I use this with my guitar rig. It powers my amp and pedalboard, and sometimes gear of other players as well. This is essentially a very, very nice surge protector and a mild power conditioner in one.
It is a good size, very sturdy, the indicator lights work good and show which outlets aren't properly grounded, and everything works great with it.
It is rugged and I see it lasting many, many years as long as the cord isn't damaged.
It fits nicely into my combo amp's open back (35w solid state amp) for easy transport to and from small gigs, works great with random wiring conditions of various venues, and reduces some of the noise in my guitar setup as well. I really like it for this purpose and it's good to know I'm keeping my semi-expensive gear safe from surges as well.
Recommended. I may buy more for my home electronics as well.