Korg plugKEY

$168.00

4.5 (3)

1 Critic Review

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Page last updated May 20, 2026

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$168.00 Used

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Description

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Unlock the full potential of your iOS device with the Korg plugKEY, a portable MIDI and audio interface that seamlessly integrates your favorite MIDI keyboard with iOS music apps. Whether you're in the studio, on stage, or simply jamming at home, the plugKEY offers a simple, no-nonsense solution to connect and play. Just plug the Lightning connector into your iPhone or iPad, attach your MIDI keyboard, and dive into a world of rich musical instrument apps like KORG Module and GarageBand.

The plugKEY doesn't just stop at MIDI connectivity; it transforms your device into a full-fledged audio interface. The studio-quality 1/4" outputs ensure that your sound is stage-ready, while the headphone jack with a volume control allows for private and precise listening. Plus, the microUSB charging port means you can keep your device powered up during extended sessions, ensuring your creativity is never cut short by a depleted battery.

Designed with portability in mind, the plugKEY's compact form factor is similar in size to an iPhone, making it a discreet yet powerful companion for any musician. Its robust design is built to withstand the rigors of live performances and studio work alike, making it an essential tool for musicians who demand reliability and quality.

Key Features:

MIDI and audio interface designed for iOS devices with a Lightning connector
Dual 1/4" outputs for high-quality audio and reliable sound delivery
Headphone output with volume control for personal and precise audio monitoring
MicroUSB port for simultaneous device charging
Compact, portable design ideal for studio or stage use

Product specs

Brand	Korg
Model	PLUGKEY-WH Mobile MIDI/Audio Interface for iOS with Lightning
Finish	White
Year	2010s
Categories	Audio Interfaces
Bit Depth	24-bit
Bus-Powered	Yes
Compatibility	iOS
Computer Connectivity	USB
Electronics	Analog, Digital, Solid State
Format	Compact Portable
Number of Analog Inputs	0
Number of Analog Outputs	2
Number of Channels	2
Number of Digital Inputs	0
Number of Digital Outputs	0
Number of Headphone Outputs	1
Number of MIDI Inputs	1
Number of MIDI Outputs	0
Number of Mic Preamps	0
Sample Rate	48 khz

FAQs

What devices are compatible with the Korg plugKEY?: The Korg plugKEY is compatible with iOS devices, specifically those with a Lightning connector, allowing you to use your iPhone or iPad as a MIDI instrument.
Can the Korg plugKEY charge my iOS device while in use?: Yes, the Korg plugKEY allows you to charge your iOS device while it's connected and in use, ensuring uninterrupted performance.
What type of audio outputs does the Korg plugKEY provide?: The Korg plugKEY features studio-quality 1/4" jack audio outputs, enabling high-quality sound output from your iOS device.
Is the Korg plugKEY suitable for mobile music production?: Yes, the Korg plugKEY's compact and portable design makes it ideal for mobile music production, allowing you to create and play music on the go.
Does the Korg plugKEY require an external power source?: No, the Korg plugKEY is bus-powered, meaning it draws power directly from your connected iOS device, eliminating the need for an additional power source.

Videos

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Reviews

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Korg plugKEY.

Features and functionality

0 0

The Korg plugKEY charges via Lightning while transmitting MIDI and sending audio, making it a multifunctional tool for iPad users.
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The Korg plugKEY allows MIDI in and audio out, while simultaneously powering the iPad, making it ideal for users needing simple connectivity for live play.
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Software and compatibility

0 0

Some users have experienced significant latency issues when using the plugKEY with the iPolysix app.
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0 0

Some users struggle to configure the plugKEY with specific apps like Moog, indicating potential compatibility issues that require further troubleshooting.
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0 0

Users aiming to use a USB MIDI controller like the NanoKey may find the plugKEY limited, as it supports only DIN MIDI, not USB MIDI.
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Comparisons

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While functional, the plugKEY is considered under-featured compared to other iPad interfaces that offer analog audio input and expanded MIDI capabilities.
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Users considering the Korg plugKEY also look at the iRig Pro Duo for its additional MIDI in/out and audio in/out capabilities, though it doesn't power the iPad.
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Use cases and applications

0 0

Ideal for users needing MIDI input and 1/4" audio output, though it could be priced more competitively.
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0 0

Successful MIDI functionality often requires app-specific adjustments, such as ensuring the app can locate the MIDI source/channel.
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0 0

The plugKEY is suitable for DIN MIDI use, appealing to those who want to connect vintage or professional MIDI gear to their iPad.
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User experience

0 0

Despite its practical design, latency problems make it less usable for some, specifically when integrating with Ableton.
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Setup and maintenance

0 0

Proper dip switch settings on the Keystep are crucial for MIDI transmission; users found this resolved connectivity issues with Korg Gadget.
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Critic Reviews

Korg plugKEY Mobile MIDI/Audio Interface For iOS - Modules and MIDI - Harmony Central

harmonycentral.com

The Korg plugKEY is a compact and sturdy MIDI/audio interface that enhances iOS devices by adding MIDI input and robust line output jacks. Its portability and quiet operation make it ideal for musicians on the go, especially those using older 5-pin MIDI gear. However, its lack of USB MIDI support and audio inputs limits compatibility with modern controllers and recording applications. While it excels with compatible equipment, the plugKEY could benefit from added features in future iterations. Overall, it's a handy tool for certain setups, but not a one-size-fits-all solution.

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