Roku Ultra ($100, model 4850): Adds Dolby Atmos, USB media playback, Bluetooth audio (for headphones or playing music from a phone), and a remote finder function, triggered by pressing a button on ...

・Roku Streambar SE ($100, model 9104R): Has a built-in speaker that’s likely better than your TV speakers and can be paired with a subwoofer and surround speakers, but lacks Dolby Vision and ...