The MXR MC402 Boost Overdrive combines a rich, warm overdrive with a clean boost in one compact pedal. Designed in collaboration with Custom Audio Electronics, it features a simple layout with Gain, Boost, Tone, and Output controls for easy use. True bypass switching ensures pure signal flow, while high-quality components deliver consistent performance. This used unit is in great condition and works perfectly, offering versatile tone shaping for any guitarists rig.