A:AnswerMy Dish remote can raise the volume up and down. When shutting off the TV and Hopper the Dish remote puts the soundbar on standby. I also use the optical input on the soundbar.
To change the settings on the soundbar, you must use the Vizio remote control.
A:AnswerHi. Check tv settings for sound and make sure it is set to what you need on the soundbar. Did yours come with optical cable? If so, that is easier to hook up.
A:AnswerThis sound bar will work with your TV, it will not go the full length of your TV though. The subwoofer is placed across from the sound bar and is Bluetooth connected.
I do not know anything about the LG subwoofers.
We are very happy with the sound our sound bar puts out.