The Roland PSB-120 Power Adaptor is an AC adaptor that works with a number of Roland/Boss products. The PSB-120 power adapter can be used in place of the PSB-1U adapter.
Specifications:
Input voltage: 120V
Output voltage: 9V, 2.0 amps
Specifications:
Input voltage: 120V
Output voltage: 9V, 2.0 amps