Pioneer VSX-831 5.2 Channel Network A/V Receiver with Bluetooth and Wi-Fi

Model: VSX-831-K UPC: 889951000044 Item: 166582

Product Information

5.2-Channel AV Receiver with MCACC®, built-in Bluetooth® and Wi-Fi®

  • Full Bandwidth HDMI (4K UltraHD 60P/4:4:4) and HDCP 2.2
  • Built-in Wi-Fi® and Bluetooth® Wireless Technology
  • 140 watts/channel amplifier
  • Pioneer’s exclusive audio calibration system: MCACC

Crank Up Your Audio Experience

Introducing an advanced level of home audio enjoyment from Pioneer, the VSX-831 AV Receiver. Incorporating a new array of innovative technology, the VSX-831 features Pioneer’s unique automatic sound adjustment process, Multi-Channel Acoustic Calibration System (MCACC)i for in-room fine-tuning. Connect to all your favorite music connect to all your favorite music sources with support for the latest dual band Wi-Fi network connection to stream Google Cast®ii, TuneIn®, Deezer® or TIDAL. The new 384kHz/32 bit DAC and support for a new Multi-room Audio capability allows sources connected to the AV receiver to be played back on additional speakers in different rooms.

Fell the Power of the Music

Pioneer upgraded the VSX-831 with a robust 5.2-channel receiver featuring a 140 watt/channel (6 ohms, 1 kHz, THD 1.0 %, 1ch Driven) to ensure you have the ultimate musical experience.

Amp Up the Low End

As an innovative solution for phase lag between the subwoofer and main L+R speakers, Phase Control compensates for delayed bass to improve sound synchronization. As a result, it makes LFE more dynamic and achieves clear reproduction of sound in the mid and high frequency bands.


With a high-grade 384kHz/32bit DAC (digital to analog convert AK4458) produced by AKM, the VSX-831 delivers clear, delicate audio reproduction provided by the unique digital filter that achieves extremely low distortion.

MCACC®—The Ideal Acoustic Environment for Surround Sound

Pioneer’s MCACC (Multi-Channel Acoustic Calibration System), helps you create the optimum acoustic environment in any room in the house. Developed with the expertise of professional recording studios, MCACC lets you create the ideal acoustic environment. With a custom microphone, the system automatically compensates for differences in speaker size, level and distance, and equalizes response. Whether you’re watching the latest Hollywood blockbuster or enjoying high-resolution music, MCACC will make sure your home theater sounds its best.

Join the Wireless Revolution

Built-in Dual Band Wi-Fi and Bluetooth wireless technology

The VSX-831 lets you enjoy music wirelessly from iPhone®, BlackBerry®, AndroidTM, PC, laptop or any other compatible sources via built-in Wi-Fi and Bluetooth technology. With two antennas providing Dual Band Wi-Fi (2.4GHz and 5GHz), you have a much greater network range and throughput.

Google Cast

Included for the very first time in a Pioneer AV Receiver, the VSX-831 now features Google Cast, the underlying technology behind Chromecast. Use your mobile device to play back your favorite music, radio or podcasts through the VSX-831-controlling the audio from anywhere in the house by using Cast-enabled apps available for iPhone, iPad, Android phones and tablets, Mac and Windows PCs and Chromebook.

Multi-room Audio

FireConnect ™ Powered by Blackfire allows you to play any audio source connected to the receiver—from vinyl to streaming audio—wirelessly to a FireConnect compatible speaker placed anywhere in the home. Stable, fast, and easily controlled, it’s the smart way to set audio free.

UltraHD (4K) AND HDR Compatibility

The VSX-831 supports full bandwidth HDMI 4K/60p/4:4:4 24-bit video signal transmission with HDCP 2.2 (High-bandwidth Digital Copy Protection) technology, ensuring compatibility with the many upcoming UltraHD (4K) sources and televisions sets, ready for the next generation HDR (High Dynamic Range) and BT.2020 video standards. Super Resolution’ Ultra-high-resolution 4K upscaling technologies have been incorporated to upscale ‘standard’ HD-quality content to the quality of a 4K video signal.

Support for the Latest Codecs

Hi-Res Audio Support

Now that the Hi-Res audio revolution is becoming more mainstream, the VSX-831 now supports the emerging standards including: 192kHz / 24-bit high-resolution FLAC, WAV, AIFF and Apple lossless file formats as well as DSD (2.8/5.6MHz) *8 files.

Uncompressed HD audio

VSX-831 supports a wide range of high-definition audio formats including Dolby® TrueHD® and DTS-HD® to ensure you get the audio experience the way the artist intended.

