Allows voltage-controlled blending of two audio sources (e.g., two different oscillator shapes) before they hit the folding stage. Tone Shaping Controls:

You can find more detailed video demonstrations and patch examples on DivKid’s module overview or the official Antimatter Audio YouTube channel . Antimatter Audio - Crossfold

The Crossfold is frequently used to create complex harmonic timbres that are otherwise difficult to achieve without multiple modules.