The switch on this looper is very bad quality, there is a spring inside and after decent amount of use the mechanical switch will give out, and the switch will not function properly. I had to open it up and fix it twice already, will not use it in a gig, or even in rehearsals with band.
Another big problem is it cannot handle Line-Level FX loop on amps. In simple words if you are running this pedal in FX loop of your amp, and you hapen to have an amp which has FX loop on line level, this pedal will give you a volume drop. Even though the manual says that it should work on line-level impedance, it doesn't.
And if you loop too many sounds over it, it sound like a mud, also tends to go out of sync.
Review when I bought it:
I play in a post rock band, and I slowly build overlays of various sounds and in the end achieving a massive wall of psychedelia, and looping is quiet essential in this process,therefore I wanted something simple, and due to lack of space on my pedal board I wanted something small. And Ditto-Looper pretty much fits the bill.
It is quiet simple to operate, the instruction manual is barely a page long. Gives you a maximum of 5 mins loop time, true bypass, 24 bit-96Khz sound quality, and a knob to control the voulme of the recorded loops, this I think is essentially what everyone wants from a looper.
And I really like the foot switch of looper, it is quiet soft, allows you to operate it with a subtle press, otherwise in other pedal the footSwitch is a bit more hard to press you need to time things with more concentration.
I have been using this pedal since 7-8 months, and it has been very helpful in coming up with song ideas, I often loop guitars, and play bass and drums, and figure out some new ideas for the song. It is a very helpful tool, this has also in a way helped me to improve my guitar playing ability. It is a nice tool and quiet simple to use, and I totally recommend it.