JSA Effects
"Madman with a soldering iron"

Hand built in Derby by the very man who designs them, JSA Effects are boutique built with high quality (often very rare) components and a super-nerd level of attention to detail.

A few words from the builder:
"Two mode tremolo/vibe pedal. With the mode toggle in the up position it's a very gentle vibe (mosfet based) and in the down position its a very aggressive tremolo (JFET mu-amp based). Internal charge pump for more headroom so that it works better with distortion before it. "Always on" rate LED.