Onkyo TX-SR373 vs Onkyo TX-NR575

Onkyo TX-SR373 vs TX-NR575 – which solution will be better for you?

Onkyo TX-SR373 vs Onkyo TX-NR575

I have tested and compared two high-performance solutions - Onkyo TX-SR373 vs TX-NR575. This review is helpful for people who are looking for a good receiver.

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Features & Performance

Onkyo TX-SR373 vs Onkyo TX-NR575 back

One of the main differences between Onkyo TX-NR575 vs TX-SR373 is that NR575 supports the 7.2 channel setup, while SR373 is capable of working with the 5.2 setups only. If we compare the total power output we will also see that NR575 is more powerful – 610 W, while SR373 can output 500 W only. NR575 also has a better 32 bit D/A converter, SR373 features a 24-bit converter. However, both models support the modern 4K 60 Hz video standard. These two solutions also have various audio and video enhancement technologies.

Connections & Setup

Onkyo TX-SR373 has a Bluetooth module only, while NR575 features a Bluetooth and a Wi-Fi module. These solutions are dual-zone capable.

Onkyo uses the AccuEQ technology for audio calibration. This technology is quite precise – it analyzes the room acoustics and configures your speakers accordingly. The manufacturer provides with the microphone required for the calibration. You can tweak the settings afterward.

Design

These two models look almost the same – there is a display, a row of buttons under it and a large knob on the right side. TX-NR575 also has additional knobs on the left side. Both models have extra ports on the front panel. These two models come with remote controllers, but some people may find the buttons too small.

The dimensions are 12.8x17.1x6.6 in for TX-SR373 versus 14.9x17.1x6.8 in for TX-NR575. The weight is 17.6 pounds and 20 pounds respectively.

Onkyo TX-SR373 pros & cons

Pros:

  • Many features which are easy to use even if you are not familiar with this kind of devices.
  • It is easy to set up.
  • The output sound is rich and clear. It does not distort at a high volume.

Cons:

  • Issues with the HDMI ports – no sound.
  • It takes some time to start producing sound – it happens when you turn it on or switch sources.

Onkyo TX-NR575 pros & cons

Pros:

  • The output sound is clear and deep – due to the high-quality components installed.
  • It is easy to set up because of the user-friendly UI.
  • Great compatibility with various devices.

Cons:

  • The Bluetooth module may work unstable – you can experience lagging or losing the connection.
  • Zone 2 inputs are for non-digital inputs only.
  • The built-in applications may lack certain functions.

Onkyo TX-SR373
Onkyo TX-SR373 review

Nov 22, 2018

The Onkyo TX-SR373 has a really good power. For example, the operational power consumption is 210W, and power consumption in a standby mode is 0.3W. It has the economic mode (standby) and the opportu...

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Onkyo TX-NR575
Onkyo TX-NR575 review

Sep 25, 2018

When you're buying home theater gear it's a usual choice between either features or performance. But if you could have both? The Onkyo TX-NR575 is a mid-level receiver which pairs of the wealth of up...

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Common

Product

Onkyo TX-SR373
Onkyo TX-NR575

Model

TX-SR373
TX-NR575

Brand

Onkyo
Onkyo

Rating

4.0 of 5
4.1 of 5

Reviews

75
164

Functions

Digital player

Internet radio

Network audio player

Amplifier class

D
D

Audio formats

AAC

AIFF

Apple lossless

DSD

FLAC

MP3

WAV

WMA

Built-in decoders

DTS neural:X

DTS-HD master audio

DTS:X

Dolby atmos

Dolby digital plus

Dolby surround

Dolby true HD

Power device

Operational power consumption

210 W
600 W

Standby power consumption

0.3 W
0.1 W

Built-in display

Type

fluorescent
fluorescent

Colour

black
black

Amplifier

Total output power

500 W
610 W

Output power per channel

100 W
80 W

Output impedance per channel

8 Ohm
4 Ohm

Frequency response

20 Hz-20 kHz
20 Hz-20 kHz

Total harmonic distortion

0.09 %
0.08 %

Number of channels

5
7

Signal-to-noise ratio

100 dB
106 dB

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

HDMI to HDMI scaling, analog to HDMI up conversion

3D pass-through

Upscaling via HDMI

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 qty

30
40

Additional features

A-B speaker switch

AIR Studios monitor certification

Three-zone capability

X.v.Color

Advanced sound retriever (ASR) technology

Apple air-play support

Audio return channel (ARC)

Bi-amplifying

Deep color

MCACC Pro

Auto power off

Pure direct mode

Dual-zone capability

Smartphone remote control

Sound features

Sound output mode

Surround Sound
Surround Sound

Audio D/A converter

24bit / 192kHz
32bit / 192kHz

Surround sound effects

Theater-Dimensional Virtual Surround
Theater-Dimensional Virtual Surround

Surround system class

5.2 channel
7.2 channel

Digital sound processor (DSP)

DSP preset qty

6
4

Digital content protection

HDCP 2.2
HDCP 2.2

Clock

Built-in clock

Sleep timer

Dimensions

Shipping size

12.8 x 17.1 x 6.6 inches
14.9 x 17.1 x 6.8 inches

Product weight

17.6 pounds
20 pounds

AV receivers comparison rating

  • better
  • worse
  • 16.5
  • 44
  • 16.5Onkyo TX-SR373
  • 44Onkyo TX-NR575

The Onkyo TX-NR575 is better receiver in this comparison. Check Onkyo TX-NR575 price

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