The following is the recommended power adapter for the CUBE STREET EX.
CAUTION: The use of any other power adapter may cause malfunction and/or permanent damage to the CUBE STREET EX.
Roland PSB-12U and AC cord
*This AC adapter is sold as a spare part, and the compatible voltage of the AC cord (sold separately) varies depending on the country/region. For more details, please contact the distributor or support in your area. https://www.roland.com/global/