Denon AVR-X6500H vs Onkyo TX-SR383 review

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Denon AVR-X6500H vs Onkyo TX-SR383 review

Denon AVR-X6500H
vs
Onkyo TX-SR383

Denon AVR-X6500H vs Onkyo TX-SR383 – that is a question.

Amplifier

The number of channels for receivers is different - 11.2 versus 7.2, respectively, for devices. In terms of power, there are differences, the AVR-X6500H has such a ratio W/Ohm - 140/8, 175/6, while the TX-SR383 has a power of 100/8, 135/6. The value of total harmonic distortion is also different, and for the AVR-X6500H it is 0.05%, but for the TX-SR383 it is 0.09%.

Audio features

The manufacturer installed different DACs, the AVR-X6500H received the model 192 KHz/32-bit, but the TX-SR383 is equipped with 192 KHz/24-bit. The Bi-amping function is implemented only in the Denon AVR-X6500H. The model AVR-X6500H can transmit an audio signal directly to the amplifier and bypasses any DSP processing.

Connectivity

Wireless Internet connection via WIFI is only possible with AVR-X6500H. Each of the receivers has a Bluetooth connector. The AVR-X6500H has access to the Spotify service. The quality of 4K/60Hz signal remains unchanged when transmitting from a source to a TV or projector via HDMI for both receivers. Signaling over HDMI in standby mode can provide the AVR-X6500H and the TX-SR383. Video scaling is only possible with the AVR-X6500H. Operation with the Dolby Vision is only possible with the AVR-X6500H.

Extensive connections

The number of HDMI inputs/outputs varies depending on the receiver, the AVR-X6500H has 8/3, and the TX-SR383 has 4/1.Denon AVR-X6500H connectionsOnkyo TX-SR383 connections HDMI Audio Return Channel is implemented in both devices. HDMI eARC is only supported by the AVR-X6500H. When comparing receivers, it becomes clear that each of the rivals can work with HDMI CEC. AVR-X6500H and TX-SR383 support the standard HDCP 2.2. In the presence of a built-in phono stage for connecting a vinyl player only at Denon AVR-X6500H.

Additional features

Unlike the AVR-X6500H where 3 Multi zones is provided, the TX-SR383 works with 2 Multi zones. There is an ECO mode in AVR-X6500H. The Denon AVR-X6500H can be properly configured using the setup assistant.

Multichannel surround

A Dolby Atmos multichannel audio format is available only in the AVR-X6500H. Only in the AVR-X6500H realized a DTS:X surround technology.

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General

Item

Denon AVR-X6500H
Onkyo TX-SR383

Model

AVR-X6500H
TX-SR383

Brand

Denon
Onkyo

Reviews

54
188

Amplifier

Channels

11.2
7.2

Stereo power (RMS), W/Ohm

140/8, 175/6
100/8, 135/6

Output impedance, Ohm

8, 6
8, 6

Frequency response

10Hz-100KHz
5Hz-100KHz

THD in stereo, %

0.05
0.09

Audio features

Digital to analog converter (DAC)

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

Bi-amping

Pure direct (straight)

Auto speaker calibration

Audyssey MultEQ XT32
Audyssey MultEQ

Speaker A/B switching

Other audio features

Audyssey Dynamic Volume, Audyssey Dynamic EQ, Audyssey LFC, Compressed Audio Restorer
Advanced Music Optimizer

Connectivity

Wi-Fi

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

Deezer, TIDAL, Pandora, Napster, SiriusXM, TuneIn Radio, iHeart Radio, Sound Cloud, Mood Mix
has not

Extensive connection

HDMI input/output

8/3
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

2
1

Composite input

4
2

Component input/output

2/1
0/0

Phono (MM) input

Front panel connectors

USB, HDMI, 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/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

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

Additional features

Voice control

Amazon Alexa, Google Assistant, Siri, Josh.AI

App control

iPhone, iPad, iPod, Android, Amazon Kindle
iPhone, iPod, 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

IP Control
has not

Multi-room

Multi-room zones

3
2

Zone audio output

speaker, preout
speaker

Zone HDMI output

Multi-room control

HEOS App
has not

RS-232

1
0

Remote control input/output (IR)

1/1
0/0

DC trigger output (12V)

2
0

Multichannel surround

Dolby Atmos

Dolby TrueHD

Dolby Surround

Dolby (other)

Dolby Digital Plus
Dolby Pro Logic

DTS:X

DTS HD Master

DTS Virtual:X

DTS Neural:X

DTS (other)

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

Auro-3D

IMAX Enhanced

Multichannel stereo

Audio file formats

MP3

WMA

AAC

WAV

FLAC

ALAC

Other audio file formats

AIFF
has not

Power

Operational power consumption, W

750
270

Standby consumption, W

0.1
0.3

Removable power cord

User manual

Manual

Dimensions

Size W x H x D, cm/inches

43.5 x 15.2 x 38/17 x 6.7 x 14.9
43.5 x 16.8 x 32.6/17 x 6.3 x 12.6

Weight, kg/lbs

14.5/32
8.2/17.6

Other

Release year

2018
2018
Denon AVR-X6500H
Onkyo TX-SR383
Denon AVR-X6500H
Onkyo TX-SR383

AV receivers SoundInspiration comparison rating

  • better
  • worse
  • 9.4
  • 4.8
  • 9.4Denon AVR-X6500H
  • 4.8Onkyo TX-SR383