A:AnswerNo, HDMI is a method for connecting an AV device to play audio from a broadcasting device. The USB can only play a limited number of formats from a storage drive. As an example- you couldn't connect your TV to the sound bar through USB, you'd need to use HDMI.
A:AnswerThis will connect through the Google Home App and you can use any Chromecast capable audio application such as iHeartRadio, Pandora, or Spotify and cast directy to the sound bar as well.
A:AnswerHi Billybob. The bar comes with a quickstart guide that shows a breakdown of setup. If you can't find yours, it's on support.VIZIO.com. Just click on "Find My Manual".
A:AnswerHi billybob. Sorry if you're having trouble. It should be a simple setup with just 1 cable. If youre having trouble, head over to support.VIZIO.com and click on "contact us'. Our tech support team will get you up and running.
A:AnswerThe phone app lets you use you phone as a remote. It also lets you connect the sound bar to the internet if you interested in use the Chromecast features. BUT, if you just want to connect it to your TV for theater quality audio- you don't need the app at all.
A:AnswerYes, you can use the Google Home app to add this soundbar to a speaker group. This lets you cast the same content to multiple cast enabled speakers.