I have to start with saying that I choosed this wha for two reasons; price and the optic technology. I was surprised by the quality of the construction, very robust and heavy enough, no problems here.
The features are almost overwhelming for one who don?t have experience with wha-wha, but you find out how to shape your sound quite easily after some experimenting.
And then... I don?t know wether it?s a common problem or if it only is present on my pedal, but the range of action is set way too short: it goes from no effect to maximum almost at the end of the pedal?s action, wich make it quite difficult, if not impossible, to use. I?ve searched on youtube after ?how to do? vids to see if this issue can be fixed, but found nothing.
So, I keep it because it actually works excellently as a booster, but as a wha-wha... well, at least not mine.