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Onkyo TX-NR686



Quick Overview

Product Number: POS-134353
Brand: Onkyo
Model Number: TX-NR686
Condition: New
Warranty: 3 Years
Color: Black
Weight: 11770

Onkyo TX-NR686 7.2 Channel Network AV Receiver

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  • Onkyo TX-NR686 7.2 Channel Network AV Receiver
  • Onkyo TX-NR686 7.2 Channel Network AV Receiver
  • Onkyo TX-NR686 7.2 Channel Network AV Receiver
  • Onkyo TX-NR686 7.2 Channel Network AV Receiver
  • Onkyo TX-NR686 7.2 Channel Network AV Receiver

Mind-Blowing Entertainment Every Day Of The Week

With high-current Dynamic Audio Amplification driving your surround system to THX Certified Select™ cinema reference levels, you can transport your audience to the heart of the movie. DTS:X® and Dolby Atmos® soundtracks complement the latest in 4K HDR video via HDMI® pass-through supporting 4K/60p, Dolby Vision™, HDR10, HLG, and the BT.2020 color standard. Now with cross-compatible 3D audio upmixing solutions from Dolby Surround and DTS Neural:X®, you can enjoy regular multichannel movies with spatially immersive sound. Cast music from mobiles to the receiver and other compatible systems in your home over Chromecast built-in, DTS Play-Fi®, or FlareConnect™ wireless multi-room platforms. AirPlay and Bluetooth® technology are also on board. Enjoy built-in streaming services as well Hi-Res Audio via network and USB, all with the dynamic and emotional sound only an Onkyo can deliver.

Key Features
- THX® Certified Select™ Theatre Reference Sound
- Supports 7.2 channel setups or up to 5.2.2-channel Dolby Atmos® and DTS:X® playback
- 165 W per channel
4K/60 Hz, HDR10, HLG, Dolby Vision™, BT.2020, and HDCP 2.2 video pass-through support via HDMI®
Dynamic Audio Amplification with 165 W/Ch and 4-ohm drive capability
384 kHz/32-bit DAC and VLSC™ filtering for source-faithful digital music
5 GHz/2.4 GHz Wi-Fi®, Chromecast built-in, DTS Play-Fi® technology
FlareConnect™ wireless multi-room audio distribution
AirPlay, Amazon Music, Spotify, TIDAL, Deezer, TuneIn

More features are detailed further in the listing



Best-in-class movie realism with THX® Certified Select™

THX Ltd. was founded by legendary filmmaker George Lucas to improve the entertainment experience at commercial theaters and at home. To gain THX Certified Select certification, home theater receivers must pass 2,000 severe THX laboratory bench-tests in 75 categories covering 14,000 data points to assure reference performance in every respect. With uncompromising sound-quality exceeding world-class standards, you can feel theater sound as the filmmaker intended.




Speaker-driving power with end-to-end noise control

The TX-NR686 features original Dynamic Audio Amplification to precisely control your speakers. Custom-fabricated transformer enables stable power supply while fully customized capacitors assure instantaneous response to dynamic changes. This is vital for thrilling movie sound. High-current power is proven by 4–16-ohm speaker-driving capability. Discrete wide-range amplification circuitry has hand-selected audio parts and is exhaustively tested and tuned. This guarantees dynamic sound with phenomenal image accuracy. Non-phase-shift circuitry joins patented VLSC™ noise-removal circuit technology on the front L/R channels to improve clarity and detail. By eliminating digital noise from source to speaker, unique textures are revealed while improving soundfield cohesion for a thoroughly immersive listening experience.




AccuEQ Room Calibration with AccuReflex™

AccuEQ ensures that the TX-NR686 and connected speakers are calibrated so they’re working at their absolute best in your listening space. It calculates speaker distance from the listening position, adjusts speaker sound-pressure level, and sets the crossover position. AccuReflex™ technology, meanwhile, optimizes the performance of your Dolby Atmos-enabled speakers for clear and comfortable sound at the listening position. The phase of direct and indirect sounds is aligned for seamless presentation of object-based soundtracks.



