Big groan!
When I unboxed my Jambox I immediately turned it on and paired it with my iPad 2. Then I played a song in iTunes and just about fell over in joy! This was perfection, the ideal complement to the iPad for my palliative visiting purposes and worth every penny of the $200 I paid.
Then I plugged it into my computer via USB and with great anticipation I went to the web site. Saw I had to do an update to access the web features. Like EVERY knowledgeable user I did that within ten minutes of unboxing. That turned my Jambox into a Bluetooth brick! I couldn't believe it, thought I'd done something to it . . . resetting, reinstalling . . . Finally I had the, 'can't just be you', moment and found this thread.
The only solution I've found is to use an audio cable to get volume. When you do this you lose all Bluetooth features, speakerphone etc.
I have also had bluetooth audio recording issues with the Jambox.
This is the sharp edge on the double edged sword of 'smart' devices. I hope it can be fixed and soon.