A:Answerpossibly yes. it is Bluetooth and is not "wired" to anything other than an optical cable. There is an optical cable outlet on the back of my Comcast box. Have no idea how it would work or sound, but yes. You should be able to plug it in. Mine is plugged into the back of my TV and I get the sound of the cable broadcast, as well as everything else. Good luck.
A:AnswerConsider this as just an external speaker for your TV. It's your TV's sound signal that goes to this speaker/sub. Set everything up to to to your TV and set your TV's speakers "off" with sound from your TV going to whatever output you connected the sound bar to.
A:AnswerI don't believe you can, it can be installed to the tv, it does have a Bluetooth feature however but unfortunately it cannot be used with headphones. (To my knowledge)
A:AnswerComes with an HDMI cable, a short optical cable, and a red/white/yellow cable. No receiver needed. I connected a longer optical cable from the sound bar to the TV.
A:AnswerI would get rid of the arc setup and just use the optical cable and the hdmi in. It was acting funny for me with the arc setup but the volume controls are working fine. Hope that helps