Onkyo TX-SR383 vs Denon AVR-S660H review

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Rating 5 5

AV receivers comparison chart

Onkyo TX-SR383 vs Denon AVR-S660H review

Onkyo TX-SR383
vs
Denon AVR-S660H

The Onkyo TX-SR383 vs Denon AVR-S660H comparison proves that these receivers have many common features.

Amplifier

A significant difference between the receivers in the number of channels, Onkyo TX-SR383 has 7.2 versus 5.2 for Denon AVR-S660H. Regarding power, then TX-SR383 has such a W/Ohm ratio - 100/8, 135/6 when AVR-S660H has a power of 75/8, 100/6. The THD is 0.09% for the TX-SR383 but 0.08% for the AVR-S660H.

Audio features

Characteristics of digital to analog converter (DAC) are different, 192 KHz/24-bit for TX-SR383 and 192 KHz/32-bit for the AVR-S660H. None of the models support Bi-amping. Sound transmission directly to the amplifier in Pure direct (straight) mode is not implemented in these models. Rivals from our review have Bluetooth support. Only the AVR-S660H supports Spotify. HDMI signal transmission in standby mode is implemented in each of the devices. The AVR-S660H can scale the input HDMI signal, unlike the TX-SR383. Dolby Vision technology found support only on the AVR-S660H.

Extensive connections

The Onkyo TX-SR383 has 4/1 HDMI inputs/outputs versus 6/1 HDMI connectors of the Denon AVR-S660H.Onkyo TX-SR383 connectionsDenon AVR-S660H connections The HDMI Audio Return Channel (ARC) feature supports both devices. The HDMI eARC is available only on the AVR-S660H. The Consumer Electronics Control (CEC) feature is present in most modern AV receivers and the models in our comparison are no exception. The TX-SR383 supports the protection of digital content of the standard HDCP 2.2, versus HDCP 2.3 in the AVR-S660H. The AVR-S660H has a built-in phono stage for connecting a vinyl player. An ECO mode is only available for the AVR-S660H. The setup assistant will help you configure Denon AVR-S660H.

Multichannel surround

Only the AVR-S660H has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the AVR-S660H.

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General

Item

Onkyo TX-SR383
Denon AVR-S660H

Model

TX-SR383
AVR-S660H

Brand

Onkyo
Denon

Reviews

188
0

Amplifier

Channels

7.2
5.2

Stereo power (RMS), W/Ohm

100/8, 135/6
75/8, 100/6

Output impedance, Ohm

8, 6
8, 6

Frequency response

5Hz-100KHz
10Hz-100KHz

THD in stereo, %

0.09
0.08

Audio features

Digital to analog converter (DAC)

192 KHz/24-bit
192 KHz/32-bit

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ
Audyssey MultEQ

Speaker A/B switching

Other audio features

Advanced Music Optimizer
Audyssey Dynamic Volume, Audyssey Dynamic EQ, Hi-Res audio

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, AirPlay 2

Amazon Music

Spotify

Other streaming services

has not
Deezer, TIDAL, Pandora, SiriusXM, Napster, SoundCloud

Extensive connection

HDMI input/output

4/1
6/1

HDMI ARC (Audio Return Channel)

HDMI eARC (Enhanced Audio Return Channel)

HDMI CEC

Digital content protection (HDCP)

HDCP 2.2
HDCP 2.3

Subwoofer output (LFE)

2
2

Headphone output

1 x 6.3
1 x 6.3

Optical digital input

1
2

Coaxial digital input

1
1

Composite input

2
2

Component input/output

0/0
0

Phono (MM) input

Front panel connectors

USB, phones, setup mic
USB, phones, setup mic

Multi channel preamp output

Video features

HDR (High Dynamic Range)

HDR10+

4K signal pass-through

4K/60Hz
4K/120Hz

8K signal pass-through

8K/60Hz

HDMI signal pass-through

3D signal pass-through

HDMI pass-through in standby mode

Video conversion

Analog to HDMI scaling

HDMI to HDMI scaling

Dolby Vision

Other video features

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

Additional features

Voice control

Amazon Alexa, Google Assistant, Siri, Josh.AI

App control

iPhone, iPod, Android
iPhone, iPad, iPod, Android

Display

fluorescent
colour OSD

Tuner

AM, FM
AM, FM

Sleep timer

Auto power off

ECO mode

Graphical user interface (GUI)

Setup assistant

Firmware update

USB
network, USB

Other additional features

has not
Web Control, App Control

Multi-room

Multi-room zones

2
has not

Zone audio output

speaker
has not

Zone HDMI output

has not

Multi-room control

has not
HEOS App, Denon 2016 AVR Remote

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)

Dolby Pro Logic
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
AIFF, DSD

Power

Operational power consumption, W

270
340

Standby consumption, W

0.3
0.1

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.5 x 16.8 x 32.6/17 x 6.3 x 12.6
43.4 x 33.9 x 21.5/17 x 13.3 x 8.4

Weight, kg/lbs

8.2/17.6
7.8/17

Other

Release year

2018
2021
Onkyo TX-SR383
Denon AVR-S660H
Onkyo TX-SR383
Denon AVR-S660H

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 4.8
  • 6.7
  • 4.8Onkyo TX-SR383
  • 6.7Denon AVR-S660H