Korg KA-390 Power Supply Unit
The KA-390 is the official power solution designed by Korg to keep your performance moving. Delivering a clean 12 V DC at 2.5 A, this adaptor guarantees the voltage stability your keyboards demand. Meanwhile, it protects delicate electronics while maintaining optimum sound quality.
Purpose-built for Your Korg Instruments
Whether you play a B2N at home, an EK-50 on stage, or craft sonic landscapes with Wavestate or OpSix, the KA-390 provides the exact current and connector specification each model requires. No compromises—just plug in and play with complete confidence.
Global Compatibility
With its wide 100–240 V input range, the KA-390 travels effortlessly from rehearsal rooms to international venues. Simply add the appropriate plug adapter and enjoy reliable power anywhere on the planet.
Reliable Construction & Safety
A robust housing, regulated output circuitry, and the correct positive-center polarity protect both the adaptor and your instrument from voltage spikes and mismatched connections. It is the adaptor your Korg deserves.
Key Features
- Stable 12 V / 2.5 A DC output tailored for Korg keyboards
- Universal 100–240 V AC input for worldwide use
- Positive-center 5.5 mm / 3.3 mm connector with internal pin
- Official accessory for B2N, EK-50 series, i3, Wavestate, OpSix, Krome, and Liano
- Durable, lightweight design ideal for studio or touring rigs

