Ampworks, a multi-function modeling signal processor with a variety of effects and cabinet simulations. It can be powered by AA batteries, but a genuine AC adapter is included. - Model Name: Ampworks - Brand: KORG - Accessories: Instruction manual - Power Supply: AC adapter (genuine) - Input/Output Terminals: INPUT, OUTPUT, LINE, AMP, FOOT SW - Knob Type: Program knob, Manual knob Thank you for viewing.