VSX-831 Features


  • Channels: 5
  • Amplification Type: Direct Energy
  • 140 W/ch (6 ohms, 1 kHz, THD 0.9 %, 1ch Driven FTC)
  • 80 W/ch (8 ohms, 20 Hz-20 kHz, THD 0.08 %, 2ch Driven FTC)

Audio Features

  • Dolby® TrueHD/Dolby Digital Plus/Dolby Pro Logic II
  • DTS-HD® Master Audio/DTS-HD High Resolution Audio/DTS 96/24/DTS-HD Express/DTS Neo:6 5.1
  • DSD Playback via Network/USB (5.6 MHz/2ch 2.8 MHz/2ch)
  • DSD Disc (SACD) Playback via HDMI (2.8 MHz/5.1ch, 2ch)
  • Digital Core Engine with Cirrus Logic (Quad Core) x1
  • 384 kHz/32-bit DAC (AK4458)
  • HDMI Audio Return Channel (ARC)
  • MCACC Auto Room Tuning
    • Phase Control (Compensates the delayed bass to improve sound synchronization)
    • Subwoofer EQ (4 Band)
  • Advanced Sound Retriever (2ch)
  • Advanced Surround Modes
  • Classical, Unplugged, Entertainment Show, Drama, Advanced Game, Action, Rock/Pop, Sports, Extended Stereo, Extended Mono, Front Stage Surround, Auto Surround

Video Features

  • Ultra HD Pass-through with HDCP 2.2 (4K/60p/4:4:4/24-bit, 4K/24p/4:4:4/36-bit, 4K/60p/4:2:0/36-bit)
  • HDR and BT.2020 Support
  • Ultra HD Upscaling (1080p 4K)
  • 3D Ready (Blu-ray Disc™, Broadcast, and Games)
  • Deep Color (36-bit), “x.v.Color”

Home Network Features

  • Google Cast
  • Apple® AirPlay® Certified
  • Pandora®
  • Spotify® Digital Music-Streaming Service Ready
  • Internet radio with TuneIn®
  • TIDAL Music Streaming Service Ready
  • FireConnect™ powered by Blackfire Research (Wireless protocol that mirrors audio sources connected to FireConnect enabled receivers with future firmware update)
  • Hi-Res Audio File Playback via USB/Wired Network
    • Up to 192 kHz/24-bit ALAC, AIFF, FLAC, WAV
    • 5.6/2.8 MHz DSD Playback
    • Dolby® TrueHD Playback

Convenience Features

  • Built-in Wi-Fi® (Dual Band 5 GHz/2.4 GHz)
  • Built-in Bluetooth® Wireless Technology (Version: 4.1, Profile: A2DP/AVRCP, Codec: SBC/AAC)
  • iControlAV5 Remote Control App Ready (iOS/Android)
  • New GUI with System/Network Setup Menu
  • Auto Power Off in HDMI Standby Through
  • AM/FM Tuner 40 Presets
  • Sleep Timer
  • New User-Friendly Simple Remote Control

Front Terminals

  • USB 1 In for USB Drive
  • MCACC Setup MIC In
  • Audio 1 In (Mini Stereo Jack)
  • Phones 1 Out

Rear Terminals

  • HDMI 6 In (4 Assignable)
  • HDMI 1 Out
  • Ethernet 1 In
  • AV (Composite) 2 In (Assignable)
  • Audio 2 In (Assignable)
  • Phono (MM) 1 In
  • Digital Coaxial 1 In (Assignable)
  • Digital Optical 1 In (Assignable)
  • Subwoofer 2 Pre Out
  • Speaker 5 ch Out (FRONT, CENTER,SURROUND)
  • FM/AM Antenna


VSX-831 Specifications


Amplifier Design

  • Discrete Direct Energy


  • 5.2

Power Output: Watts per Channel

  • (20Hz-20kHz,.08%THD@8ohm 2ch Driven) 80 Watts
  • (1kHz,1%THD@6ohm 1ch Driven) 140 Watts

Estimated Power Consumption/Standby with HDMI Control off

  • 380 W/0.1 W (standby)

Handheld and Internet


  • Yes

HTC Connect     

  • No

Made for iPhone and iPod

  • AirPlay Only

iOS/Android Remote Control APP

  • iControlAV5

Google Cast

  • Yes (with future firmware update)

TIDAL Music Streaming Service Ready

  • Yes (with future firmware update)

