Thank you for viewing. This is the legendary digital delay (DD-3) that debuted in 1986 and became a global hit. Judging from the serial number, it was manufactured between 1987 and 1988. Operation has been confirmed. It works normally and can be used without any problems. There are no accessories such as a box. This is an item for the main unit only. It will be shipped wrapped in bubble wrap and placed in a cardboard box. This is a used item, so there are scratches, etc. Please refrain from purchasing if you are sensitive to such things. ・Model Name: DD-3 ・Brand: BOSS ・Function: Digital Delay ・Control Knobs: OUTPUT, INPUT, DIRECT OUT, TIME, FEEDBACK, MODE ・Country of Manufacture: Japan