The Zoom A1/A1X FOUR is the first Multi-Effects Processor designed for a variety of acoustic string and wind instruments. With specially engineered effects typically designed to use with the electric guitar, such as Distortion, Chorus and Wah, plus built-in looper and drum machine, The A1X FOUR provides all-new effects that are engineered to process the unique signals generated by acoustic instruments. It is preloaded with over 80 effects, including more than 35 new ground-breaking effects designed and engineered for acoustic instruments. The A1X FOUR comes with 8 additional pedal-controlled effects to adjust volume, pitch, reverb, delay, and wah.