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Item#: N82E16882117397

Pioneer VSX-821-K 5.1-Channel 3D Ready A/V Receiver

  • Compatible w/ iPod, iPhone and iPad
  • Bluetooth® Compatible
  • HDMI (4 In / 1 Out)
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For those looking for exceptional audio and video quality, your receiver is ready. Introducing the Pioneer VSX-821 AV Receiver. Streamlined and beautiful, the Pioneer VSX-821 delivers amazing home theater performance at an unrivaled value. And with Apple-compatibility, not only will it enhance your home theater experience, it will expand the possibilities of where that experience can come from. Turn it on and listen to the future of sound -- a future that takes you exactly where you want to go: closer than ever before to what the artist intended.

  • newegg Digital Direct connection with your iPod, iPhone or iPad The VSX-821-K is compatible with iPod, iPhone, and now iPad devices and is specifically designed to enhance the experience you get from them. Right out of the box, your receiver comes with a USB/video cable, so there's no need to buy a separate dock to access all your music, videos, streaming content, and photos stored on your Apple devices.
  • newegg Portable Device - Meet Home Theater The VSX-821-K is fully ready for wireless Bluetooth audio from virtually any A2DP profile Bluetooth device, including smartphones, laptops, etc. With the optional Pioneer AS-BT200 Bluetooth adapter (sold separately), you can unleash yourself from headphones, cables and inputs. And you'll enjoy near CD-quality with Sound Retriever AIR technology, created specifically to enhance Bluetooth audio.
  • newegg Ready for 3D All of Pioneer's newest receivers support the latest HDMI specification. So not only do you get the most out of your existing movies and music, with the VSX-821-K you're prepared for the next generation of 3D video content. With 4 HDMI inputs, you've got plenty of connectivity options for the growing number of high-definition sources available. All Pioneer receivers also offer advanced HDMI conveniences like Audio Return Channel and Power Save HDMI Standby Through.
  • newegg True-to-Life, High-Definition Audio and New Dolby Pro Logic IIz Of course all the latest Pioneer receivers support high-definition audio formats like Dolby TrueHD and DTS-HD Audio to give your Blu-ray Disc movies a soundtrack unsurpassed audio quality. But Pioneer also includes all of the Dolby and DTS surround formats best suited for the wide variety of entertainment sources, including the newest Dolby Pro Logic IIz height channel.
  • newegg Ultimate Sound Control Pioneer's exclusive Multi-Channel Acoustic Calibration system (MCACC) provides a near studio-quality, multi-channel listening experience customized specifically to your listening environment - just sit back and let MCACC do the work. Even compressed audio such as WMA, MP3 and AAC is enhanced with another Pioneer exclusive, Advanced Sound Retriever, by filling in areas where minute details were left out during the compression process. Additionally, the Auto Level Control feature can equalize volume level differences between tracks playing from an iPhone or iPod or during television programming so the volume can be enjoyed at a consistent level--no more jarring "blare" when switching audio sources.

Learn more about the Pioneer VSX-821-K




Power Output
Power Output Per Channel (20Hz-20kHz,.08%THD@8ohm): 80W

Power Output Per Channel (1kHz@8ohm): 110W

Power Output Per Channel (1kHz@6ohm): 125W
iPod Digital Audio

Dolby True HD

Dolby Digital Plus

Dolby Pro-Logic Iiz

DTS-HD Master Audio
D/A Converter
Audio D/A Conversions: 192K/24-Bit
Speaker Switching
Speaker A/B
DSD to PCM Converter: 2 Channel

Auto Level Control: 2 Channel

Advanced Sound Retriever: 2 Channel

Sound Retriever AIR: Yes

Midnight Listening: Yes

Loudness: Yes

Tone Control: 2 Channel

Sound Delay (Lip Sync): Yes (9 Frames)
3-D Ready: Yes

Audio Return Channel: Yes

HDMI Standby Through: Yes

HDMI 36-bit Deep Color: Yes

HDMI x.v. Color: Yes


FM/AM Tuner
30 Preset AM / FM Tunner
Satellite Radio Ready


4 In / 1 Out
Component Video
2 In
Headphone Jack
Pre-Amp Out
2.1 Ch (SW, SB/FH)
USB Port
Optional AS-BT200 or AS-BT100
iPod Compatibility
5th gen. Nano and Above
Other Connectors
Composite A/V Input / Output: 5 In (Front 1, Rear 4) / 1 out

Analog Audio Inputs / Output: 2 In / 1 Out

Digital Audio: 3 In

Large Speaker Terminals: 7


Remote Control
Preset Remote Control
On Screen Display
Analog OSD
Other Specifications
Supported Apple Devices: 5th gen. Nano and Above / iPhone, 3G, 3GS, 4, iPad

Supplied iPod/iPhone/iPad A/V Cable: USB + Composite Video

Digital Core DSP Engine: Texas Instruments Aureus

HDMI SACD Transfer: 2 Channel

EQ Bands: 5

MCACC Memory: 1

Distance Adjustment: 0.1 Feet

Surround Modes: 9+1 Mode DPS

Sleep Timer: 30, 60, 90 min.


