All the characteristics are presented in this useful multi purpose (I think) and then others have already spoken before me.

UTILIZATION

The general config is simple once you have picked the operation of the knobs.
I may be reading the user manual diagonal parcequ'au beginning I did anything.
I can not find the manual using a precisely how to do things a little fiddling but it quickly falls back on his feet. (I personally find it too precise for some tricks and the vague and should specify)

SOUND QUALITY

I love this brand because to a decent budget effects are quite crystalline.
I was playing before a Boss GT6 and I hear a real difference with the obvious G Major.
I play guitar well made and the rest of my stuff is good but before that I had already tried that of a friend of my old stuff and it hurt a difference.
I do planks for quite longtps to really be able to criticize a effet.Je spent considerable time to resolve them and so far I board not the desired result but I know the bike can do it.

OVERALL OPINION

I did that for QLQ ais weeks.
I like the fact that it is crystalline (enough for my taste anyway), both rack and not very expensive.
I wanted to buy one since longtps and I'm not disappointed.
The value for money is good I trouve.Bonne quality for a price "affordable".
I will leave this stuff to live if I had to rethink.