Korg KA-390 Power Supply Unit

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