Coaxial digital inputs

1
1

HDMI inputs

4
6

HDMI outputs

1
1

Optical digital outputs

has not
has not

Coaxial digital outputs

has not
has not

Subwoofer outputs

2
2

USB

1
1

Phones

1
1

Media content source

Bluetooth

Network

USB-host

Radio

Tuner type

digital
digital

Tuner bands

AM/FM
AM/FM

Preset station

40
40

Preset station qty

Additional features

A-B speaker switch

MCACC Pro

Deep color

X.v.Color

AIR Studios monitor certification

Three-zone capability

Advanced sound retriever (ASR) technology

Apple air-play support

Audio return channel (ARC)

Bi-amplifying

Auto power off

Pure direct mode

Dual-zone capability

Smartphone remote control

Sound features

Audio D/A converter

24bit / 192kHz
32bit / 384kHz

DSP preset qty

Sound output mode

Surround sound effects

Dolby Surround
Theater-Dimensional Virtual Surround

Surround system class

7.2 channel
7.2 channel

Digital content protection

HDCP 2.2
has not

Digital sound processor (DSP)

Clock

Built-in clock

has not

Sleep timer

has not

Power device

Operational power consumption

270 W
460 W

Standby power consumption

0.3 W
0.1 W

User manual

Manual

Dimensions

Dimensions

12.9 x 17.1 x 6.6 inches
22.5 x 18 x 11 inches

Weight

18 pounds
22 pounds
Onkyo TX-SR383
Onkyo TX-NR555
Onkyo TX-SR383
Onkyo TX-NR555

AV receivers HelpToChoose comparison rating

  • better
  • worse
  • 20.9
  • 23.5
  • 20.9Onkyo TX-SR383
  • 23.5Onkyo TX-NR555

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