The original adapter's tip is missing, so the price has been reduced. You might be able to find a replacement plug online. It runs on 9V 400mA, so it will work fine with your own adapter or power supply. Please check the condition of the included accessories in the photos. "Microcosm is a granular effects pedal that uses various sampling, pitch-shifting, delay, and looping techniques to rearrange and reinterpret sounds in new and exciting ways. The MICROCOSM offers a variety of effects and is easy to operate with its 8 control knobs. The cascade micro-loop can be fixed to a tight, tap-tempo-synced rhythm, diffused into a large, relaxed ambient texture, or woven into a hypnotic drone. - Model Name: MICROCOSM - Included Accessories: AC adapter, sticker - Control Knobs: 8 knobs (TIME, REPEATS, MIX, LOOP LEVEL, PHASE, etc.) - Switches: TAP, REC/PLAY/DUB switch - Design: Simple gray enclosure with a colorful logo - Power: AC adapter (included) Thank you for viewing.