WHAT would guys like this have done in the 70's when I started out when being a bass player also meant you were a furniture mover? Back then, with folded 19's, 810's, 215's, that was every time you went out, and we thought single 15 combos that weighed 60 lbs were a lightweight alternative ! But you knew this going in. If it's a little much for you bud, the geetars and flutes are that-a-way. Geez.
He hasn't reinvented the wheel, just got new alloys. It's still a guitar speaker on a flat baffle, in a plastic tube instead of wooden cabinet. And like anything else open-backed, for bass you can forget it. Hell, I never thought I'd live to see 800 watt amps the size of a cigar box and a 215 that weights 60 lbs.
I keep waiting for this weight mania to extend to other instruments, I'm REALLY waiting to see the new lightweight nine-foot Steinways or composite-shell kettle drums.
Every year, the wheel looks to be re-invented, and it never happens.