Onkyo TX-RZ920 vs Onkyo TX-NR555

Onkyo TX-RZ920

Onkyo TX-RZ920 review

Mar 19, 2020

The Onkyo TX-RZ920 is the AVR that provides the surround sound of multi-channel audio and home theater system. It produces 135W per channel and delivers both object-based audio and stereo sound repro...

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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-RZ920
Onkyo TX-NR555

Model

TX-RZ920
TX-NR555

Brand

Onkyo
Onkyo

Rating

4.2 of 5
4.1 of 5

Reviews

17
76

Amplifier

Total output power

1215 W
560 W

Output power per channel

135
140 W, 80 W

Output impedance per channel

6 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

9
7

Signal-to-noise ratio

107 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

Connector type

AV inputs

2
2

Optical digital inputs

2
2

Coaxial digital inputs

2
1

HDMI inputs

8
6

HDMI outputs

2
1

Optical digital outputs

has not
has not

Coaxial digital outputs

has not
has not

Subwoofer outputs

1
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

Theater-Dimensional Virtual Surround

Surround system class

9.2 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

310 W
460 W

Standby power consumption

0.1 W
0.1 W

User manual

Manual

Dimensions

Dimensions

17.1 x 17.1 x 7.2 inches
22.5 x 18 x 11 inches

Weight

35.9 pounds
22 pounds
Onkyo TX-RZ920
Onkyo TX-NR555
Onkyo TX-RZ920
Onkyo TX-NR555

AV receivers HelpToChoose comparison rating

  • better
  • worse
  • 24.7
  • 21.5
  • 24.7Onkyo TX-RZ920
  • 21.5Onkyo TX-NR555

Onkyo TX-RZ920 is better receiver in this comparison. Check Onkyo TX-RZ920 price