Streaming Audio From PC/Network

  • Yes

Pandora Internet Radio

  • Yes

Internet Radio

  • TuneIn Radio

Decoders & Formats

Digital Core DSP Engine

  • Cirrus Logic (Quad Core) x1

Audio DACs

  • 384 kHz/32Bit (AK4458)

Audio Processing

  • 32Bit

iPod Digital Audio

  • N/A

Music File Playback

  • MP3, WMA, AAC, Apple Lossless*, WAV*, FLAC*, AIFF, DSD via USB and Network (*up to 192kHz/24-bit)

High-Definition Copy Protection

  • (HDCP) 2.2

Dolby Atmos

  • No

Dolby TrueHD

  • Yes

Dolby Digital Plus

  • Yes


  • No

DTS-HD Master Audio

  • Yes

DTS Neural:X

  • No


  • No

HDMI SACD Transfer

  • Multi-Channel

Soundfield Calibration

Phase Control

  • Yes


  • Yes

MCACC Memory

  • 1

Standing Wave Control

  • No

EQ Bands

  • 9-Band

Symmetric EQ

  • Yes


  • Yes

Distance Adjustment

  • 0.1 feet

Polarity Check

  • No

Auto Subwoofer Crossover

  • Yes

Listening Modes

Auto Surround

  • Yes

Stream Direct

  • Yes (Direct, Pure Direct)

Advanced Surround

  • 12

Wide Surround

  • N/A

Front Stage Surround Advance

  • Yes

Headphone Surround   

  • No

Virtual Speakers

  • No

Audio Features

Dialog Enhancement

  • No

Advanced Sound Retriever

  • Yes

DSD Music File

  • 2ch(2.8MHz / 5.6MHz)

Sound Retriever AIR

  • No

Digital Noise Reduction

  • N/A

Tone Control

  • Multi

Sound Delay (Lip Sync)

  • 500 ms @ 48k
  • 400 ms @ 96k
  • 200 ms @ 192k

Speaker A/B

  • No


  • Yes

Video Processing

4K Ultra HD Pass-Through

  • Yes

4K Ultra HD Video Scaler

  • Yes (1080p to 4K)

3-D Ready

  • Yes

Audio Return Channel

  • Yes

HDMI Standby Through

  • Yes with Input Switch / Last Memory

HDMI 36-bit Deep Color

  • Yes

HDMI x.v. Color

  • Yes

Video Processor              

  • N/A

Video Converter to HDMI

  • N/A

HDMI to HDMI Video Scaler

  • 4K Ultra HD (for 1080p)

Component Video Scaler

  • N/A

Composite Video Scaler

  • N/A

Pure Cinema I/P Converter

  • N/A

Advanced Video Adjustment

  • N/A

3D Noise Reduction       

  • N/A

Super Resolution

  • Yes


HDMI Input / Output

  • 7 In (6 Rear, 1 Front) / 1 Out

MHL 2  

  • No

Wi-Fi Built-In

  • Yes (5GHz/2.4GHz)

Bluetooth Built-In

  • Yes

Wireless Adapter Port

  • No

Bluetooth Adapter Port

  • No

Component Video Input / Output

  • N/A

Composite A/V Input / Output

  • 2 In

iPhone / iPod / USB Memory Input

  • USB Memory

USB Terminal

  • Front USB

Ethernet Input

  • Yes

Analog Audio Inputs / Output

  • 3 In

Digital Audio Inputs / Output

  • 2 In (Optical 1, Coaxial1)

Pre-Amp Output

  • 0.2 ch

Headphone Output

  • Yes

Front A/V Inputs

  • USB

AM/FM Presets

  • 40


On-Screen Display

  • Icon-based Graphical User Interface (GUI)

Auto Power Down

  • Yes

Multi-Room and Source Output

  • N/A

IR Serial Remote In/Out

  • No

Multi-Zone On-Screen Display

  • No

FL Dimmer

  • Yes

Function Rename

  • Yes


  • Yes

Sleep Timer

  • Yes


Front Panel

  • Brushed

Speaker Terminals

  • 5 Large


  • 1 Year Parts & Labor


W x H x D (inches)

  • 17.1 x 9.8 x 14.3 (Wi-Fi Antenna's Up)
  • 17.1 x 6.8 x 14.6


  • 19.8 lbs

What's in the Box

What's In the Box

  • (1) Pioneer VSX-831 A/V Receiver
  • Remote control (RC-914R)
  • Batteries (AAA/R03)
  • Indoor FM Antenna
  • AM Loop Antenna
  • Speaker Setup Microphone