Multi-effects processor G3n, featuring multiple effects and connection options. - Model Name: G3n - Type: Multi-effects processor - Input/Output Terminals: INPUT, AUX IN, OUTPUT, SEND, RETURN, CONTROL IN, USB, POWER - Switches: FS1, FS2, FS3 - Display: 2 LCD displays - Power: DC 9V Thank you for viewing. [Condition] Box and AC adapter (9V) are not included. I used it for about a year, but there are no functional issues at all. There are some scratches and dirt, but it can be used without any problems.