Thank you for viewing. This item was only used for testing and has been stored in a closet since then. Operation has been confirmed, and the box and other accessories are included. I am selling it because I no longer use it. If you understand that this is a used item, please consider purchasing it. Wah Filter effector that realizes a variety of tones. - Model Name: Noah's Ark Wah Filter - Controls: DRY MIX, FREQ - Output Terminals: OUT - Input Terminals: IN - Power: DC9V Thank you for viewing.