Multi-effects processor, the B1X FOUR. - Model: B1X FOUR - Color: Red - Connectors: Input, Output, USB port - Included: Box, instruction manual, warranty - Function: Multi-effects processor Thank you for viewing. I used this for live performances, and I'm selling it because I bought a new multi-effects unit. It's multi-functional and easy to set up, so it was very useful. I'm selling it to organize my equipment. Box included. ※ Please confirm the following: ・Operation has been confirmed, and there are no problems with use. ・This is a used item, so please understand that no claims or returns are accepted. Also, please refrain from purchasing if you are sensitive to the condition of used items.