Onkyo TX-NR646 vs Pioneer SC-LX801

Onkyo TX-NR646

Onkyo TX-NR646 review

May 20, 2019

Amazing Dolby Atmos sound for a great price – that’s what Onkyo TX-NR646 is about. 4 Built-in decoders, recognition of 7 audio formats and ability to control the receiver remotely makes O...

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Pioneer SC-LX801

Pioneer SC-LX801 review

Oct 01, 2018

Several days ago, I got an opportunity to test one of the most popular A/V receivers right now — Pioneer SC-LX801. At the first glance, Pioneer SC-LX801 is a great and reliable receiver that ca...

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Rating 5 5

Common

Product

Onkyo TX-NR646
Pioneer SC-LX801

Model

TX-NR646
SC-LX801

Brand

Onkyo
Pioneer

Rating

3.6 of 5
4.1 of 5

Reviews

399
95

Amplifier

Total output power

580 W
810 W

Output power per channel

100 W, 170 W
140 W, 200 W, 255 W

Output impedance per channel

6 Ohm, 8 Ohm
4 Ohm, 6 Ohm, 8 Ohm

Frequency response

20 Hz-20 kHz
20 Hz-20 kHz

Total harmonic distortion

0.08 %
0.08 %

Number of channels

7
9

Signal-to-noise ratio

106 dB
108 dB

Functions

Digital player

Internet radio

Network audio player

Audio formats

AAC

AIFF

Apple lossless

FLAC

MP3

WAV

WMA

Built-in decoders

DTS:X

Dolby Atmos

Dolby digital plus

Dolby surround

Dolby true HD

Built-in display

Type

fluorescent
fluorescent

Colour

black
black

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

Analog to HDMI up conversion
HDMI to HDMI scaling, analog to HDMI up conversion

3D pass-through

has not

Upscaling via HDMI

has not
up to 4K

Connector type

AV inputs

2
4

Optical digital inputs

2
3

Coaxial digital inputs

1
2

HDMI inputs

8
8

HDMI outputs

2
2

Optical digital outputs

has not
has not

Coaxial digital outputs

has not
has not

Subwoofer outputs

2
2

USB

1
2

Phones

1
1

Media content source

Bluetooth

Network

USB-host

Radio

Tuner type

digital
digital

Tuner bands

AM/FM
AM/FM

Preset station

40
40

Additional features

A-B speaker switch

Three-zone capability

Advanced sound retriever (ASR) technology

Apple air-play support

Audio return channel (ARC)

Bi-amplifying

Auto power off

Pure direct mode

Dual-zone capability

Smartphone remote control

Sound features

Audio D/A converter

32bit / 384kHz
32bit / 192kHz

Surround sound effects

Theater-Dimensional Virtual Surround
Front Stage Surround Advance

Surround system class

7.2 channel
9.2 channel

Digital content protection

has not
HDCP 2.2

Clock

Built-in clock

Sleep timer

has not

Power device

Operational power consumption

360 W
320 W

Standby power consumption

0.1 W
0.15 W

User manual

Manual

Dimensions

Dimensions

12.9 x 17.1 x 6.8 inches
7.4 x 17.1 x 7.3 inches

Weight

20.7 pounds
38.5 pounds
Onkyo TX-NR646
Pioneer SC-LX801
Onkyo TX-NR646
Pioneer SC-LX801

AV receivers HelpToChoose comparison rating

  • better
  • worse
  • 19.8
  • 26.3
  • 19.8Onkyo TX-NR646
  • 26.3Pioneer SC-LX801

The Pioneer SC-LX801 is better receiver in this comparison. Check Pioneer SC-LX801 price