Like many new high-end TVs the QN90A lacks analog inputs entirely, audio or video.
The list is mostly solid, unless you happen to own a legacy device that requires analog video (component or composite) or audio. The top input, Input 4, has the best specs for gaming. Plug in an optional webcam (Samsung has a list of recommended cameras, all by Logitech) and the app will track your exercises and give you coaching complete with celebrity personal trainers like Jillian Michaels. Samsung's health app debuted on its TVs in 2020 and this year it's expanding to offer guided personal training. And like most TVs, you can also pair the QN90A with separate Alexa or Google speakers. With Amazon and Bixby (but not Google) you also have the option of simply saying "Alexa" or "Hi, Bixby" wake words, allowing you to issue commands hands-free and unlike last year the mic is located in the TV itself, not the remote.
Whichever one you choose will be available when you press the mic button on the clicker. Voice command is built-in and you can choose between Amazon Alexa, Google Assistant or Samsung's homebrew Bixby. The voice assistant can be summoned from the remote or hands-free by saying "Alexa" or (if you prefer, for some reason) "Hi, Bixby." David Katzmaier/CNET Choice of voice assistant, optional webcam
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