CB-404: Is the included orange knob available separately? July 27, 2023 07:15 Updated Follow No. The included knob set is not available separately. *The orange knobs only work with the SP-404MKII model. Related articles CB-404: I want to change the knobs but can't easily remove them from the SP-404MK2 unit. SP-404MK2: System Program Version Update SP-404MK2: What kind of SD cards can I use? SP-404MK2: Can I sample the external input while playing back a pattern, without recording the pattern audio? SP-404MK2: Can I record a pattern in chromatic mode?