Maxon CS-550 stereo chorus effect pedal. Fine adjustments are possible with three knobs. Famous for being used by char, it features a thick sound. The tone is not as simple as a BOSS, nor as extreme as a Small Clone. No claims and no returns accepted. - Brand: Maxon - Model Name: CS-550 - Effect Type: Stereo Chorus - Number of Knobs: 3 - Input/Output Terminals: INPUT, OUTPUT - Switch Type: NORMAL/EFFECT Thank you for viewing.