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Avid Contributor I
June 19, 2013

Recommendations on Optical Audio Switcher for Playbar?

  • June 19, 2013
  • 44 replies
  • 78740 views
Someone recommended an automatic 2 input optical audio switcher in one of the original playbar threads. It was from monoprice and the link is dead, and a search on monoprice makes it look like it's discontinued with nothing else up in its place.

I'm buying a new TV soon but based on what research I've done, it's impossible to be certain any TV I buy will have proper 5.1 optical switching. 99% chance it will not have it in spite of what people casually report on the internet.

So, I'll need to buy an optical audio switcher. I need to route at least three inputs, ideally four to help future proof me. And it needs to support 5.1. It does me no good if it downgrades the signal to 2.x.

I'm also debating over whether I should just buy another A/V receiver. I sold my old A/V receiver with my old 5.1 speaker set when I bought my playbar. As ridiculous as it sounds (and actually is), my best bet may be to buy a cheap $100 to $200 A/V receiver and use that for all my audio routing to the Playbar.

Then when friends come over and marvel at the slim form factor and design of the Playbar, I can point out that they'll need a gigantic A/V receiver in order to get it working properly.

I would also consider an HDMI switcher that has the appropriate audio output that parses out the correct 5.1 audio signal.

Ideally, whatever I choose, it's automatic with a manual override. I like the idea that whichever of the 4 inputs are outputting a signal is the one that is live. With the ability to manually switch for diagnostic or special use circumstances.

If that Monoprice unit comes back, even though it's just a dual unit, maybe I can get away with running two of them, one into the other, to get the 3 inputs that I need.

Or maybe someone will report that Sonos has come out with an official list of TVs that support the Playbar's intended functionality that it was engineered around (re: sending 5.1 out of optical). I haven't been on the forums in a few months and a cursory skim through thread posts didn't reveal anything new, although it sounds like Sonos may release a DTS update through software based on some rumors I read on the forums so that's exciting.
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    44 replies

    Cantello
    Avid Contributor I
    October 20, 2015
    I'm quite happy with my Inline audio switch (4 SPDIF inputs and 2 outputs, of which one is used for the Playbar), but I am currently wondering if a full-fledged audio converter might be better. Most DTS material I have can be converted via Kodi, but the FireTV I use for streming regularly outputs Dolby Digital Plus and thus only downmixes it to stereo for the Playbar.

    Does anyone know of a small AV receiver that can be used to downmix DTS, DD+ and other formats to pure DD for the Playbar? There's not much space in the AV rack and I do not really need the amplifier portion of the receiver, just the decoding capabilities.

    Any ideas?
    Trending Lyricist I
    October 20, 2015
    I'm quite happy with my Inline audio switch (4 SPDIF inputs and 2 outputs, of which one is used for the Playbar), but I am currently wondering if a full-fledged audio converter might be better. Most DTS material I have can be converted via Kodi, but the FireTV I use for streming regularly outputs Dolby Digital Plus and thus only downmixes it to stereo for the Playbar.

    Does anyone know of a small AV receiver that can be used to downmix DTS, DD+ and other formats to pure DD for the Playbar? There's not much space in the AV rack and I do not really need the amplifier portion of the receiver, just the decoding capabilities.

    Any ideas?


    I've search extensively for something like this and am pretty certain it doesn't exist. I think you're largely out of luck with DTS and DD+ unless you have a streaming device or a TV that will automatically transcode to DD. In general, it seems like devices with an optical output are capable of doing that transcoding work, but those are getting harder and harder to find on the newer streaming boxes (the exception being the Roku 4). Would be interesting if somebody just took the cheapest TV that will pass through 5.1 AND do the transcoding and ripped the guts out to use it as an HDMI switch/audio converter, but I've never heard of anyone doing that and it may very well be a terrible idea.
    Cantello
    Avid Contributor I
    October 21, 2015
    I've search extensively for something like this and am pretty certain it doesn't exist. I think you're largely out of luck with DTS and DD+ unless you have a streaming device or a TV that will automatically transcode to DD.

    Thanks for the (albeit negative) answer! I do have a streaming device that transcodes (FireTV w/ Kodi), but this does not work for Netflix/Watchever/Amazon Prime on the FireTV. My TV does pass some DD through, but sadly not all of it (I guess it signals that it can handle DD+ & DTS and also tries to pass this through as well, the Playbar only receives static).:(
    Trending Lyricist I
    October 24, 2015
    I might start a new thread, but I'll be purchasing the new 2015 Apple TV, that as many of us know, is losing the optical out option, and we'll have to find an hdmi to Toslink Optical switch of some kind to connect to the Playbar. My criteria has been keeping it as simple and inconspicuous as possible, but in the interest of trying out the new technology, I'm already exploring what my options are to connect my Apple TV content to my Playbar and surround setup.