Dolby Atmos® and DTS:X® sound through 5.2.2 channels

Object-based audio is studio-mixed in a virtual 3D space, allowing discrete sounds to play through any speaker in your 5.2.2-ch system. Sound moves naturally around your audience so they feel Dolby Atmos or DTS:X movie soundtracks like it’s real life. DTS Neural:X™ and Dolby Surround solutions are on board to upmix legacy formats for playback through your object-audio-ready speaker system. Cross-compatibility with common soundtracks including Dolby® Digital, Dolby® TrueHD, and DTS-HD Master Audio™ lets you enjoy spatial sound from your existing movie library or supported video streaming service using either technology.




Spectacular 4K HDR with BT.2020, 4K/60 Hz, and HDCP 2.2

HDR reveals what’s been missing from high-definition video with improved detail resolution in shadows and sparkling highlights as the eye sees them naturally. HDR also expands the color gamut to about 75 percent of the visible color spectrum. Colors are infinitely richer and more natural on HDR-compliant TVs, with smoother tonal gradation. The TX-NR686 has seven HDMI inputs, Main Out, and Sub Out to support pass-through of 4K HDR video in HDR10, HLG, and Dolby Vision™ formats. Selected inputs handle the BT.2020 4K Video Standard, 4K/60 Hz video, and unlock HDCP 2.2-protected premium content.


FlareConnect™ technology expands enjoyment of music

FlareConnect shares audio from network and external audio input sources between supported components. Connect your audio systems to Wi-Fi to enjoy high-quality reproduction of music stored on mobiles using Onkyo Controller app on single or grouped speakers. Relax with a huge variety of music via streaming services and internet radio channels. You can also play from any component’s external audio inputs. Your favorite tunes, even LPs, can be mirrored on speakers in other rooms. Music selection, speaker grouping, and playback are built into the Onkyo Controller app.




A wider choice of wireless multi-room platforms with stable 5 GHz/2.4 GHz Wi-Fi® connection

Built-in Wi-Fi supports 5 GHz and 2.4 GHz frequency bands so your components can connect to the channel with the least amount of congestion. Stable connectivity delivers a more satisfying multi-room experience on your choice of network audio platform. The TX-NR686 features DTS Play-Fi® technology to share high-quality music from connected online services, media servers, and your device library to any number of compatible products using the Onkyo Music Control App for iPad, iPhone, and Android™ smartphones/tablets. DTS Play-Fi technology easily synchronizes music playback in every room. With Chromecast built-in, you can stream any music from your smartphone, laptop, or PC to the TX-NR686 and other supported components via Chromecast-enabled apps you know and love from your iPhone, iPad, Android phone or tablet, Mac or Windows laptop, or Chromebook™.


Powered Zone 2 speaker outputs share the best of both worlds

The TX-NR686 features speaker outputs to distribute amplified audio to speakers in another room. As Powered Zone 2 speaker terminals are independent, seven speakers can be connected in the main room with two additional speakers permanently connected in another space. When Zone 2 is powered on, a 5-channel speaker layout in the main room is activated. When Zone 2 is turned off, playback through a 7-channel speaker layout in the main room is automatically enabled. Amplified audio sources including network, S/PDIF, and analog can be enjoyed in Zone 2 audio with playback control via Onkyo Controller. A Zone 2 line-level output is also included.






It’s time to experience high-resolution music!

The Onkyo TX-NR686 is engineered from top to bottom for universal Hi-Res Audio playback that’s easy to access and enjoy. You can play two ways: use the Onkyo Controller remote app to locate your Hi-Res Audio albums—including 5.6 MHz DSD (converted to PCM on playback) and PCM to 192 kHz/24-bit—on network-attached PC or storage device and play them back on the receiver. You can also copy your albums to a USB storage device, connect it to the receiver, and use the system remote to select music. Discover the extra clarity, detail, and analog-like fluency that high-resolution music affords for yourself.


Enrich life with a wider choice of music streaming services, internet radio, audiobooks, and more

Amazon Music can be easily accessed via Onkyo Music Control App, and TIDAL, TuneIn, Deezer, and Spotify with Onkyo Controller (note a service subscription may be required). Install the Onkyo apps on iPhone or Android™ devices to perform different operations, such as switching inputs, selecting music, and controlling volume. The remote app also lets you cue and play music in Zone 2. You can play the same source in both rooms or different sources in each. Network Standby powers up the sleeping receiver for playback using the remote app. Visit App Store or Google Play to download free.



