KTT F2 vs. HMX FJ400

Overview

When it comes to choosing the right mechanical keyboard switches, the KTT F2 and HMX FJ400 linear switches each bring their own unique characteristics to the table, appealing to different types of users. The KTT F2 stands out with its distinct hollow sound signature that adds an auditory flair to the typing experience. Its medium-light weight strikes a harmonious balance, enabling a comfortable and enjoyable keystroke without being overly forceful. Moreover, the lightly textured feel of the F2 provides a subtle tactile feedback, which can enhance typing precision and enjoyment. On the other hand, the HMX FJ400 serves as an excellent middle ground among HMX Film switches, boasting a balanced sound profile that caters to those who prefer a more nuanced auditory experience without overwhelming sound. While the F2's unique sound and texture might appeal to those seeking an engaging tactile experience, the FJ400 might be more suited for individuals who appreciate a balance in both sound and feel. However, let's dive in a bit deeper beyond generalities so you can best decide on the best switch for you.

By the numbers

KTT F2 Linear

HMX FJ400 Linear

$3.90 per 10

$3.50

$3.29 per 10

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Housing materials

The KTT F2 features polycarbonate housing for both its top and bottom components, while the HMX FJ400 utilizes a combination of different materials with POM for the top housing and nylon for the bottom housing. The choice of polycarbonate in the F2's construction contributes to a sharper, higher-pitched, and more resonant sound profile, making it well-suited for users who prefer a crisper auditory experience. Notably, the translucency of polycarbonate enhances the switch’s capability to showcase RGB lighting aesthetics effectively. In contrast, the FJ400's POM top housing is noted for producing a unique and pleasing sound profile that is deeper and more muted, which can appeal to users looking for a more subdued auditory feedback.

When examining the bottom housings, the KTT F2 again sticks with polycarbonate, which maintains that high-pitched crispness inherent to its design. In comparison, the HMX FJ400 employs a nylon bottom housing, which is a classic material commonly associated with a fuller, deeper, and more rounded sound profile. This softer material absorbs sound more effectively, introducing a duller quality that can dampen the impact of the switch's auditory feedback. The contrasting materials in the bottom housing of the FJ400 might create a balance, offering a blend of characteristics where the deeper sound from the nylon can soften the overall auditory output, in juxtaposition to the sharper tones produced by the polycarbonate bottom of the F2.

In essence, the differences in housing materials between the KTT F2 and HMX FJ400 will result in distinct sound profiles, dictated largely by the materials used in both the top and bottom components of each switch. Users who prefer a clearer, crisper experience may gravitate towards the F2, owing to its consistent polycarbonate construction. Conversely, those looking for a warmer, more muted sound may favor the FJ400. However, if a switch's top and bottom housings are composed of the same material, the outcome would be an amplified expression of that material's specific auditory characteristics, leading to a more unified sound experience when typing or actuating the switch.

Weight

When comparing the KTT F2 linear switch and the HMX FJ400 linear switch, we see notable differences in their actuation and bottom out forces. The F2 features a lighter actuation force of 43 grams and a bottom out force of 53 grams, categorizing it as medium-light, which can facilitate longer typing sessions without fatigue. In contrast, the FJ400 requires a slightly heavier actuation force of 50 grams and a bottom out force of 58 grams, placing it in the medium range. This difference may appeal to users who prefer a more substantial push feel, providing tactile feedback during typing. Ultimately, if you lean towards a lighter switch for extended use, the KTT F2 would be the better choice, while the HMX FJ400 is suited for those who appreciate the sensation of a heavier switch during gameplay or heavy typing.

Travel distance

The KTT F2 linear switch features a travel distance of 3.5 mm, while the HMX FJ400 linear switch has a slightly longer travel distance of 3.8 mm. This difference of 0.3 mm positions the F2 as the shorter option, which may appeal to gamers and those seeking quicker response times. In contrast, the FJ400, with its greater travel distance, offers a more substantial feel that some users may find more satisfying for typing or gaming, as it can provide a sense of depth that shorter switches might lack. Ultimately, the choice between these two switches will depend on personal preference for either a snappier response or a more pronounced key press sensation.

Price comparison

Typing experience

When it comes to sound, the KTT F2 switch is characterized by a distinct hollow sound signature that gives it a unique auditory presence. This switch features a neutral and subdued profile, making it a versatile choice suitable for various environments. The combination of its moderate actuation force and dampened sound provides a comfortable auditory experience, whether you're using it in a quiet office or a bustling home setting. In contrast, the HMX FJ400's sound profile is described as balanced, which implies that it may not stand out in the same way as the F2. Users might expect a more uniform sound experience with the FJ400, which can be appealing but lacks the unique character that the F2 provides.

Feeling the switch is where the KTT F2 truly shines. It is characterized by a feathery, mild, and subtle touch that promotes an exceptionally comfortable typing experience. With low actuation force, the F2 minimizes finger fatigue, making it ideal for extended use, whether for gaming, studying, or day-to-day work. Its lightly textured feel adds another layer of sensory feedback, enriching the typing experience. The FJ400, on the other hand, does not have specific descriptors available, so it’s unclear how its feel compares. However, if it aligns with the balanced sound profile, it may also offer a moderate feel suitable for most users.

In summary, the KTT F2 linear switch excels in both sound and feel, boasting a unique auditory signature and a comfortable typing experience that make it a standout option for newcomers. The HMX FJ400 presents itself as a more balanced alternative, particularly in sound, but lacks specific details regarding tactile feedback. While both switches are aimed at providing a pleasant typing experience, those who value distinctive auditory and tactile characteristics may find the F2 more appealing. Ultimately, your preferences will dictate which switch serves you best, but both offer solid options in the realm of linear switches.

Conclusion

To conclude, the choice between the KTT F2 and the HMX FJ400 linear switches ultimately depends on your specific preferences and typing habits. If you value a lighter touch with a unique sound profile, the KTT F2 is an excellent option. Its medium-light force of 53 grams makes it perfect for prolonged use without causing finger fatigue, while the feathery and subtle feel supports a comfortable typing experience. This switch is particularly ideal if you work in a shared environment or enjoy a less intrusive auditory presence with its subdued sound. On the other hand, if you prefer a slightly stiffer keystroke that provides a more robust feedback without too much effort, the HMX FJ400’s 58 grams of resistance may be more to your liking. It offers a balanced sound profile that sits comfortably in the middle of the spectrum, making it suitable for varied purposes, from office work to gaming. Ultimately, assess your needs for tactile feedback, sound preference, and typing comfort to determine which switch aligns with your unique style.

Mentioned in this article

KTT F2 Linear

$3.90 per 10

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HMX FJ400 Linear

$3.50

$3.29 per 10

Learn more