The KORG AX3G Guitar Modeling Signal Processor is a compact multi-effect pedal featuring the high-resolution 24-bit sound common to all Toneworks units. It features 16 drive/amp models that can be mixed and matched with 10 cabinet models, and a massive set of 57 effects (six can be applied simultaneously). It also features an input for an expression pedal that can act as a wah-wah or as a volume pedal.