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Item#: N82E16886980004

Onkyo TX-NR636 7.2 Channel 4K AV Receiver

  • 7.2 channel, 95W per channel
  • 7 in/2 out HDMI, 1 MHL
  • 3D-Ultra HD (4K/60Hz)Upscaling and Pass-through
  • Built-in Wi-fi and Bluetooth
  • Three-Stage Inverted Darlington Circuitry
  • AccuEQ Room Calibration
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
This product qualifies for the Iron Egg guarantee. We'll match any qualifying competitor's price.
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Learn more about the Onkyo TX-NR636




Power Output
95 Watts per Channel (8 Ohms, 20 Hz–20 kHz, 0.08% THD, 2 Channels Driven); 115 Watts per Channel (6 Ohms, 1 kHz, 0.7% THD, 2 Channels Driven)
Dolby TrueHD and DTS-HD Master Audio Decoding
D/A Converter
TI Burr-Brown 192 kHz/24-Bit DAC (8 Channels x 1)


7 In / 2 Out
Digital Optical Audio
1 In
Digital Coaxial Audio
2 In
Pre-Amp Out
Dual Sub
USB Port


Power Supply
AC 120 V~, 60 Hz
No-Sound Power Consumption: 80 W
Standby Consumption
0.1 W


- 4K/60 Hz-Capable HDMI Terminals for Ultra HD Entertainmentx1
- Supports HDCP 2.2 for Future 4K/Full HD Video Streaming and Broadcastx2
- Built-in Wi-Fi Certified Wireless LAN Capability
- Three-Stage Inverted Darlington Circuitry for Front and Center Channels
- HDMI Video Upscaling to 4K with Qdeo Processing Technology by Marvell
- Internet Radio and Music Streaming Subscription Services Included (TuneIn Radio, Pandora, Slacker, SIRIUS XM Internet Radio, Spotify, AUPEO!, and Deezer)x3
- Playback Compressed, Lossless, and Hi-res Audio via Local Network (MP3, WMA, WMA Lossless, FLAC, WAV, Ogg Vorbis, AAC, Apple Lossless, DSD 5.6 MHz, LPCMx4, and Dolby TrueHD)
- Proprietary AccuEQ Room Calibration with Mic Included
- Dolby Pro Logic IIz Upmixing for Seven-Channel Surround Sound
- Advanced Music Optimizer to Improve Compressed Digital Audio Quality (Bluetooth Included)
- Control and Stream with Free Onkyo Remote Streaming Apps for iPod touch/iPhonex5 and Android Devicesx6
- Frontside MHL for 1080p Video and Stills from Smartphone and Tablet
- Input Source Preview with InstaPrevue Technology
- PM Bass Boost for Deep Bass and Clear Mid-Range
- Powered Zone 2 and Zone 2 Line-Out for Distributed Audio Playback in Another Room

- WRAT (Wide Range Amplifier Technology)
- H.C.P.S. (High Current Power Supply) Massive High Power Transformer
- Discrete Output Stage Circuitry
- Optimum Gain Volume Circuitry
- PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio

- Dual 32-Bit Digital Signal Processing Engines
- 4 DSP Modes for Gaming: Rock, Sports, Action, and RPG
- Theater-Dimensional Virtual Surround Function
- CinemaFILTER
- Direct Mode
- Double Bass Function
- Non-Scaling Configuration

Dimensions & Weight

17 1/8" x 6 13/16" x 12 15/16" (W x H x D)
22.0 lbs

Quick Info


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

Customer Reviews of the Onkyo TX-NR636

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  • nicholas l.
  • 11/28/2014 11:33:22 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsSolid Receiver

This review is from: Onkyo TX-NR636 7.2 Channel 4K AV Receiver

Pros: Solid home receiver with lots of features and options. Built in Spotify player (not just a Bluetooth streaming feature), phone or tablet app support and a lot of cool setup and customization settings.

Cons: App support is a bit slow, and not as seamless as I hoped for.
Setting up speaker settings took some effort.

Other Thoughts: I currently have 1 month of use on this receiver after finally upgrading from an old Onkyo 6.1 receiver (that's not a typo, I had a 6.1 system). The now 10yr old receiver's features were far outdated and I wanted to have a setup that would allow me to ditch a lot of extra components (Bluetooth music receiver, media PC and all the component video out cables for HDMI). This Onkyo fit the bill and after seeing a lot of similar Sony receivers that didn't quite have what I went back to Onkyo.
The look is really nice and polished. The inputs are all well labeled and easy to understand. The large volume knob is great, and changing inputs from the front is useful. The remote is a bit cluttered, and I think they could have gone simpler but you get used to it. I think less would have been more here.
I am running a 2 speaker setup with a sub. The two speakers were easy to get going, but it took me a while digging through menus to get the sub just right. This was a bit frustrating but expected with a piece of kit with this many features. The included mic made it easy to adjust levels and the sound is awesome. Still not sure if I want to use a Bi-Amp setup but it’s nice to have the option.
The network feature was awesome and a breeze to setup (although I am using a wired setup not a wireless). I use the Spotify feature all the time, and I can change it on the fly using my phone. The App runs slow, and you have to with for menus to load, but it works. The best part is I don’t have to keep my phone on the network for it to keep working. The Onkyo’s native Spotify player streams locally. That being said, Spotify’s new Connect feature kind of makes this obsolete (provided you have a media PC nearby to run to the receiver).
All in all the variety of features, good sound quality and app support did it for me. If they could just make the remote easier to use and maybe add an DVI input I would be sold.

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  • Anonymous
  • 7/25/2014 2:45:14 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

3 out of 5 eggsVideo Card went out around 7-8 months of use.

This review is from: Onkyo TX-NR636 7.2 Channel 4K AV Receiver

Pros: Sound is terrific, calibrator works great looks beautiful very strong the on-screen video guide is great the wifi works good if you're listening to Pandora it'll stop playing and lagging after a few hours of use without touching anything maybe sooner, I use it has a HDMI passthrough for PlayStation 4 and Xbox one, no problems and picture clarity even after Connecticut to TV.

Cons: After seven to eight months of ownership the video card went out. I have to pay around $50 for shipping to send my stereo away, the retail store video only can't offer me any help other than biting the bullet. Telling they'll give me a discounted price on a newer product like I'm made of money, Onkyo says I can send it to repair shop which it will be gone for about half a month & I get to pay 50 bucks for the shipping and they will replace the video card I'm still going to be with out a receiver. For a while and out $50.

2 out of 4 people found this review helpful. Did you? Yes No

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Item#: N82E16886980004
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