Advanced Music Optimizer™ boosts compressed audio quality

Compressed digital audio formats such as MP3 or AAC files lose a substantial amount of high-frequency bit information when played back via Bluetooth® wireless technology or streaming service. Music Optimizer technology, developed by Onkyo, works to overcome this limitation and enhance audio quality. Music Optimizer employs a sophisticated DSP algorithm to restore lost bit information, resulting in fuller, clearer sound. A loudness correction feature is also included to enhance enjoyment of these convenient audio files. Music Optimizer function can be set to ON or OFF per individual input terminal.




 User Manual (PDF, 7.7 MB)







Advanced Features

- HDMI terminals supporting HDR10, HLG, Dolby Vision™, BT.2020, 4K/60 Hz pass-through, and HDCP 2.2
- 5.2.2-channel Dolby Atmos playback and Dolby Surround upmixing for audio formats including DTS® codecs
- DTS:X playback and DTS Neural:X® 3D upmixing supporting Dolby® formats
- AccuEQ Room Acoustic Calibration with AccuReflex phase alignment for Dolby Atmos-enabled speakers
- Supports Onkyo Controller app for intuitive multi-room operation
- Stable 5 GHz/2.4 GHz Wi-Fi connectivity
- Chromecast built-in wireless audio streaming technology that works with the Google Assistant
- DTS Play-Fi multi-room audio with Onkyo Music Control App
- AirPlay audio streaming from iTunes and iPad, iPhone, and iPod touch
- Hi-Res Audio playback including DSD 5.6 MHz/2.8 MHz, 192 kHz/24-bit FLAC, WAV (RIFF), AIFF, ALAC, and Dolby® TrueHD
- Supports Amazon Music, Spotify, TIDAL, and Deezer music streaming services and TuneIn internet radio
- FlareConnect multi-room audio distribution to compatible components
- Powered Zone 2 speaker outputs and Zone 2 line-output with DAC supporting digital*8 and analog audio playback
- Bluetooth® wireless technology for mobiles, laptops, and PCs (Version 4.1 + LE, Profile: A2DP v1.2, AVRCP v1.3)
- Advanced Music Optimizer improves compressed digital audio quality, including Bluetooth audio
- Support for front L/R bi-amping in a 5.2-channel speaker layout
- 480i de-interlacing (480i to 480p) via HDMI for legacy video formats

Amplifier Features

- Dynamic Audio Amplification delivers thrilling multichannel and stereo performance
- High-current power drives large speakers with 4-ohm resistance
- H.C.P.S. (High Current Power Supply) customized transformer
- VLSC (Vector Linear Shaping Circuitry) high-frequency noise removal (for front L/R channels)
- Non-phase-shift amplification circuitry for clarity and detail
- Discrete output stage circuitry for low distortion

Processing Features

- Dolby Atmos and DTS:X reproduction (supports 5.2.2 channels)
- HDMI support for 4K/60 Hz, HDR10, HLG, Dolby Vision, 3D, Audio Return Channel, DeepColor™, x.v.Color™, LipSync, Dolby Atmos, Dolby TrueHD, DTS:X, DTS-HD Master Audio™, DSD, DVD-Audio, Super Audio CD (SACD), multichannel PCM, and CEC
- High-grade AKM (AK4458) 384 kHz/32-bit multichannel DAC
- PLL (Phase Locked Loop) jitter-cleaning technology for S/PDIF audio
- 32-bit Digital Signal Processing (DSP)
- Listening modes for gaming (Rock, Sports, Action, and RPG)
- Theatre-Dimensional virtual surround function
- Direct Mode for audio reproduction close to original source quality
- Tone controls (bass/treble) for front L/R channels

Connection Features

- 7 HDMI inputs (1 front) and 2 outputs (1 Main Out, 1 Sub Out)
- Powered USB terminal (5 V, 1 A) for audio playback
- 2 composite video inputs and 2 component video inputs
- 3 digital audio inputs (2 optical and 1 coaxial)
- 6 analog audio inputs, 1 stereo 3.5 mm analog input (front)
- Phono input (MM) and equalizer for turntable connection
- 2 subwoofer pre-outs
- 6.35 mm headphone jack (front)
- Speaker setup mic input (front)
- Speaker posts with screw knobs

