Reviews by bfields
So many knobs!
Lots of knobs to twiddle, but it's all pretty well labeled and easy to figure out. The one thing I needed a manual for was the expression pedal--it wasn't obvious to me that you need to push on it with your toe for a moment to activate the interesting expression-pedal functions.

I'm not an expert, but the results sounded pretty good to me.
Simple and Addictive
Instant multitrack recording--great practice, lots of fun. I bought a similar pedal for myself as soon as I returned this one.
One more cable would make it more useful
From the overview: "a second footswitch engages a power booster for soloing. This works double duty to turn on an effects loop."

Note to make this work you need a special cable (see p. 7 of the manual). I *think* something like this: is what's needed?

That would allow hooking up any of the library's other pedals and enabling/disabling them as a group. This doesn't look like the kind of thing people will have laying around, so it would be nice to include one.
pew pew
Manufacturer's product site:
Direct link to manual pdf:

Your choice of low-, high-, or band-pass filter with cutoff frequency controlled either manually by an expression pedal (not included; I have a Yamaha FC7 which worked fine) or by a sweep triggered automatically by its guess at when notes start. In the latter case you can choose the range and tweak the sensitivity of the triggering.

Executive summary: lots of cool "pew pew" sounds. I like it!

The manual warns that with some settings it can be "INCREDIBLY loud." They aren't kidding. Definitely keep your amp volume very low while you're plugging things in and experimenting with the settings.
Addictive, lots to explore.
Easy to get started with, lots to learn if you want. Much bigger and heavier than the Kaossilator 2, but the bigger pad also makes it easier to play precisely. Lots of pre-made sounds and rhythms to mix together. It all seems aimed at electronic dance music of some kind, but you could probably use it for other stuff with some effort. Kind of addictive. I didn't get to explore very much of it.