Intensely distorts the sound.
| Parameter | Value | Explanation | 
|---|---|---|
| DRIVE | 0–100 | Adjusts the amount of distortion. | 
| TONE | -100–100 | Sets the tone. Larger settings emphasize the high-frequency range. Smaller settings emphasize the low-frequency range. | 
| BALANCE | 100-0–0-100 (%) | Adjusts the volume balance between dry (the original sound) and effect sound. | 
| LEVEL | 0–100 | Adjusts the volume of the effect sound. |