This is a junk item. I bought it a long time ago and it worked at first, but the power switch suddenly stopped working, and it has been sitting at my parents' house for over 15 years. Please purchase this item if you are able to repair it. Price reduced from 5,000 to 4,500 yen. BOSS DD-3 Digital Delay, silver, with adjustment knobs for a variety of effects. - Model: DD-3 - Brand: BOSS - Function: Digital Delay - Color: Silver - Connection Terminals: INPUT, OUTPUT, DIRECT OUT - Adjustment Knobs: LEVEL, FEEDBACK, TIME Thank you for looking.