KORG A4 multi-effects unit for guitar. This model is highly regarded as a classic KORG unit from the 90s. [Condition] ・Power on confirmed ・Basic sound output and response of each footswitch confirmed ・No significant scratchiness felt in knobs or switches The exterior is a used item, so there are minor scratches, scuffs, and signs of use, but considering its age, it is in relatively clean condition. *Please check the photos for the condition. [Included Items] ・Main unit only *AC adapter is not included (DC9V center negative) [Please Note] ・Due to the age of the equipment, all detailed functions have not been thoroughly tested for an extended period. ・Please purchase only if you understand that this is a used item sold as is. Instant purchase is OK. Feel free to comment if you have any questions. #koyane instruments