Mattoverse AirTrash modulation and there are loads of

and there are loads of unique tones available if you take the time to explore

9V Battery (not-included) or DC9V Power - Standard Boss Style Center-Pin-Negative power supply only (not-included): Current draw is dependent on the size of the external speaker cab

and the Warble Swell Echo MKII in one enclosure

to burbling glugs

Mattoverse AirTrash modulation and there are loads ofThe AirTrash is a pedal for guitar or bass that sounds like absolute garbage. I was breadboarding an idea and happened upon some absolutely sickening sounds, like really bad, but couldnt stop playing it. I spent a lot of time trying to refine and improve it, make it less noisy, more controllable etc.. but these changes always ended up sucking the fun right out of it so decided let it be the simple disgusting beast that it is. It works well with guitar