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The Future of Piano Playing Fits Your Hands
Custom ergonomic keyboards for acoustic and digital pianos — tailored to your hands, delivered in weeks.
Played at leading conservatories and by professional pianists
What Is Fairkey?
Ergonomic Instruments – Designed for Professionals, Built for Everyone.
What is Fairkey?
Fairkey builds custom ergonomic piano keyboards — tailored to your hands and built for serious performance.
We offer two main paths:
-
Acoustic upgrades: Replace the keyboard in your upright or grand piano with a fully customized one
-
Digital instrument: A compact, high-end keyboard instrument built with the same Fairkey technology inside
Whether you're upgrading an existing piano or looking for a beautifully designed new one, Fairkey offers a professional, realistic solution — built to play, not to theorize.
What is it that we offer?
Fairkey Digital – Custom Ergonomic Piano
A high-performance digital piano with a level of control and responsiveness that’s simply not possible in acoustic instruments — thanks to our ultra-smooth key action and ergonomic customization.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Fairkey Digital – Left-Handed Version
The same instrument, fully reversed.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
Fairkey Acoustic – Custom Keyboard Replacement
A custom ergonomic keyboard, built to fit directly into your acoustic piano — without needing to send us your original. Our remote measurement system is accurate, foolproof, and fully guided if needed. You can’t make a mistake.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Janko & Alternative Layouts – Digital or Acoustic
We build non-traditional keyboard layouts — including Janko and other symmetric systems — for both digital and acoustic instruments.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Fairkey Digital – Custom Ergonomic Piano
A high-performance digital piano with a level of control and responsiveness that’s simply not possible in acoustic instruments — thanks to our ultra-smooth key action and ergonomic customization.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Fairkey Digital – Left-Handed Version
The same instrument, fully reversed.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
Fairkey Acoustic – Custom Keyboard Replacement
A custom ergonomic keyboard, built to fit directly into your acoustic piano — without needing to send us your original. Our remote measurement system is accurate, foolproof, and fully guided if needed. You can’t make a mistake.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Janko & Alternative Layouts – Digital or Acoustic
We build non-traditional keyboard layouts — including Janko and other symmetric systems — for both digital and acoustic instruments.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Fairkey Digital – Custom Ergonomic Piano
A high-performance digital piano with a level of control and responsiveness that’s simply not possible in acoustic instruments — thanks to our ultra-smooth key action and ergonomic customization.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Fairkey Digital – Left-Handed Version
The same instrument, fully reversed.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
Fairkey Acoustic – Custom Keyboard Replacement
A custom ergonomic keyboard, built to fit directly into your acoustic piano — without needing to send us your original. Our remote measurement system is accurate, foolproof, and fully guided if needed. You can’t make a mistake.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Janko & Alternative Layouts – Digital or Acoustic
We build non-traditional keyboard layouts — including Janko and other symmetric systems — for both digital and acoustic instruments.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Fairkey Digital – Custom Ergonomic Piano
A high-performance digital piano with a level of control and responsiveness that’s simply not possible in acoustic instruments — thanks to our ultra-smooth key action and ergonomic customization.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Fairkey Digital – Left-Handed Version
The same instrument, fully reversed.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
Fairkey Acoustic – Custom Keyboard Replacement
A custom ergonomic keyboard, built to fit directly into your acoustic piano — without needing to send us your original. Our remote measurement system is accurate, foolproof, and fully guided if needed. You can’t make a mistake.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Janko & Alternative Layouts – Digital or Acoustic
We build non-traditional keyboard layouts — including Janko and other symmetric systems — for both digital and acoustic instruments.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Fairkey Digital – Custom Ergonomic Piano
A high-performance digital piano with a level of control and responsiveness that’s simply not possible in acoustic instruments — thanks to our ultra-smooth key action and ergonomic customization.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Fairkey Digital – Left-Handed Version
The same instrument, fully reversed.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
Fairkey Acoustic – Custom Keyboard Replacement
A custom ergonomic keyboard, built to fit directly into your acoustic piano — without needing to send us your original. Our remote measurement system is accurate, foolproof, and fully guided if needed. You can’t make a mistake.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Janko & Alternative Layouts – Digital or Acoustic
We build non-traditional keyboard layouts — including Janko and other symmetric systems — for both digital and acoustic instruments.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Fairkey Digital – Custom Ergonomic Piano
A high-performance digital piano with a level of control and responsiveness that’s simply not possible in acoustic instruments — thanks to our ultra-smooth key action and ergonomic customization.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Fairkey Digital – Left-Handed Version
The same instrument, fully reversed.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
Fairkey Acoustic – Custom Keyboard Replacement
A custom ergonomic keyboard, built to fit directly into your acoustic piano — without needing to send us your original. Our remote measurement system is accurate, foolproof, and fully guided if needed. You can’t make a mistake.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Janko & Alternative Layouts – Digital or Acoustic
We build non-traditional keyboard layouts — including Janko and other symmetric systems — for both digital and acoustic instruments.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Fairkey Digital – Custom Ergonomic Piano
A high-performance digital piano with a level of control and responsiveness that’s simply not possible in acoustic instruments — thanks to our ultra-smooth key action and ergonomic customization.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Fairkey Digital – Left-Handed Version
The same instrument, fully reversed.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
Fairkey Acoustic – Custom Keyboard Replacement
A custom ergonomic keyboard, built to fit directly into your acoustic piano — without needing to send us your original. Our remote measurement system is accurate, foolproof, and fully guided if needed. You can’t make a mistake.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Janko & Alternative Layouts – Digital or Acoustic
We build non-traditional keyboard layouts — including Janko and other symmetric systems — for both digital and acoustic instruments.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Fairkey Digital – Custom Ergonomic Piano
A high-performance digital piano with a level of control and responsiveness that’s simply not possible in acoustic instruments — thanks to our ultra-smooth key action and ergonomic customization.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Built entirely around your hands: choose 88, 97, or 109 keys, with full control over key spacing, width, and feel.
