Power Your Korg Products with a Genuine Korg Power Supply The Korg KA-390 provides proper power for your Korg B2N, EK-50, EK-50L, i3, Wavestate, or OpSix. Having a compatible power supply is critical for your equipment to perform its best, and the KA-390 is made to do the job effectively and safely. If you need the right power supply for your Korg gear, get the KA-390 from GearNuts. Note: The Korg KA-390 does not include a North American-compatible outlet prong. The prong can be found here. The complete power supply can be found here. For more information, contact your GearNuts Sales Engineer. Korg KA-390 12V 2500mA Power Supply Features: Provides proper power for your Korg gear Designed for Korg B2N, EK-50, EK-50L, i3, Wavestate, and OpSix 12V DC/2500mA