Used and in excellent condition, the Darkglass MICROTUBES B3K CMOS Bass Overdrive pedal delivers powerful, defined low-end distortion for bassists seeking aggressive yet articulate tone. This highly sought-after pedal features a unique CMOS transistor design that preserves the natural character of your bass while adding dynamic overdrive. It includes Drive, Blend, Level, and Grunt switches for versatile tone shaping, allowing you to dial in everything from subtle warmth to snarling grit. The rugged, compact enclosure is ideal for gigging musicians and studio players alike. Designed in Finland, this pedal is known for its clarity, punch, and modern edge. Whether you're playing metal, rock, or funk, the B3K delivers tight, responsive performance every time.