Pioneer VSX-831 Review and Specs
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Pioneer VSX-831 (Asian version)

SCORE:
77

Highlights

  • 5.2 channels
  • 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
  • HDR10, Dolby Vision, 4K Upscaling, 4K Passthrough
  • AirPlay, Chromecast
  • Ethernet, Wi-Fi, Bluetooth
  • USB and Phono inputs

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Pioneer VSX-831 Overview

Pioneer VSX-831 was introduced in 2017. It is equipped with 5 channel amplifier and is capable of 5.1 maximum channel processing.

We evaluated the Receiver and gave 77 overall score out of 100. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

AMPLIFIER
77
VIDEO FEATURES
92
AUDIO FEATURES
73
CONNECTIVITY
81
MULTIZONE
55
MISCELLANEOUS
48
RADIO
88
OVERALL
77

Amplifier score is based on power ratings, minimum impedance load, power supply, transformer type, total harmonic distortion, damping factor, signal to noise ratio and other small details. Audio score depends on the number of channels, front wide channel support, maximum channel processing, support of audio formats, DAC specifications, room calibration algorithm... Video score is based on HDR, Dolby Vision and video signal passthrough and upscaling, analog to HDMI upconversion. Connectivity score is defined from all wired and wireless inputs and outputs, internet and bluetooth connections, HEOS, SONOS and others. Multizone score depends on the number of zones with their outputs. Radio score is evaluated form digital radio support and analog tuner with its frequency range, signal to noise ratio, harmonic distortion...

Pros and Cons

In this section we present pros and cons of Pioneer VSX-831.

PROS
Bi-amp Capability πŸ‘
Dolby TrueHD πŸ‘
Dolby Digital Plus πŸ‘
Dolby Pro Logic πŸ‘
DTS Neo πŸ‘
DTS-HD Master Audio πŸ‘
DTS-HD High Resolution Audio πŸ‘
DTS 96/24 πŸ‘
DTS Express πŸ‘
High Resolution Music Playback via USB and/or Network πŸ‘
Gapless Playback πŸ‘
DSD via HDMI πŸ‘
DSD via USB πŸ‘
Sound Retriever πŸ‘
Compressed Music Enhancer πŸ‘
Auto Speaker Calibration System with Mic. πŸ‘
HDR10 πŸ‘
BT.2020 color space πŸ‘
Dolby Vision πŸ‘
3-D Ready πŸ‘
4K or 8K Video Passthrough πŸ‘
4K or 8K Signal Upscaling πŸ‘
Analog To HDMI Upconversion πŸ‘
FireConnect πŸ‘
Chromecast Built-In πŸ‘
Ethernet πŸ‘
Wi-Fi πŸ‘
Bluetooth πŸ‘
New HDCP Version πŸ‘
USB Input πŸ‘
Phono Input πŸ‘
Composite Video Inputs πŸ‘
Zones πŸ‘
Analog Tuner πŸ‘
Pandora πŸ‘
Spotify πŸ‘
New Bluetooth Version πŸ‘
CONS
Not Certified 4 Ω Performance πŸ‘Ž
Few Channel Processing πŸ‘Ž
No Dolby Atmos πŸ‘Ž
No Dolby Atmos Height Virtualization πŸ‘Ž
No Dolby Surround Upmixer πŸ‘Ž
No DTS:X πŸ‘Ž
No DTS Neural:X πŸ‘Ž
No DTS Virtual:X πŸ‘Ž
No IMAX Enhanced πŸ‘Ž
No Auro 3D with Auro-Matic Upmixer πŸ‘Ž
No Sound Retriever AIR πŸ‘Ž
No High-resolution Music Enhancer πŸ‘Ž
No HDR10+ πŸ‘Ž
No Hybrid Log Gamma (HLG) πŸ‘Ž
No DLNA 1.5 πŸ‘Ž
Does not Work with Amazon Alexa πŸ‘Ž
Does Not Work with SONOS πŸ‘Ž
No eARC πŸ‘Ž
Few HDMI Outputs πŸ‘Ž
Few Analog Audio Line Inputs πŸ‘Ž
No Component Video Inputs πŸ‘Ž
No Multi-Channel Input πŸ‘Ž
No Analog Pre-Outs πŸ‘Ž
No Tidal πŸ‘Ž
No Deezer πŸ‘Ž
No Napster πŸ‘Ž
No SiriusXM Internet Radio πŸ‘Ž

Major Changes from its predecessor

Here we are comparing Pioneer VSX-831 to its predecessor VSX-830-K and displaying the major changes.

