BOSS OD-2 discontinued effector. Due to the ACA power supply specification, it will not work with the current PSA adapter. Please check. *Product Condition* ・Slight scratchiness on the drive knob. Otherwise, operation is not a problem. ・ACA power supply untested, but it works with a 9v battery. ・There are scratches, dirt, and rubber deterioration commensurate with its age. *Included Items* ・None Type...Electric Guitar Manufacturer...BOSS