Onkyo TX-NR676 7.2-Channel Network A/V Receiver

Model #TX-NR676

Onkyo Warranty
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3D Support Yes
Input Sensitivity/Output Level and Impedance 1.0 Vp-p / 75 Ohms (component Y)0.7 Vp-p / 75 Ohms (component PB/CB, PR/CR)1.0 Vp-p / 75 Ohms (composite)
Component Video Frequency Response +0 dB, -3 dB
Deep Color / x.v. Color Support Yes

Tuner Section

Tuning Frequency Range FM: 87.5 to 107.9 MHzAM: 530 to 1710 kHz
FM/AM Preset Memory 40 stations


DAC Asahi Kasei AK4458 384 kHz/32-bit
Dolby Atmos (5.2.2), True HD, Dolby Digital Plus
DTS DTS:X, DTS Neural:X, DTS-HD Master Audio
Calibration AccuEQ with AccuReflex

Packaging Info

Box Dimensions (LxWxH) 20.5 x 17.8 x 10.0"
Package Weight 26.5 lb

General Information

Frequency Response 10 Hz to 100 kHz / +1 dB, -3 dB (Direct Mode)
Speaker Impedance 4 to 16 Ohms
Signal-to-Noise Ratio 106 dB (line, IHF-A)80 dB (phono, IHF-A)
Tone Control Bass: ±10 dB, 90 HzTreble: ±10 dB, 7.5 kHz
THD & Noise 0.08% (20 Hz to 20 kHz, half power)
Input Sensitivity and Impedance 200 mV / 47 kOhms (line/unbalanced)3.5 mV / 47 kOhms (phono MM)
RCA Output Level and Impedance Rated:200 mV / 2.3 kOhms (zone 2 line-out)1 V / 470 Ohms (subwoofer pre-out)
Phono Overload 70 mV (MM, 1 kHz, 0.5%)
Channels 7.2
Power Output per Channel 100 W per channel (8 Ohms, 20 Hz to 20 kHz, 0.08% THD, 2-channels driven, FTC)210 W per channel (6 Ohms, 1 kHz, 10% THD, 1-channel driven)
Dynamic Power per Channel 120 W (8 Ohms, front)210 W (4 Ohms, front)240 W (3 Ohms, front)


Weight 22 lb (10 kg)
Power Requirements 120 VAC, 60 Hz
Power Consumption Typical: 580 WOn, No Sound: 60 WStandby: 0.15 W
Dimensions (W x H x D) 17.125 x 6.813 x 14.875" (435 x 173.5 x 378 mm)


Wi-Fi Dual-band 2.4 and 5 GHz IEEE 802.11a/b/g/n
Speaker Connectors 9 x binding post pairs
Other Interfaces 1 x Ethernet1 x calibration microphone (front)1 x AM antenna1 x FM antenna1 x phono ground screw
Outputs 2 x HDMI1 x stereo RCA Zone 22 x subwoofer pre-out1 x 1/4" (6.35 mm) headphone (front)
Inputs 7 x HDMI (1 front)2 x component video2 x composite video1 x digital coaxial2 x optical TOSLINK6 x stereo RCA1 x stereo RCA phono1 x 1/8" (3.5 mm) audio (front)1 x USB (rear)
Audio Return Channel (ARC) Yes
AirPlay Yes
Bluetooth Version 4.1 + LEProfiles: A2DP v1.2, AVRCP v1.3
Expert Reviews
Secrets of home theater and high fidelity.34751868
11 October 2017

While the mid-range priced receiver market is the most competitive and sought out range for purchase by consumers, the Onkyo TX-NR676 stands out in the crowd due to the emphasis on sound quality.

User Reviews
6 days ago

i love the sound it has and all my hdmi inputs have a spot but the display generated from receiver that goes on sreen of tv would not work on my panasonic 37 in plazma.I haven't tried all features yet.

  • +

    sound great i haven't tried all features yet.

  • -

    display doesn't work on my old plazma tv had to use a newer model tv what a shame. Said onkyo display from reciever would not work on my operating system.

19 December 2017

Mine at least has a defect. Sometimes when listing to music i'll get static popping on the right side. I've switched the plugs and the sound moves to the left speakers so I know it's not the speakers or the wiring. Contacted them and they want me to drop it off at a shop 2 hours away.

1 week ago

I have a 55" and a projector and have been looking for a nice receiver to output the hdmi to both, as well as have enough hdmi inputs for all my equipment, and this receiver took care of all that! Amazing sound and interface. Best receiver I've owned!

1 week ago

Awesome reciver-with plenty of power!

2 weeks ago

Onkyo delivers exceptional sound and power. My 7.1 JBL system is booming!!!

3 weeks ago

The speaker setup was perfect for our large living room. The surround sound and Pandora have come alive. Internet functionality was poor. I would buy again as price point was great.

3 weeks ago

Good sound, after I got it all set up and used the really helpful automatic feature to balance the speakers. And, lots of HDMI inputs and a phono input for my turntable. BUT the two Composite Video inputs were useless because they required re-setting the quality of my video output from my older...

  • +

    Competent receiver with a phono input available

  • -

    Composite video inputs may not work witholder equipment.

4 weeks ago

Great little receiver - easy automated setup and room configuration.

22 May 2018

Very easy setup and speaker calibration. Best sound i have had out of an AVR. With the latest digital processing, im hearing background sounds on movies and TV shows that i never noticed before.

  • +

    Great sound, Easy Setup, plenty of HDMI ports.

  • -

    Speaker terminals could have used a better design and are a bit close together.

22 May 2018

We have an older whole-house system. We were running all of it via 2 amps daisy chained. The load was still too heavy and everything shut down constatnly. This solved it all. We are running it as a straight stereo amp.

  • +

    Flexibility, sound, ease of use.

  • -

    Manual could be clearer on the deeper menu stuff.

Product Highlights
  • Up to 100W per Channel at 8 Ohms
  • AccuEQ Sound Optimization
  • 4K Ultra HD Upscaling
  • HDMI with 3D and Audio Return Channel
  • 7 x HDMI-In / 2 x HDMI-Out
  • Built-In Wi-Fi and Bluetooth
  • Apple AirPlay Connectivity
  • USB Connectivity
  • On-Screen Display via HDMI
In The Box
  • Onkyo TX-NR676 7.2-Channel Network A/V Receiver
  • Remote Control
  • 2 x AAA Batteries
  • Indoor FM Antenna
  • AM Loop Antenna
  • Speaker Set-Up Microphone
  • Limited 2-Year Warranty
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