They still lack HDMI too on their two older sound bars.

I ended up going to Denon HEOS AVR which works great as a fully featured home theater amp (DD+ and DTS-HD) with wireless rears and similar casting abilities.

Out of curiosity, why do you need HDMI on a speaker? Especially considering that you don’t know how much latency the TV’s signal processing is introducing into the chain.

I just run an optical cable from my TV to my Sonos soundbar. It’s simple, it works, and I know that the audio will be in sync. And as a bonus, the cable’s thinner.

(I do wish they supported more audio formats though, with DTS and Atmos notably absent.)

> Out of curiosity, why do you need HDMI on a speaker?

Well, my TV doesn't pass through anything other than stereo over optical, so lack of HDMI adds on the expense and hassle of an additional HDMI switch with audio extraction to my AV chain if I want 5.1 audio.

Optical also doesn't have the bandwidth for higher-resolution formats. This means, for instance, that's it's impossible to play Nintendo Switch audio in anything other than stereo on a 5.1 Sonos system, as the Switch only supports LPCM audio output. (Also can't do Atmos over optical, but I tend to believe Sonos when they say that it doesn't help with actual sound quality with a regular 5.1 setup.)

> Especially considering that you don’t know how much latency the TV’s signal processing is introducing into the chain.

I don't know that I'd trust TV manufacturers to have lower latency on video input than on audio output, so this seems like a bit of a wash. Furthermore, the Sonos app has a setting to adjust audio latency. Personally, I use my TV for games and with a desktop PC, so any significant video latency isn't acceptable anyway, regardless of video sync.