A:AnswerI would think this would work great. My husband uses it outside and the sound is loud when he turns it up. Which he usually does. I think you can connect 2 of these but I haven't tried yet.
A:AnswerI hook it up to my tv headphone out slot using a 3.5 aux cable and it works great. I choose the option on my tv "audio through headphones" when it asks and control volume with the tv remote. Sound is great, you can really tell the difference in sound as opposed to tv speakers
A:AnswerIt worth $108 you will get a great little speaker that will last for years. As far as water resistant I had a friend that dropped in a cooler full of ice water for a while and the speaker still works.
A:AnswerI played music for eight hours around medium volume without any dip in performance. I have had no issues with re-charging the battery but I've only had it for a couple of months. I highly recommend it!