I have the 1x15 and I love the sound, but can't manage the avoirdupois. It's 65 lb with one small strap handle on top. Here is a pic in its combo configuration:
I have played outdoor gigs with it without any problems being heard. In fact, I got compliments from the audience, which hardly ever happens to a bass player -- or, at least, this bass player.
The tone can be EQ'd to sit in the mix so you don't have make everyone's ears bleed to be heard.
For now I'm using it as a head, with two 10" G-B boxes (13 lb + 2x16 lb) which is more manageable (I'm getting around in a wheelchair following major surgery -- but still getting out to play).
Here's what that looks like:
Check out the thread linked earlier. Most of us who have one love it. I won't sell mine.