UPGRADES Pioneer VSX-831 Pioneer VSX-830-K
BT.2020 color space βœ” βœ–
Dolby Vision βœ” βœ–
FireConnect βœ” βœ–
Chromecast Built-In βœ” βœ–
More Analog Audio Line Inputs 3 (1 front) 2
Phono Input βœ” βœ–
Analog Tuner βœ” FM/AM with RDS βœ” FM/AM
Higher DSD Sampling Rate via USB 5.6 MHz, 2.8 MHz 2.8 MHz
Wi-Fi Standard IEEE 802.11 a/b/g/n IEEE 802.11 b/g/n
Newer Bluetooth Version 4.1 + LE 2.1 + EDR

DOWNGRADES Pioneer VSX-831 Pioneer VSX-830-K
Sound Retriever βœ” Advanced (2-Channel) βœ” Advanced (Multi-Channel / Auto with ARC)
Sound Retriever AIR βœ– βœ”
MHL Input βœ– βœ” 1 Rear (Version 2.0)
DLNA 1.5 βœ– βœ”
Less Composite Video Outputs βœ– 1
Smaller Power Supply 390 W 450 W

For more detailed comparison between the models please visit Pioneer VSX-831 vs Pioneer VSX-830-K.

Selected Features

Amplifier

Pioneer VSX-831 has 5 channel amplifier and delivers 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).


Video Features

The Receiver has 4K passthrough up to 60p and 4K upscaling up to 30p.


Advanced Sound Retriever

Compressed music enhancement in Pioneer VSX-831 is done by Pioneer’s Advanced Sound Retriever. Hear the detail, warmth and clarity, the way the artist intended it, from all of your highly compressed MP3 and WMA files stored on USB, Smartphone and portable media players. By restoring data that tend to get lost in the digital compression process, Pioneers Advanced Sound Retriever Technology enhances audio reproduction all the way upto 20 Khz frequencies.


Room Correction

Pioneer VSX-831 comes with[y] MCACC room correction system and includes the calibration microphone.


Connectivity

Pioneer VSX-831 can be connected to internet using ethernet cable or built-in wi-fi adapter. It can also connect to bluetooth devices via built-in bluetooth adapter. The Receiver supports[y] AirPlay. It has 6 HDMI inputs and HDCP 2.2 copy protection. There is a phono input with built-in phono stage for connecting the cartridge output of the turntable directly to the Receiver.

Front panel has USB and Mini-Jack inputs.

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Detailed Specifications

Here we list all the available features and specifications of Pioneer VSX-831.

