Has Anybody Else Heard These?

I had not heard of the Tribe Tower but did some reading just now.  I wonder how two 4” mid/bass drivers can reproduce the full range of music that larger drivers can.  The bass is said to be impressive given the small size.  I just can’t imagine such an arrangement competing with some of the better loudspeakers — and at $5,000 for the pair, there are a lot of speakers to compare.  I would be interested in hearing back from any of you that audition these.