The KORG Ampworks is a modeling signal processor that offers a variety of sounds as a guitar effects unit. Includes the main unit, original box, and instruction manual. This product can also be used with two AA batteries, but a genuine AC adapter is included. (When using batteries, the power turns on when a plug is inserted into the input.) (Product Description) ・The Ampworks provides powerful amp modeling sounds thanks to Korg's "modeling technology." It can be used for a wide range of applications, from line recording to live performances, or even practicing with headphones. ・11x11 amp simulations are possible by combining amps and cabinets. Furthermore, you can create sounds with 9 high-performance effects. These can be easily created with the three selectors for amp type, cabinet, and effects, and the knobs that control the amp section and effects. ・11 preset programs optimized for each amp type, 2 user programs, and manual settings are available. - Model Name: Ampworks - Included Accessories: Instruction manual, AC adapter - AC Adapter Model Number: KORG KA191 - Brand: KORG - Product Type: Modeling Signal Processor Thank you for viewing.