Other Features

- Crossover adjustment for each channel (40 ⁄ 50 ⁄ 60 ⁄ 70 ⁄ 80 ⁄ 90 ⁄ 100 ⁄ 120 ⁄ 150 ⁄ 180 ⁄ 200 Hz)
- A/V Sync Control (up to 500 ms in 5 ms steps at 48 kHz)
- Graphical User Interface with overlaid On-Screen Display via HDMI
- Quick Setup Guide via GUI and easy connection diagram on rear panel
- Large input selector buttons
- Economical HDMI pass-through and Network Standby functions
- IP control support for home automation systems
- 3-mode display dimmer (normal/dim/dimmer)
- 40 FM/AM random presets
- Simple remote control

General Specifications

- Power Output: 165 W/Ch (6 ohms, 1 kHz, 1% THD, 1 Channel Driven, IEC)
- Frequency Response: 10 Hz–100 kHz/+1 dB, -3 dB (Direct Mode)
- Dimensions (W x H x D): 435 x 173.5 x 379.5 mm
- Weight: 10.0 kg

Amplifier (Audio) Section

Power Output
All Channels, 6 Ohm, 1kHz, 1% THD, 1 Channel Driven, IEC - 165W 

Dynamic Power
3 Ohm - 240W
4 Ohm - 210W
8 Ohm - 120W

THD+N (Total Harmonic Distortion + Noise)
0.08% (20Hz - 20kHz, Half Power)

Input Sensitivity & Impedance
Line - 200mV/47 kΩ
Phono - 3.5mV/47 kΩ

Rated RCA Output Level & Impedance
Subwoofer Pre Out - 1 V/470 Ω
Zone Line Out - 200 mV/2.3 kΩ

Frequency Response
10 Hz–100 kHz/+1 dB, -3 dB (Direct Mode)

Tone Control
Bass - ±10 dB, 20 Hz
Treble - ±10 dB, 20 kHz

Signal-to-Noise Ratio
106 dB (Line, IHF-A)
80 dB (Phono, IHF-A)

Speaker Impedance
4 Ω–16 Ω


Video Section

Input Sensitivity/Output Level and Impedance
1.0 Vp–p/75 Ω (Component Y)
0.7 Vp–p/75 Ω (Component B/R)
1.0 Vp–p/75 Ω (Composite)


Tuner Section

Tuning Frequency Range
FM - 87.5 MHz–108 MHz
AM - 522 kHz–1,611 kHz

FM/AM Preset Memory
40 Stations


General Specifications

Power Supply
AC 220–240 V~, 50/60 Hz

Power Consumption
570 W

No-Sound Power Consumption
60 W

Standby Power Consumption
0.15 W

Dimensions (W x H x D)
435 x 173.5 x 379.5 mm

10.0 kg


What's In The Box?
- TX-NR686 Receiver
- Indoor FM antenna
- AM loop antenna
- Speaker setup microphone
- Quick Start Guide
- Basic Manual
- Remote controller
- AAA batteries x2

3 Years
All Onkyo Receivers and Amplifiers include a massive 3 Year Australian warranty so you can buy with confidence.

Authorised Dealer
Selby Acoustics is an Onkyo Authorised Internet Dealer. To ensure you are protected by an Australian warranty, buy only from authorised dealers.

Register Your Product
To receive notifications of updates for your product, you can register your Onkyo product with Ambertech (Onkyo's Australian distributor).

If you experience any issues with this product please don't hesitate to contact us.
How much does delivery cost?
Nothing! We offer free post on all orders to anywhere within the Australian mainland and Tasmania.

Can I pick up my purchase from your store?
Yes. You can usually pick up your order from one of our stores. We recommend that you contact us first to ensure your order is ready for collection.

What happens if I'm not happy with my product when it arrives?
We offer a 30 day 100% satisfaction guarantee on all of our products! If your order arrives damaged, faulty or not quite as you expected, please contact us and we will do everything we can to fix the situation.

Please visit our FAQ page for answers to other frequently asked questions or contact us if you have any other questions or comments.
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