There are many factors that contribute to the sound of keystrokes, and in addition to the keyboard case itself, the “location” and “material” on which the keyboard is placed also have a significant impact.
Based on that idea, QSPEC developed its mini desk mat, “Calm.”
The company refers to its 60% mini desk mat as a “felt mat for keyboards” and began selling it on September 14, 2026, based on the concept of “preventing the impact of keystrokes from being transferred to the desk.”
What kind of impact will this actually have?
Calm is a mini desk mat we recommend to all users who want to make their keystrokes sound more refined.
When I actually tried it out, I was impressed by how the high frequencies were subtly softened, resulting in a key strike sound that was very pleasant to the ear.
[QSPEC Calm] Summary of Short Reviews

Positive Points
- The sharp, high-pitched parts of the keystroke sounds are lost
- It’s just the right size and easy to use.
- Affordable pricing that makes it easy to give it a try
- Less likely to scratch the desk
Points of Concern and Things to Check Before Purchasing
- A thickness of 5.5 mm may also affect whether or not a palm rest is included.
- Only one color option
Disclosure of Content Affiliation
Calm was provided by QSPEC for review purposes. No payment was received for the creation of this article. The evaluation and content are based on Greenkeys’ editorial judgment. If you make a purchase through the links in this article, GreenEchoes Studio, which operates Greenkeys, may receive compensation.
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Overview and Review Environment for QSPEC Calm
| Item | Details |
|---|---|
| Product Name | QSPEC Calm |
| Product Category | Felt Mat for Keyboards |
| Approximate Size Guide | For 60% keyboards |
| Body size | 320 × 132 mm |
| Thickness | 5.5mm |
| Surface | 100% polyester felt, 2 mm thick |
| Back Side | Foam rubber, 3.5 mm thick |
| Finishing the Edges | Stitched on all four sides; rounded corners |
| Main applications | Prevents the keyboard from coming into contact with the top panel / Reduces vibrations transmitted to the top panel when typing |
| Color | Gray (as listed on Amazon) |
| Price listed on the official store | 2,480 yen (tax included) |
| Sales Page | QSPEC Official Website / Amazon |
Configuration and Environment Used in This Project
- Model: Deadline Studio TPS40 Ortho with XVX Retro Ceramic Keycaps and BSUN Buzz Switches
- Desk Type: Custom-built desk (custom-made tabletop made of 1.8mm straight-grained cedar laminated wood and 1.2mm structural plywood with an oil finish, mounted on KANADEMONO desk legs)
- Operating Environment: macOS X
- Main Use: Writing Japanese texts
My Impressions After Actually Using It
Here are my impressions after actually using QSPEC Calm:
- The sharp, high-pitched parts of the keystroke sounds are lost
- It’s just the right size and easy to use.
- Affordable pricing that makes it easy to give it a try
- Less likely to scratch the desk
- A thickness of 5.5 mm may also affect whether or not a palm rest is included.
- Only one color option
The sharp, high-pitched parts of the keystroke sounds are lost
The most interesting thing was that only the sharpest parts of the keystroke sounds were distorted.
Although subjective factors play a major role, I got the impression that laying down the Calm made the keystroke sounds seem much “softer.”
KawamuraCeramic keycaps, in particular, used to have a distinctive, stiff typing sound, but now they feel “just right.”
It’s just the right size and easy to use.
The 60% size is really the “perfect” size for using small keyboards or keyboards with a 60% layout.








However, if you’re looking for a desk mat primarily for its “appearance,” I got the impression that it might be nice to have options that are a bit longer and wider, such as the “TKL size.”
Affordable pricing that makes it easy to give it a try

The price is also very reasonable.
Given that the cost-effectiveness of desk mats is still an unknown, the price of 2,480 yen (tax included) makes this a product that’s definitely worth giving a try.
Less likely to scratch the desk

This applies only to keyboards that use an “aluminum casing.”
Keyboards with aluminum cases are often heavy, and their weight frequently exceeds 2 kg.
In situations like that, if you “shift” the keyboard on your desk, you might end up scratching the surface.
You can minimize that risk by installing Calm.
For those who want to showcase the wood grain of their desk, Calm—which requires minimal coverage—seems like a good option.
A thickness of 5.5 mm may also affect whether or not a palm rest is included.
On the other hand, there are also some drawbacks.
That is, the fact that it is “thick.”
A thickness of 5.5 mm is high enough to make it worth considering using a palm rest.


This applies only to those who are sensitive to wrist angle, but since the keyboard itself is raised 5.5 mm above the desk surface, you should carefully consider how this will affect your wrist angle before deciding to purchase it.
Only one color option
At this time, the only color option available is gray.
Since competing products offer other color options, some users would like to see a slightly brighter color lineup for certain desks.
Summary | Who Is QSPEC Calm Best Suited For?

That concludes our review of QSPEC Calm.
QSPEC Calm is a felt mat that, when placed under your keyboard, helps control the resonance of keystrokes and the impact on your desk.
With the TPS40 I used this time, I felt that the hard, sharp sound characteristic of ceramic keycaps was softened, and the keystroke sound became more rounded.
Although the sound varies depending on the combination of keyboard and top panel, the fact that you can easily try it out is a big plus.
One of the best-known early products in the “mini desk mat” category is probably “KEEBMATⓇ.”
This product is thicker than KEEBMAT’s felt model, and the felt finish on the surface gives it a higher-quality look.



When placed side by side with its predecessor, the KEEBMAT, the Calm appears thicker, and both its felt surface and the stitching along the edges look meticulously finished.
On the other hand, its 5.5mm thickness also affects the height of the keyboard. If you use a palm rest or are sensitive to wrist angle, you’ll want to check this before purchasing.
If you use a keyboard that covers about 60% of your desk and want to adjust the resonance of keystrokes or the contact with the desk surface without covering the entire desk, this is definitely worth a try.
- Originally published:
- Last updated:
- Research Method: Hands-on testing and reference to the manufacturer’s official website
- Source: https://qspec.jp/pages/calm
- Conflict of Interest: Product provided: Yes (QSPEC) / Article production fee: None / Monetized links in this article: Yes
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