This little box is awesome for vocal distortion and megaphone effects.
The presets works perfect and sounds good, tweak filter and drive knobs to get the exact sound you want, it got some range.
Downsides, be super careful with the Mic gain as it's very easy to get monitor feedback on a live stage when engaging the pedal.
It's NOT True Bypass, when the pedal is OFF it does colour the sound a bit and takes some EQ to get rid off.
My solution, a Mic splitter and the pedal on a separate channel.
A bit of tweaking but a great result in the end.