tx-nr646

  1. dalhauser

    Onkyo TX-NR646 and Oticon ConnectLine TV 3.0

    I have a client who is hard of hearing and recently acquired an Oticon ConnectLine TV 3.0 so they can listen to their TV audio over bluetooth to their hearing aids. They would like it set up to work with their surround zone which is set up like this: Video - Sources (AppleTV + DirecTV) > HDMI...
  2. T

    Onkyo TX-NR646 Random Feedback Fault

    Having an issue with random High Frequency feedback on Left Surround & Centre channels on ONKYO TX-NR646 Receiver - not sure if this was caused by the source or by the receiver itself! Seems to happen only when there's a high frequency from these particular channels on a film (was playing...
  3. DrussTheLegend

    Onkyo 646 problem :(

    Hi All, I have an issue with my Onkyo 646 in that it has over the years had an intermittent problem. It it will go into protection mode randomly and tell me to check speaker wire. It has done this on and off once in a blue moon over the years and occasionally flared up doing it frequently for...
  4. G

    Onkyo TX-NR646 - No Dolby Vision passthrough

    Hi, I've just upgraded to the 2019 Shield TV pro and found Dolby Vision won't work when passing through the TX-NR646 amp, only when connected directly to my TV. There doesn't appear to be any firmware updates to resolve this either, so I'm stuck with either no Dolby Vision, or passing the audio...
  5. J

    Answered Onkyo TX-NR646 with Bose 301s in 5.1 - Cracking Sound

    Hi All, your help much appreciated. I have four Bose 301 series speakers and a small 6ohm Panasonic speaker for the middle / front speaker. These are connected to my Onkyo TX-NR646 in 5.1 configuration. This is connected to my TV (which is an LG OLED55B8) through a high quality HDMI cable and...
  6. goalscrounger

    Onkyo TX-NR646 Zone 2 Help Needed Please

    Afternoon all, I have an Onkyo TX-NR646 and use it to play my mp3 collection via a netbook running Kodi. The netbook is connected via HDMI and plays fine in Zone 1. I've just purchased some outdoor speakers (Yamaha NS-AW150) and want to hook them up as Zone 2 speakers (mainly to play the same...
  7. scott61985

    Onyko tx-nr646

    Hi I've I've just been upgraded from the old onkyo 609 to the tx-nr646 through the onkyo replacment program. Everything is fine apart from the annoying problems with hdmi switching e.g if I have it on csble/sat when the amp is off then I want xbox one on I have go put the amp on and switch it...
  8. M

    Help - Faulty Setup Mic For Onkyo TX-NR646

    Hi, I have 3 questions I'm hoping someone can help with but I'll briefly explain the situation first. I currently own an Onkyo TX-NR646 receiver and have recently purchased a new centre speaker. I went to run the speaker set up (which uses AccuEQ Room Calibration) using the original mic that...
  9. T

    Question Anyone have a 2017 LG OLED tv and receiver with Netflix subscription- Dolby Atmos ARC woe ?

    Hi, with a relatively recent fw update , 2017 LG OLED TVs have been able to send their Netflix app's Dolby Atmos soundtracks to an external receiver via ARC audio return channel. Their movie Okja is such a movie with Dolby Atmos and I have been successful in sending the Dolby Atmos soundtrack...
  10. L

    Question Onkyo TX-NR646 2.1 subwoofer setup help

    Hi, sorry I'm a noob when it comes to this stuff. I just added a sub-woofer to my 2.1 setup with the nr646 AVR. I ran it through the auto-config (accuEq?) setup and heard the sub-woofer making noise. However, after that when I switch to cable TV (RCN) or stream music through my chromecast...
  11. B

    Question Onkyo TX-NR646 Popping/Crackling at high volume

    Hi, Was really working my AVR a few days ago, playing Prometheus at 50 volume. In loud scenes, like in the opening scene when the score really opens up, and in Gravity right at the start, I hear popping/crackling happening through random speakers. It only happens during the loud scenes. The...
  12. D

    Question Onkyo TX-NR646 and DTS-MA 6.1 ES (Wall.e Bluray)

    This is probably a simple fix, but when you've spend so long on a problem sometimes the fix is staring you in the face and you can't see it... All audio formats work perfectly, including DTS-MA 6.1 on Star Wars, LOtR etc. DTS-ES on DVD works fine it seems too. But Wall.e has a DTS MA 5.1...
  13. volpino

    10 years on: building a new system w' a Onkyo TX-NR646

    Hi all, Great forums. Have been mining for information and learned a lot so far. Here's the rub: It's finally time to upgrade my home entertainment system after 10 years. (Yes, I know - running a little behind but I've been pretty happy). I have found a Onkyo TX-NR646 for sale at a very...
  14. Maximiliano

    Onkyo TX-NR646 outdoor speaker installation

    Hi, I have had some much trouble trying to connect my outdoor speakers that I am frustrated and need some help. I have an Onkyo receiver and I didn't have a problem connecting my surround system but my house was pre wired with 2 outdoor speakers and I can get to connect them. They have 4 cables...
  15. O

    Question Onkyo TX-NR646, HDbaseT and Epson TW 6100

    Hi Recently received a Onkyo TX-NR646, I have a HDBaseT single wire adapter from Neet, this works perfectly from my PS4 to Epson TW 6100 Projector. However as soon as I introduce the Amp I cannot get the AMP and Projector to Sync without having to reboot the HDBaseT TX Balun ? I have sound from...
  16. andyr300

    Question Onkyo TX-NR646 is not very loud?

    Hi All, I recently bought the receiver above to pair with a 5.1 Monitor Audio Radius set of speakers, at normal listening volume I am very happy with the results however when I turn it up it doesn't get that loud. It's not quiet, but I certainly feel I could tolerate it louder - for example if...
  17. Cisco 209

    Onkyo TX-NR646 questions

    Can I hook up 2 powered sub woofers to my receiver and play at the same time?
  18. N

    Airplay audio and HDMI video Onkyo tx-nr646

    Hi team, I recently purchased a Onkyo TX-NR646 receiver and am interested in running HDMI video from one source with airplay audio. Can anyone assist with how to accomplish this? Also to be clear, I have previously got this working by pressing the 'stereo' button the remote, but then there is...
  19. S

    Connecting TV and Projector to TX-NR646

    Hi, Need some help in connecting both TV and Projector to Onkyo TX-NR646 receiver. Is using HDMI splitter is the only option?
  20. texasgolfer74

    Surround speakers for Onkyo TX-NR646

    Trying to build out my home theater system and need some help. I currently have the follwing equipment to work with the Onkyo receiver and need to know if these will work well together. I also need suggestions on a pair of rear speakers that can support the power output that the Onkyo puts out...
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