ZOOM multi-effect processor multi-effect processor [with manufacturer's 3-year extended warranty] A1 FOUR

15 types of acoustic remodeling to reproduce the unique body resonance of each instrument Includes a microphone adapter (MAA-1) for connecting an instrument clip-on microphone More than 80 types of acoustic instrument effects (A1 FOUR: 82 / A1X FOUR: 90) 7-band EQ, auto-wah, and detuned chorus, each specifically tuned for trumpet, saxophone, harmonica, and violin Anti-feedback effect to suppress feedback Five effects can be used simultaneously and the connection order can be freely rearranged Additional effect/patch memories can be downloaded from the Guitar Lab app for PC/Mac 50 types of effect patches can be stored (both factory and user) Equipped with an expression pedal for real-time control of effects such as volume, pitch, and wah while playing your instrument (A1X FOUR only) Lightweight and compact design that fits in the pocket of your instrument case 18 hours of continuous operation on four AA alkaline batteries Looper function with a maximum length of 30 seconds, which can be used to loop phrases before passing through effects and create sounds for acoustic instruments. 68 rhythm patterns, including rhythms for acoustic instruments such as cajon and Latin percussion. Output EQ that allows you to instantly adjust the overall sound quality to suit your performance environment. AUX IN jack for connecting a music player, etc. Auto-save function that automatically saves effect settings. Built-in chromatic tuner. USB port for connecting to Guitar Lab and for firmware updates. Can be powered by AA batteries, an AC adapter (sold separately), or USB bus power.