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General
Item
Onkyo TX-8020
Onkyo TX-NR747
Model
TX-8020
TX-NR747
Brand
Onkyo
Onkyo
Reviews
738
0
Amplifier
Channels
2.0
7.2
Stereo power (RMS), W/Ohm
90/6
175/6
Output impedance, Ohm
6
6
Frequency response
10Hz-100KHz
10Hz-100KHz
THD in stereo, %
0.03
0.08
Audio features
Digital to analog converter (DAC)
192 KHz/24-bit
AK4458 384 KHz/32-bit
Bi-amping
Pure direct (straight)
Auto speaker calibration
AccuEQ
Speaker A/B switching
Other audio features
WRAT
Advanced Music Optimizer, Theater-Dimensional, Double Bass Function, Hi-Res audio
Connectivity
Wi-Fi
USB
0
1 (USB 2.0)
Bluetooth
Ethernet (RJ45)
1
DLNA
MHL
Streaming services
Apple Music (AirPlay)
AirPlay
AirPlay
Amazon Music
Spotify
Other streaming services
has not
Deezer, TuneIn Radio
Extensive connection
HDMI input/output
0/0
8/2
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)
HDCP 2.2
Subwoofer output (LFE)
1
2
Headphone output
1 x 6.3
1 x 6.3
Optical digital input
0
2
Coaxial digital input
0
1
Composite input
0
3
Component input/output
0/0
2/0
Phono (MM) input
Front panel connectors
phones
HDMI, phones, setup mic
Multi channel preamp output
Video features
HDR (High Dynamic Range)
4K signal pass-through
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 scaling
HDMI to HDMI scaling
Dolby Vision
Other video features
has not
DeepColor, x.v.Color
Additional features
Voice control
App control
iPhone, iPod
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
Other additional features
has not
has not
Multi-room
Multi-room zones
has not
2
Zone audio output
has not
speaker, preout
Zone HDMI output
has not
Multi-room control
has not
has not
RS-232
0
0
Remote control input/output (IR)
1/0
1/0
DC trigger output (12V)
0
0
Multichannel surround
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)
has not
Dolby Digital Plus
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
Ogg Vorbis
Power
Operational power consumption, W
180
710
Standby consumption, W
0.15
0.15
Removable power cord
Dimensions
Size W x H x D, cm/inches
43.5 x 15 x 32.8/ 17 x 6.5 x 13
43 x 17.4 x 41/17 x 6.7 x 14.6
Weight, kg/lbs
9.6/19.8
11.5/24.2
Other
Release year
2013
2015
AV receivers SoundInspiration comparison rating
- 4.2Onkyo TX-8020
- 7.2Onkyo TX-NR747
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