BASICS
BrandPioneer
ModelVSX-831
TypeA/V Receiver
CountryAsia
Release Year2017
AMPLIFIER
Channels5.2
Amplifier DesignDiscrete Direct Energy
THXβ„’ Certificationβœ–
Continuous 6 Ω Ratedβœ”
Certified 4 Ω Performanceβœ–
Bi-amp Capabilityβœ”
AUDIO
Digital Signal Processing (DSP) EngineCirrus Logic (Quad Core) x 1
DACAKM AK4458
Maximum Channel Processing5.1
Air Studios Monitor Certificationβœ–
Dolby Atmosβœ–
Dolby Atmos Height Virtualizationβœ–
Dolby TrueHDβœ”
Dolby Digital Plusβœ”
Dolby Surround Upmixerβœ–
Dolby Pro Logicβœ” PLII
Dolby Digital EXβœ–
Surround EXβœ–
DTS:Xβœ–
DTS Neural:Xβœ–
DTS Virtual:Xβœ–
DTS Neoβœ” Neo:6
DTS-HD Master Audioβœ”
DTS-HD High Resolution Audioβœ”
DTS 96/24βœ”
DTS Expressβœ”
DTS-ESβœ–
IMAX Enhancedβœ–
Auro 3D with Auro-Matic Upmixerβœ–
PCMβœ” 2-ch/Multi-ch Input
Music Playback via USBMP3, WMA, AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
High Resolution Music Playback via USB and/or Networkβœ” 64, 88.2, 96, 176.4, 192 kHz/24 bit
High Resolution Audio Formats via USBApple Lossless, WAV, FLAC, AIFF, DSD
Multi-Channel Music File Playback via USBβœ” up to 192 kHz/24 bit
Gapless Playbackβœ”
DSD via HDMIβœ” 2-ch/Multi-ch Input
DSD via USBβœ” 2-ch Input
DSD to PCM Converterβœ–
USB DACβœ–
Jitter Reductionβœ–
Auto Level Controlβœ”
Dialog Enhancementβœ–
Dialogue Liftβœ–
Sound Retrieverβœ” Advanced (2-Channel)
Sound Retriever AIRβœ–
Digital Noise Reductionβœ–
Tone Controlβœ” All Channels
Compressed Music Enhancerβœ” Advanced Sound Retriever
High-resolution Music Enhancerβœ–
Audyssey Dynamic EQβœ–
Audyssey Dynamic Volumeβœ–
Audyssey LFCβœ–
Audyssey Sub EQ HTβœ–
Audyssey DSXβœ–
Direct Modeβœ”
Pure Direct Modeβœ”
Auto Surroundβœ”
Optimum Surroundβœ–
Advanced Surround12
Wide Surroundβœ–
Front Stage Surround Advanceβœ”
Headphone Surroundβœ–
Virtual Speakersβœ–
Virtual Depthβœ–
Independent Dual Subwoofer Outputβœ–
CALIBRATION
Auto Speaker Calibration System with Mic.βœ” MCACC
Manual MCACCβœ”
MCACC Memory1
Phase Controlβœ”
Full Band Phase Controlβœ–
Standing Wave Controlβœ–
EQ Bands9-Band
Symmetric EQβœ”
X-Curveβœ”
Distance Adjustment0.1 feet
Precision Distanceβœ–
Polarity Checkβœ–
Auto Subwoofer Crossoverβœ”
VIDEO
HDR10βœ”
HDR10+βœ–
Dynamic HDRβœ–
BT.2020 color spaceβœ”
Dolby Visionβœ”
Hybrid Log Gamma (HLG)βœ–
Quick Media Switching (QMS)βœ–
Auto Low Latency Mode Pass-throughβœ–
Variable Refresh Rate (VRR)βœ–
Quick Frame Transport (QFT)βœ–
3-D Readyβœ”
Video Signal Passthroughup to 4K/60p (4:4:4 24-bit)
4K/60p (4:2:0 36-bit)
4K/24p (4:4:4 36-bit)
Video Signal Upscalingβœ” up to 4K
Analog To HDMI Upconversionβœ” Composite
Analog to Analog Video conversionβœ–
Stream Smootherβœ–
Pure Cinemaβœ–
Video Parameter Adjustmentsβœ–
Triple HD Noise Reductionβœ–
Super Resolutionβœ”
isf Certified Calibration Controlβœ–
CONNECTIVITY
MHL Inputβœ–
DLNA 1.5βœ–
FireConnectβœ”
FlareConnectβœ–
Chromecast Built-Inβœ”
DTS Play-Fiβœ–
Works with Amazon Alexaβœ–
Works with SONOSβœ–
AirPlayβœ” AirPlay
Apple Product Connectionβœ” iPod, iPhone and iPad (Airplay only)
Remote Appβœ” iControlAV5 (for iOS and Android)
InstaPrevue Input Source Prevueβœ–
Ethernetβœ”
Ethernet Switchβœ–
Wi-Fiβœ”
Bluetoothβœ”
HDBaseT Compatibleβœ–
Enhanced ARCβœ–
HDCP Version2.2
HDMI Input6
HDMI Output1
USB Input1 Front
USB DC Out Portβœ–
Analog Audio Line Input3 (1 front)
Analog Audio Line Outputβœ–
Phono Inputβœ”
Optical In1
Optical Outβœ–
Coaxial In/Out1 / βœ–
Composite Video Input2
Composite Video Outputβœ–
S-Video Inputβœ–
S-Video Outputβœ–
Component Video Inputβœ–
Component Video Outputβœ–
PC Inβœ–
Multi-Channel Inputβœ–
Analog Pre-Outs0.2
XLR Inputsβœ–
XLR Pre-outsβœ–
Front A/V InputsUSB, Mini-Jack
Speaker A/Bβœ–
Headphone Outβœ” 6.3 mm
ZONES
Zones1
RS-232βœ–
+12V Trigger Outputβœ–
Remote (IR) Input/Output0 / 0
MISC
On-Screen DisplayIcon-based Graphical User Interface (GUI)
AVNavigatorβœ–
IP Control for CIβœ–
PreAmp Modeβœ–
Versatile Speaker Configurationβœ–
FL Dimmerβœ”
Function Renameβœ”
Remote Controllerβœ”
Detachable Power Cordβœ–
adapterportβœ–
RADIO
Analog Tunerβœ” FM/AM with RDS
Presets40
Digital Radioβœ–
Internet Radioβœ” TuneIn
Pandoraβœ”
Spotifyβœ”
Tidalβœ–
Deezerβœ–
Napsterβœ–
SiriusXM Internet Radioβœ–
CONSTRUCTION
Front PanelBrushed
Solid Aluminum Frontβœ–
Speaker Terminals5
Large Speaker Terminals5
Color-Coded Speaker Terminalsβœ–
Transparent High-Grade Speaker Terminalsβœ–
Ceramic Speaker Terminalsβœ–
3D Space Frame Constructionβœ–
Gold plated RCA terminalsβœ–
POWER
Power SupplyAC 220-240 V, 50/60 Hz
Low Leakage Flux Power Transformerβœ–
Transformer Stabilizerβœ–
Power Consumption390 W
No Sound Power45 W
Standby Power0.15 W
GENERAL
Auto Power offβœ”
Dimensions (W x H x D)435 mm x 173 mm x 370.5 mm
17-1/8" x 6-13/16" x 14-9/16"
Weight9.2 kg (20.3 lbs)
Warranty1 Year Parts & Labor
SPECS
Power Output (8 Ω, 20 Hz - 20 kHz, 280 W (0.08% THD)
Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)140 W (1% THD)
Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA)160 W (10% THD)
Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)130 W (1% THD)
Dynamic Power per Channel (3 Ω, Front)160 W
Dynamic Power per Channel (4 Ω, Front)125 W
Dynamic Power per Channel (8 Ω, Front)85 W
Input Sensitivity and Impedance (Line)200 mV/47 kΩ
Input Sensitivity and Impedance (Phono MM)3.5 mV/47 kΩ
Rated Headphone Jack Output Level and Impedance330 Ω
Rated Headphone Power Output85 mW (32 Ω, 1 kHz, 10% THD)
Phono Overload70 mV (MM, 1 kHz, 0.5%)
S/N Ratio (Line, IHF-A)106 dB
S/N Ratio (Phono MM, IHF-A)80 dB
Frequency Response (Analog In)10 Hz - 100 kHz/+1 dB, -3 dB (Pure Direct)
DSD Sampling Rates via HDMI2.8 MHz
DSD Sampling Rates via USB5.6 MHz, 2.8 MHz
Video Input Sensitivity/Output Level and Impedance1 Vp-p/75 Ω (Composite)
Ethernet Standard10BASE-T/100BASE-TX
Wi-Fi StandardIEEE 802.11 a/b/g/n
Wi-Fi Terminal FrequencyDual band 2.4 GHz, 5 GHz
Bluetooth Version4.1 + LE
Bluetooth Frequency2.4 GHz
HDMI TerminalType A (19-pin)
HDMI Output Type5 V, 55 mA
USB TerminalUSB2.0 (Type A) 5 V, 1 A
Extension Terminalβœ–
FM Frequency87.5 MHz - 108.0 MHz
AM Frequency522/530 kHz - 1611/1710 kHz

