The Groundswell full overdrive with a natural response to picking intensity. It features two transistor based gain stages, so it doesn't have that artificial over-clipped sound like many "overdrive pedals" out there. No compression, just gain and drive! Dual gain stages and a voltage reducer that alters total amount of gain, as well as feel and response to pick attack.
I originally built the Groundswell for myself, my goal being a unique overdrive with a natural feel and sound. After getting a lot of requests to build more, I decided to make it available in small quantities. Users' reactions have been really exciting!