Selling due to equipment reorganization. Both knobs and switches function without any problems. Please check the photos for the exterior condition. *Please note that I am not considering price reductions at this time. *Instant purchase is welcome. The MXR CUSTOM SHOP Timmy effector allows for adjustments to volume, treble, and clip, enabling versatile changes to your guitar sound. - Model Name: Timmy - Brand: MXR CUSTOM SHOP - Controls: Volume, Treble, Clip - Input Terminals: IN - Output Terminals: OUT Thank you for looking.