Rack-mountable SDD-2000, equipped with equalizer and level adjustment knobs. - Model: SDD-2000 - Connection Terminals: Input/Output terminals available - Power Cable: Included - Control Knobs: Equalizer/Level adjustment knobs available - Design: Rack-mountable Thank you for viewing. Operation has been confirmed. Sound output is working without any problems. As this is a used item, there are some scratches and signs of use on the exterior, but both operation and sound quality are good. Main Features and Capabilities: - A famous digital delay that appeared in the 80s - Famous for being used by many professionals, such as The Edge of U2 - Characterized by warm digital sound and natural delay feel - Supports external MIDI control (with pitch shift function) - Usable not only for guitars, but also for synthesizers and vocals Included Accessories: (All items shown in the photos) No box is included. Recommended for those seeking a thick and three-dimensional delay sound unique to vintage equipment. If you would like additional photos of any specific areas, please feel free to ask. Please understand that this is a used item and make your decision after reviewing the images. Please take a look at the photos and understand that we do not accept any claims or returns. To prevent item substitution after shipping, we cannot accept returns, so please feel free to ask any questions before purchasing.