Features our Tendens-inspired soundboard system — not just a different speaker, but a different principle. Unlike conventional loudspeakers, the soundboard radiates with openness and depth, creating a more natural, acoustic-like sound that fills the room without the artificial compression typical of digital pianos.
The keyboard is modular — it can be upgraded, resized, or swapped later as needed. Ideal for growing hands or evolving needs.
Also available in left-handed mirrored layout for reversed orientation.
Fairkey Digital – Left-Handed Version
The same instrument, fully reversed.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
This is not a workaround or compromise — just a precise, mirrored version of our Fairkey Digital. Same smooth action, same soundboard system, same customization in size and layout.
Most makers can’t offer this. We can — because everything we build is designed from the start to fit the player.
Left-handed? No explanation needed. This is how it should be.
Fairkey Acoustic – Custom Keyboard Replacement
A custom ergonomic keyboard, built to fit directly into your acoustic piano — without needing to send us your original. Our remote measurement system is accurate, foolproof, and fully guided if needed. You can’t make a mistake.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Every keyboard is designed by software — not by hand. Using carefully calibrated models, we generate the optimal geometry based on both your piano and your hands. This means we know in advance how a keyboard will perform in your specific instrument — before we ever start building.
When the size stays close to standard, our wooden keyboards usually outperform the original. In smaller formats, the software selects the ideal balance between comfort and performance — based on both your hand and your piano.
If your needs go beyond what wood can handle, we offer high-performance plastic options through Kipi — designed for absolute precision, even in extreme cases. (www.kipi.direct)
It’s not about ideology. It’s about making the best possible instrument — for you.
Janko & Alternative Layouts – Digital or Acoustic
We build non-traditional keyboard layouts — including Janko and other symmetric systems — for both digital and acoustic instruments.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
Unlike most existing builds, these aren't just resized versions of standard keyboards. They're fully re-engineered using our simulation and design tools to ensure they actually play well — with proper key geometry, response, and structural integrity.
We’re currently the only maker with the technology to do this reliably. So if you’ve tried a Janko before and found it awkward or unstable, it probably wasn’t the layout — it was the keyboard.
We fix that.
How to Order Your Custom Fairkey
Getting the Right Fit Is Easy — and Foolproof
Fairkey is the only system that lets you measure both your hands and your instrument with total accuracy — safely, quickly, and with full support.
No risk to your piano. No stress on your hands. No guesswork.
1
Measure Your Hand
3D print our tool (or order one) to get your personal size code.
We’ll help if needed — or you can do it yourself.
or
or
2
Measure Your Instrument
(Only for acoustic orders)
We’ll guide you if needed — and set up a shared folder with everything you need.
-
Upright pianos: Can be measured in place
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Grand pianos: The keyboard and action slide out easily once the cheek blocks and fallboard are removed — a standard, non-invasive procedure any technician can do
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No shipping required — You never need to send your current keyboard
3
Place Your Order
Once you’ve chosen your layout and (optionally) measured your hand and instrument, you can place your order in our online store.
We’ll double-check all specs with you before we start building.
Need help before or after ordering? Just reach out.
📧 Prefer email? Write us directly at info@kaduk.nl
Choose Your Instrument
A new digital standard
Fairkey’s digital instrument is compact, beautifully designed, and uncompromising in playability.
Built with the same custom keyboard technology as our acoustic upgrades, it offers unmatched comfort and control — far beyond anything else in its class.
You still get the right key size for your hands, and our simple 3D-printed tool ensures it’s exactly right. No guesswork. No compromises.
Built with the same custom keyboard technology as our acoustic upgrades, it offers unmatched comfort and control — far beyond anything else in its class.
You still get the right key size for your hands, and our simple 3D-printed tool ensures it’s exactly right. No guesswork. No compromises.
Upgrade Your Acoustic Piano
Fairkey builds fully custom keyboards for upright and grand pianos — tailored to your hands, optimized for your instrument, and delivered in weeks.
No need to send us your piano or remove your existing keyboard. Our foolproof measuring system makes it easy to get the perfect fit, without risk or complexity.
All Fairkey acoustic keyboards are made from wood and carefully matched to your instrument — combining great playability with real-world durability.
No need to send us your piano or remove your existing keyboard. Our foolproof measuring system makes it easy to get the perfect fit, without risk or complexity.
All Fairkey acoustic keyboards are made from wood and carefully matched to your instrument — combining great playability with real-world durability.
Clara
-
Piano Teacher
"One of my younger students used a loaned Yamaha U1 with a 7/8 Fairkey keyboard for several months, and the difference was immediate. Her posture improved, her hand tension dropped, and suddenly she could shape phrases without struggling against the instrument.
I’ve also had the chance to try the Fairkey digital briefly, and it felt remarkably fluid and natural. I honestly hope we can find a way to get one at the studio — it would open up so many possibilities. "
Contact Us
Get in Touch
Interested in placing an order or learning more? Simply reach out today.
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