Onkyo TX-NR555 vs Onkyo TX-8260 review
It makes sense comparing Onkyo TX-NR555 vs Onkyo TX-8260 because they both are able to give some premium features.
Amplifier
A significant difference between the receivers in the number of channels, Onkyo TX-NR555 has 7.2 versus 2.0 for Onkyo TX-8260. Regarding power, then TX-NR555 has such a W/Ohm ratio - 130/6 when TX-8260 has a power of 80/8, 160/6. The THD is 0.08% for the TX-NR555 but 0.09% for the TX-8260.
Audio features
Characteristics of digital to analog converter (DAC) are different, Hi-Grade 384 KHz/32-bit for TX-NR555 and AK4452 384 KHz/32-bit for the TX-8260. Only the TX-NR555 supports Bi-amping feature. The Onkyo TX-NR555 can transmit an audio signal directly to the amplifier and bypasses any DSP processing. Rivals from our review have Bluetooth support. The Apple Music service is implemented on considered devices: AirPlay. Spotify can be used on each receiver. The TX-NR555 can work with the audio stream from Deezer, TIDAL, Pandora, and the TX-8260 can receive a content from TIDAL, Pandora, TuneIn Radio.
Video features
Only the Onkyo TX-NR555 has support for High dynamic range (HDR). Only the TX-NR555 provides HDMI signal transmission in standby mode. Both competitors are not able to scale the HDMI signal. The HDR standard - Dolby Vision is not supported by these receivers. Only the TX-NR555 supports HDMI Audio Return Channel (ARC). Unfortunately, HDMI eARC is not available on monitored devices. Of the two receivers in our comparison, HDMI CEC is present in only the TX-NR555. These compared receivers have a built-in phono stage for connecting a vinyl player.
Additional features
Each of the AV receivers from our review supports 2 Multi-room zones. A voice control is not available. An ECO mode is only available for the TX-NR555. Unfortunately, the setup assistant is not available in each of the models.
Multichannel surround
Only the TX-NR555 has a Dolby Atmos multichannel audio format support. A surround technology DTS:X is supported only by the TX-NR555.
General
Item
Model
Brand
Reviews
Amplifier
Channels
Stereo power (RMS), W/Ohm
Output impedance, Ohm
Frequency response
THD in stereo, %
Audio features
Digital to analog converter (DAC)
Bi-amping
Pure direct (straight)
Auto speaker calibration
Speaker A/B switching
Other audio features
Connectivity
Wi-Fi
USB
Bluetooth
Ethernet (RJ45)
DLNA
MHL
Streaming services
Apple Music (AirPlay)
Amazon Music
Spotify
Other streaming services
Extensive connection
HDMI input/output
HDMI ARC (Audio Return Channel)
HDMI eARC (Enhanced Audio Return Channel)
HDMI CEC
Digital content protection (HDCP)
Subwoofer output (LFE)
Headphone output
Optical digital input
Coaxial digital input
Composite input
Component input/output
Phono (MM) input
Front panel connectors
Multi channel preamp output
Video features
HDR (High Dynamic Range)
4K signal pass-through
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
Additional features
Voice control
App control
Display
Tuner
Sleep timer
Auto power off
ECO mode
Graphical user interface (GUI)
Setup assistant
Firmware update
Other additional features
Multi-room
Multi-room zones
Zone audio output
Zone HDMI output
Multi-room control
RS-232
Remote control input/output (IR)
DC trigger output (12V)
Multichannel surround
Dolby Atmos
Dolby TrueHD
Dolby Surround
Dolby (other)
DTS:X
DTS HD Master
DTS Virtual:X
DTS Neural:X
DTS (other)
Auro-3D
IMAX Enhanced
Multichannel stereo
Audio file formats
MP3
WMA
AAC
WAV
FLAC
ALAC
Other audio file formats
Power
Operational power consumption, W
Standby consumption, W
Removable power cord
Dimensions
Size W x H x D, cm/inches
Weight, kg/lbs
Other
Release year
AV receivers SoundInspiration comparison rating
- 7Onkyo TX-NR555
- 6Onkyo TX-8260
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