AudioFu Chart · October 2026
Best Korg Master Keyboards (up to 25 Keys) 2026
The top pick is Korg NanoKEY 2 Slimline USB MIDI Keyboard Controller ($60). Korg nanoKEY Fold 25-Key MIDI Keyboard Controller leads the high end. Ranked by the AudioFu Index from 7 models, prices checked every night.
Last updated: October 19, 2026
Top 7
Full detail for the 7 highest AudioFu Index scores. Every other model is listed below.
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Korg NanoKEY 2 Slimline USB MIDI Keyboard Controller
nanoKEY 2 white · Korg
39 for sale on Reverb2 finishes at Thomann
- Keys25 keys
The nanoKEY 2 is a neat little controller – perfect for songwriters, beatmakers, or anyone needing a highly portable MIDI keyboard. Don't expect a full-sized piano experience, but it's surprisingly capable for sketching out ideas and triggering sounds on the fly, especially when paired with a tablet or laptop.
Pros
- Extremely portable and lightweight for on-the-go music creation
- Velocity-sensitive keys offer expressive playing capabilities
- Compact size makes it ideal for limited desk space or travel
Cons
- Limited key count restricts complex chord voicings and arrangements
- Mini-USB connector feels dated and prone to damage
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Korg nanoKEY Fold 25-Key MIDI Keyboard Controller
nanoKEY Fold White · Korg
56 for sale on Reverb2 finishes at Thomann
The nanoKEY Fold is a clever little controller, perfect for songwriters, beatmakers, or anyone needing a hyper-portable MIDI input. It's surprisingly fun with the ribbon controllers, but be prepared for a membrane key feel which isn’t for everyone; it's best suited for simpler arrangements and sketching out ideas.
Pros
- Foldable design maximizes portability for travel and small spaces.
- Ribbon controllers offer expressive pitch/mod control beyond standard keys.
- Easy Scale mode simplifies playing in unfamiliar keys and scales.
Cons
- Membrane keys lack the tactile feel of traditional keys, hindering nuanced playing.
- Limited 25 keys restrict complex chord voicings and fast passages.
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- Weight0.65 kg
The microKEY 25 is a fantastic entry point into MIDI keyboard ownership, especially for bedroom producers or those needing a highly portable controller. Its small size and included software make it incredibly accessible, but don't expect a full-sized keyboard experience – the mini keys are a compromise for portability.
Pros
- Compact size ideal for travel and small spaces
- Natural touch mini keys offer surprisingly playable feel
- Arpeggiator and joystick add creative performance options
Cons
- Mini keys limit dexterity for experienced keyboardists
- Plastic build feels budget-conscious, lacks premium heft
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Korg microKEY Air 25-Key Bluetooth / USB MIDI Controller
microKEY Air 25 · Korg
16 for sale on Reverb1 finish at Thomann
The microKEY Air 25 is a fantastic entry point into MIDI control, especially for bedroom producers, songwriters, and mobile musicians. It’s a no-fuss solution for triggering software instruments and adding a keyboard feel to your iPad or laptop setup. Don't expect a concert grand experience, but for its size and price, it’s surprisingly capable.
Pros
- Bluetooth connectivity offers genuine wireless freedom for mobile setups.
- Compact size and lightweight design make it incredibly portable and travel-friendly.
- The included KORG software bundle provides immediate creative possibilities.
Cons
- The mini-keyboard’s action is shallow; not ideal for advanced pianists.
- Limited number of controls restricts complex parameter manipulation.
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The nanoKEY Fold is a clever little device for sketching out ideas on the go. It’s fantastic for songwriters, producers, or anyone needing a super-portable MIDI input – just don't expect a full-sized keyboard experience. The ribbon controllers are a surprisingly nice touch for adding expression.
Pros
- Foldable design offers exceptional portability for mobile musicians.
- Ribbon controllers provide expressive pitch/mod control, surprisingly useful.
- Pre-programmed scales simplify learning and composition for beginners.
Cons
- Membrane keys lack the tactile feedback of traditional keys; feels budget.
- Limited key count restricts complex chord voicings and arrangements.
47AudioFu
Index↓ 23.2%since Aug 17 · lowest so far$141 · Aug 17$108 now$108€96 at Thomann · in stockCheck price ↗ -
The nanoKEY Fold is a clever little MIDI controller perfect for producers, songwriters, or anyone needing a highly portable input device. Its ribbon controllers add a unique expressive element, while the scale modes are genuinely useful for quick songwriting. Just be aware the membrane keys are a compromise for the compact size.
Pros
- Compact, foldable design maximizes portability and storage.
