tc electronic SKYSURFER REVERB, offering a variety of reverb effects. - Brand: tc electronic - Model Name: SKYSURFER REVERB - Effect Type: Reverb - Input Terminals: 1/4 inch jack - Output Terminals: 1/4 inch jack - Control Knobs: 3 (SPRING, PLATE, HALL) - Power: 9V DC 200mA Thank you for viewing. I purchased this new a few years ago and used it a few times at home, then stored it. There is a slight stain? on the circled area if you look closely. Please understand this. Comes with the box.