This is a multi-effects processor that can be used with acoustic guitars and various other acoustic instruments. I purchased it new and used it for live performances for about six months, but I am selling it because I am changing my equipment. ・Operation confirmed ・Initialized ・There are minor scratches from use, but there is no major damage. ・Includes original box and a cable for connecting a microphone Please understand that this is a used item before purchasing. #ZOOM #A1four #MultiEffectsProcessor #AcousticGuitarEffects #AcousticGuitar #Trumpet #Saxophone #Violin #EffectsPedal #Guitar