A:AnswerMono, unless connected to another flex speaker via the Bose app. Was able to connect to Bose micro, but then both speakers only played in mono, since did not have 2 flex
A:AnswerYes. There are a few different ones. I think there is a basic Bose speaker bar for your tv. Or there is a set you can build. I haven’t tried them but yes. They exist.
A:AnswerBose typically does not disclose the wattage in their Consumer products. That said, I own 22 Bluetooth speakers and this is the best sounding for the size.