A:Answer Oof.
1. If you put ark through hdmi eARC if will control every channel on tv.
2. There are 11 speakers (3 bass, 2 front, 2 sides, 2 diagonal and 2 ceiling speakers.)
3. Sonos dont list the output but trust me it is enough. It shakes the floor in a 20x24 room. Its the loudest and clearest soundbar ive ever heard.
4. Dont really know how to answer, sound is very dense i suppose?
5. Loudest soundbar ive ever heard. Enough to make you deaf easily. If i had to guess id say 110db.