Zoom G1X FOUR Guitar Multi-Effects Processor With Expression PedalZoom G1X Four, Guitar Multi Effects Processor with Expression Pedal, 70+ Effects, 13 Amp Models, 68 Drum Patterns, Looper, Zoom Model ZG1XFOUR. The G1X FOUR comes with ZOOM's expression pedal, which provides control over effects such as volume, wah, delay and pitch G1X FOUR offers over 70 built in effects 13 amp models for simulating classic rigs Up to 5 effects can be used simultaneously, chained together in any order Looper for recording up to 30