Special The Curve - Power supply AC / DC 12V
Indeed, it provides more voltage than the simple 9V battery and allows an internal operating voltage of +22 and -22 Volts which allows a very large dynamic range since it allows to "output * 15VAC with only 0.025% of THD and returns the entry almost unsaturable if you use active microphones like EMG or Fluence.
Comes with universal adapters for all countries (110VAC-240VAC)