The KA350 Power Adapter by Korg is compatible with a variety of Korg electronic instruments including the Wavedrum, microSAMPLER, microKORG XL, Kaossilator Pro, PS60, microSTATION, microPIANO, monotribe and the MS1. It is a 9V DC, 1.7 amp adapter designed for use in 120V electrical power outlets.