* - 480i/576i and 480p/576p only
** - 480i/576i only
*** - no 1080p/24 upconversion
**** - 1080p signal is not converted

Successor

In 2017 Pioneer VSX-831 was replaced by VSX-832. Let us now have a look at some important changes that the successor brought.


UPGRADES Pioneer VSX-832 Pioneer VSX-831
Certified 4 Ω Performance βœ” βœ–
Dolby Atmos βœ” βœ–
Dolby Surround Upmixer βœ” βœ–
DTS:X βœ” βœ–
DTS Neural:X βœ” βœ–
HLG βœ” βœ–
FlareConnect βœ” βœ–
DTS Play-Fi βœ” βœ–
USB Input 2 (1 Front) 1 Front
Tidal βœ” βœ–
Deezer βœ” βœ–
Bigger Power Supply 400 W 390 W

DOWNGRADES Pioneer VSX-832 Pioneer VSX-831
Less Channels 5.1 5.2
Bi-amp capability βœ– βœ”
Video Signal Upscaling βœ” 1080p to 4K βœ” up to 4K
FireConnect βœ– βœ”
Less HDMI Inputs 4 6
Phono Input βœ– βœ”
Pandora βœ– βœ”

For more detailed comparison between the models please visit Pioneer VSX-832 vs Pioneer VSX-831.

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