A:AnswerSorry, no headphone jack. However, I think (and I might be wrong so you'll have to look it up), but I think the 4K version has Bluetooth which means it'll pair up to a set of wireless headphones.
A:AnswerI am not a techie person, but I am able to connect the TV to my Apple HomePod smart speaker. But the downside is the HomePod only works if you have Apple TV…which sucks.