Valeton Guitar Distortion Effects Pedal (COD-1) Sound based on the legendary TUBE SCREAMER* overdrive pedal JRC 4558 chip for original tasty tube overdriven tone Great booster as well, ideal for pushing an overdrive/distortion pedal (or an overdriven amp) over the edge 100% Analog signal path; Buffer bypass Zinc-alloy die cast casing to withstand wear and tear