1. Yes, the Mu-so 2nd Generation can be used as a soundbar when connected using the HDMI ARC port on the underside of the Mu-so 2nd Generation.
2. You can also connect the Mu-so 2nd Generation to a TV via the Digital Input on the underside of Mu-so 2nd Generation.

For more information on connecting the Mu-so 2nd Generation to a TV, see the "Playing Audio via Digital Input" topic.