- Alpine Green colorway offers a unique, stylish aesthetic.
- Ribbon controllers provide expressive pitch bend and modulation.
Cons
- Membrane keys lack the tactile feedback of traditional keys.
- Limited 25 keys restrict complex chord voicings and arrangements.
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The nanoKEY Fold is a clever little device for sketching out ideas on the go. Its portability and ribbon controllers make it surprisingly versatile for a keyboard this compact – perfect for bedroom producers, songwriters, or anyone needing a lightweight MIDI controller for mobile music creation. Just be prepared for the membrane key feel, which isn’t for everyone.
Pros
- Foldable design maximizes portability for travel and small spaces.
- Ribbon controllers offer expressive pitch/modulation beyond basic keys.
- Easy Scale mode simplifies playing in unfamiliar keys and scales.
Cons
- Membrane keys lack the tactile feel of traditional piano keys.
- Limited 25 keys restrict complex chord voicings and arrangements.
39AudioFu
IndexStableno change since Aug 17Aug 17$123 now$123€109 at Thomann · in stockCheck price ↗
Master Keyboards (up to 25 Keys) by the numbers
Measured across all 39 models we track, not a sample.
Median $108 — half of all master keyboards (up to 25 keys) here cost less.
median of 23 models · 0.4 kg–2.3 kg
How to choose the best master keyboards (up to 25 keys)
Keybed Feel
Korg's action has always been... well, it's Korg. It's not Fatar, so don't expect the buttery-smooth feel of a high-end stage piano. However, they've improved a lot. The newer models have a decent synth action, responsive enough for expressive playing, though a bit lighter than I personally prefer for piano - more suited to synth and pad sounds. Older ones can feel a bit plasticky.
Sound Engine & Voices
Korg's known for its rich, warm sounds. Their engines, especially in the Kronos lineage, are legendary. Even in these smaller form factors, you get access to a surprising depth of sounds - everything from vintage organs with that gritty tube character to shimmering pads and evolving textures. That characteristic Korg warmth really shines.
Connectivity & Integration
These aren't just MIDI controllers. They're often mini-powerhouses with built-in sounds and effects. USB connectivity is a given, but look for models with audio outputs and CV/Gate for modular synth integration - that expands their usefulness immensely. The DAW integration is generally smooth, too.
Build Quality & Portability
Let's be honest, these are budget-friendly instruments. The build quality reflects that - plastic casings, sometimes a little flex. However, they're incredibly portable, which is a huge plus. You can easily toss one in a gig bag and take it anywhere. Don't expect tank-like durability, though.
Sequencing & Arpeggiation
Korg's arpeggiators are legendary for a reason. They're intuitive, deep, and can create complex rhythmic patterns with ease. The built-in sequencers, even in the more basic models, are surprisingly powerful for sketching out song ideas and creating loops on the fly.
Buying guide
Okay, so you're looking at Korg master keyboards, 25 keys or less. Smart move - these little guys are seriously underrated. They're perfect for tight spaces, sketching out ideas, or adding a layer of sequenced textures without taking up a ton of real estate. Let's break down which Korg models deliver the goods and which ones might leave you wanting more.
Don't expect miracles at this price point. The keybed will be the first compromise you notice, especially if you're used to a heavier, more piano-like action. Prioritize models with a good selection of sounds and solid connectivity - USB audio is a must.
If you're serious about sequencing, look for models with a more robust built-in sequencer and advanced arpeggiation features. Ultimately, these are workhorses - reliable, portable, and surprisingly capable for the size and price.
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 9 master keyboards (up to 25 keys) from the Thomann catalogue (of 39 in the category). Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
Are Korg's mini keys comfortable to play?
It depends. The spacing is tight, so larger hands might struggle with complex chords. It's definitely better suited for single-note lines, pads, and arpeggios than full-blown piano playing.
Can I use these as just a MIDI controller?
Absolutely. They function as excellent MIDI controllers, transmitting MIDI data to your DAW or other hardware. The built-in sounds are a bonus, though.
What's the difference between the microKORG and the microX?
The microX is a significant upgrade. It's got a better keybed, a more powerful engine (Korg's X engine), and more connectivity options. The microKORG is still a classic, but the microX is the clear winner if you can swing the extra cash.
Do these keyboards have aftertouch?
Generally, no. At this price and size, aftertouch is a feature that gets skipped. It's a shame, but not a dealbreaker.
Are Korg's smaller keyboards prone to reliability issues?
They're generally reliable, but the plastic construction means they're more susceptible to damage if mishandled. Treat them with care, and you'll get years of use.