Direct Energy Design

Made for iPod Certified

Made for iPhone Certified

Made for iPad Certified

Battery Charger for iPod Nano 5th gen. and Above / iPhone, 3G, 3GS, 4, iPad

iTunes Movie / TV / Video Playback

YouTube Video Playback

Android Audio Playback via USB

Phase Control


Symmetric EQ

Auto Surround

Stream Direct (Direct, Pure Direct)

Front Stage Surround Advance

Headphone Surround

Dimensions & Weight

17.16" x 6.6" x 14.27" (W x H x D)
20.24 lbs.

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Pioneer VSX-821-K

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  • Anonymous
  • 11/16/2014 6:28:46 PM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year


Pros: When it worked, it provided good sound

Cons: Same problem as everyone else. UNIT JUST STOPPED POWERING ON. I took immaculate care of this unit and only lightly used this as the center of my home theater system. One of the HDMI input channels stopped working a few months in so I had to switch my inputs to another channel.. no biggie. Then one day I turned the unit off as normal, and the next day tried to turn it on and it was completely unresponsive.

Other Thoughts: Opened it up to look for a blown fuse and could not find an obvious fix. Searched online and it seems like it's going to cost way more than it's worth. Now looking for another receiver, and I'M GOING TO STAY AWAY FROM PIONEER THIS TIME. I WISH I NEVER GAVE THEM A CHANCE.

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  • William F.
  • 9/11/2014 10:31:03 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner


Pros: while it worked I thought it was a nice receiver, especially for the price. Unfortunately that was somewhat short lived.

Cons: After a year and a half the receiver does not turn on, it's a known issue with the VSX series, not just the 821, and it seems to be carried over to the newer versions 822, etc. The issue in most all cases I've seen online is the Amp board. while the board level components can be had for under 20 bucks to fix, or about 80 dollars for a replacement board delivered from Pioneer. bottom line is I had mine looked at by a reputable shot and was quoted 110 dollars to repair, which is 70% of what I paid on clearance for the unit. Add to that the as I walked in the door he know what it was and said that Pioneer is not what it used to be and that most newer receivers had a high failure rate and that it would likely fail again post repair at some point. Also seems they share some common componentry with other brands as they are assembled in the same factory in china.

Other Thoughts: I would stay far away from any Pioneer receivers, seems quality and customer satisfaction has given way to the cheaper is better and toss it when it breaks mentality (planned obsolescence). what a shame too, had a pioneer head unit in my 96 Saturn back in the day and that thing was awesome.

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  • Claudia C.
  • 2/7/2014 12:01:46 AM
  • Tech Level: Low
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsPioneer VSX-821-K 5.1-Channel 3D Ready A/V Receiver Model#: VSX-821-K Item#: N82E16882117397 is JUNK YOU GUYS SELL JUNK

Pros: Pioneer VSX-821-K 5.1-Channel 3D Ready A/V Receiver
Model#: VSX-821-K
Item#: N82E16882117397

Cons: its gonna cost more to fix ... so i might as well buy a new one but it wont b from here unless u send me a new on and i can send u this pice of JUNKback

Other Thoughts: Pioneer VSX-821-K 5.1-Channel 3D Ready A/V Receiver
Model#: VSX-821-K
Item#: N82E16882117397

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  • DAVID H.
  • 1/21/2014 12:50:16 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

3 out of 5 eggsGood sound and functional

Pros: Great sound,connecyion options, DLNA worked and excelent picture quality to my Vivio XVT. Helpfull costomer service from Pioneer.

Cons: No built in wifi, No settings menu through HDMI and HDMI output quit in less than a year. In their defense Pioneer replaced it through their service center with a newer model that I am pleased with.

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  • Jesse N.
  • 12/10/2013 10:04:39 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsDecent While it Worked

Pros: Worked as stated.

Cons: Turned off one night as I was going to bed... first time i had used the remote to turn unit off. Never turned back on using remote or front panel.

Other Thoughts: good for 1 yr and 8 months....

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  • Myrna U.
  • 10/28/2013 9:20:17 AM
  • Tech Level: Average
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggsLasted only 1 year 6 mo

Pros: Great performing speaker when it works...

Cons: Died a year and 6 months later

Other Thoughts: Very disappointed with the reliability of this receiver, will not be buying another pioneer again.

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  • thomas d.
  • 10/10/2013 12:23:13 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggs

Pros: awesome receiver for the price. does everything I want it to.

Cons: It just quit on me today. won't power on at all. I take very good care of it.

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  • Ramon S.
  • 5/5/2013 6:05:38 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

2 out of 5 eggs good while it lasts

Pros: Awesome device. Clean sound. Tons of features. Looks nice in a rack.

Cons: It died after one year of light use. Turned it off one day and the next day it wouldn't come back on. There was no power surge, no overheating, nothing. I can't explain it and I don't want to get ripped off by taking it to a service center.

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  • Benjamin B.
  • 12/12/2012 1:06:14 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggs

Pros: It has a ton of connectors in the back allowing you to easily run all of you components through the system. It works great and I haven't had any problems with it.

Cons: The video output to set up the receiver is AV only. Its not a huge problem but it is annoying when you don't plan on using an AV cable at all.

1 out of 1 people found this review helpful. Did you? Yes No

  • Todd O.
  • 11/27/2012 10:54:26 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat Receiver

Pros: Works great

Cons: I can't get the "scrolling" to stop across the display. Maybe it just never does?

1 out of 1 people found this review helpful. Did you? Yes No

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Item#: N82E16882117397
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