I can't find any confirmation on that model. I just searched for reviews on models
ZT65, ZT60 & the VT60. None of them even try to connect a soundbar. The only
info we have to go on is the review of the ST60 by Home Theater.
The built-in audio of the ZT60 & VT60 is 2.1 stereo. Not a good sign.
That means they are downmixing 5.1 to 2.1 for the onboard speakers.
So they just send that same downmix to the audio out. Until recently
there were no 5.1 soundbars and no big demand for 5.1 out.
When researching TV's I never even cared about onboard sound.
I send audio to my tv through hdmi, but I don't use. A receiver with
a basic 5 bookshelf speaker with 1 subwoofer setup sounds so much
better. Most tv reviews pretty much reflect this. It is 99% about the
picture. That is where Panny plasmas excel.
When researching soundbars I came across a decent Sonos for $700
from Amazon. Then I realized the wireless subwoofer was $700 also.
Wrong budget. When I scrolled down to the reviews, the very first one
had a huge rant about this very thing. Most new TV's are downmixing
the output. This quote is from the text in the first review. And the link
is where I copied it from. I'm not the only person that knows about this.
"Here's the issue though: Sonos says they want you to use your TV as a hub, all the inputs going to the TV and then optical audio out from the TV to the Playbar. Great idea - but the problem is that most TV's won't pass Dolby Digital (DD) 5.1 surround from HDMI to the digital/optical audio. If it's from the TV itself (such as Netflix on a smart TV) or input directly from the coaxial cable it will pass 5.1 through the optical port BUT not from HDMI. This is either required to be HDCP compliant or is a licensing/cost issue (not sure). There are a few tv's that do this but they're few and far between and hard to verify.
So if you have multiple sources (say an Xbox 360, Blu-Ray player, Apple TV, etc) there's no way for those sources to ever deliver 5.1 to the Playbar as Sonos intended (assuming you add a sub and some Play:3's to the mix). And you can't wire multiple inputs directly to the Playbar because they have a single input for the sake of simplicity. Normally I'm fine with this, but in light of the limitation with HDMI => optical pass through on TVs this became an oversight to me upon learning about the pass through issue. You can solve this by finding a TV or receiver that does pass through DD 5.1 through the optical audio, but you shouldn't have to. Alternatively you can use an optical audio switch, which is fine most of the time but may not work with a blu-ray player since Playbar lacks DTS support and are also limited on inputs, but this doesn't solve what to do for certain devices that don't have an optical audio port (e.g. most computers, Wii U, etc).
In the end you're left with a system that is capable of producing much better sound (especially if a sub and some Play:3s are added) that most everyone won't be able to hear and results in this not sounding as good as it costs. And that's just a shame to me." Quoted from William B. Partridge March 8, 2013
Edited by kikkenit2, 25 July 2013 - 03:07 PM.