    I won't need a bunch of connections, just the minimalist connector to tie up the new Apple TV with hdmi output only, the TV's hdmi input connection, and the Playbar's Toslink connection. I think, if I get the nomenclature correctly, that's a splitter that will take the one hdmi feed from the Apple TV to yield one hdmi connection to the TV, and one Toslink connection to the Playbar. Ideally the splitter would sleep whenever the rest of the gear sleeps and not be an energy vampire when the TV is off.

    Sonos customer support, I hope you are anticipating this question when the new Apple TV's go on sale October 26th!
    Contributor III
    May 23, 2016
    I am now using two devices which together seem to be perfect. I use a monoprice HDMI/Toslink switch that takes HDMI inputs and splits out a toslink output plus HDMI out. I use that with all my legacy devices including the Apple TV 4 since the switch does not support HDCP 2.2 and thus is limited to 1080p.

    But since I got one of the new LG OLEDs (2016) which is fantastic, and i wanted to use my Roku 4 with it in 4k mode, I realized that the monoprice would not pass thru and use the HDCP 2.2 protocol so I could in fact set 4k. So instead i took that HDMI output directly to the TV but still needed to somehow get a toslink signal to the playbar.

    So on Amazon I noticed they now sell several toslink switches and I purchased one by Enko which is a 3x1 switch. Works like a charm! Though it just came with a USB connector for power, I just hook that up the LG which has a power output on USB, and then taught my harmony remote the IR remote commands that the Enko comes with.

    All works beautifully together. Now I have toslink inputs directly from the TV, from the Roku 4 and from my monoprice switch (with its toslink output) going to the Enko switch and then into the playbar.

    A bit complicated but works just fine as far as I can tell. Love it.
    Lyricist I
    June 8, 2016
    Hello. I need some advice. I bought this unit and have it set up but no sound.

    https://www.amazon.co.uk/dp/B00Q6BYAYY/ref=pe_385721_135448361_TE_3p_dp_1

    I have my sky box, my android box and DVD plugged in via HDMI. This splitter is then connected to the tv via HDMI. Then the optical cable goes from the box to the sonos play bar. We have no sound coming out and do not know where we are going wrong. Do not know if we have bought the wrong splitter etc.

    Any advice would be greatly appreciated as we would like to be able to benefit from a true 5.1 experience across all platforms and not just from the TV.

    The TV is a Samsung Smart TV about 2 years old.

    Also what is the difference between the one that I bought and this one below

    https://www.amazon.com/Monoprice-105557-Toslink-Digital-Coaxial/dp/B003L14WB8?ie=UTF8&psc=1&redirect=true&ref_=oh_details_o02_s00_i00
    Ken_Griffiths
    June 8, 2016
    Ozboyz

    Presumably the only outputs on your 'switcher' are the HDMI-OUT and the digital coax ... I guess everything else is an 'IN'.

    If the HDMI-OUT goes to the TV, then the playbar will need to be connected to the TV toslink-out port, but older Samsung TV's tend to only output PCM 2.0 stereo...perhaps see what your documentation says for your TV, or ring the Samsung support desk.

    I do not think you have bought the correct 'switcher' looking at it briefly, but I can't be sure without seeing the accompanying documentation.

    Really the same applies to the other switcher too that you are comparing ... There's nothing to show that the toslink port on that device is a DD 5.1 output/pass-through .. Indeed, it too, could be an input port.

    I don't have a Sonos PlayBar myself, but hopefully someone else here will provide a link or suggestion as to a good HDMI switcher with DD5.1 toslink output that will work in your situation.
    Ken_Griffiths
    June 8, 2016
    Ozboyz, perhaps look at the devices mentioned earlier in this thread, or I think this is the type of HDMI switcher you are after ... albeit it's a bit more expensive:

    http://www.amazon.com/Portable-Monoprice-TOSlink-Consumer-Electronic/dp/B00LJPD7LY
    Lyricist I
    June 8, 2016
    Thanks Ken. We changed the optical cable and we are now getting sound. Played a DVD and our sonos app showed that it was putting 5.1 through to the play bar. Waiting to see if there is a chanel on tv that is out putting 5.1 to compare that too. Not being a technical person does not make it easy. Previous experience was with an amp that did all the sound for us but opted for sonos for the wi-fi functionality. I'm sure we will sort it out.
    Ken_Griffiths
    June 8, 2016
    Ozboyz ... It sounds promising if you are seeing DD5.1 already... Fingers x'd - hope it works out for you.