HMX FJ400 vs. KTT Rose

Overview

When it comes to choosing the perfect mechanical keyboard switch, the HMX FJ400 and KTT Rose both stand out as impressive linear options, each offering distinct characteristics that appeal to different preferences. The HMX FJ400 is known for its balanced sound profile, positioning it as a versatile choice for typists who appreciate a harmonious auditory experience while typing. In contrast, the KTT Rose is celebrated not only for its aesthetic appeal but also for its innovative use of progressive springs, which provide a uniquely substantial yet satisfying typing feel. Users of the Rose enjoy the deeper, bassy sound reminiscent of raindrops, adding an immersive layer to their typing experience. Ultimately, while both switches cater to those who favor linear feedback, their unique attributes can lead to vastly different typing experiences. However, let’s dive in a bit deeper beyond generalities so you can best decide on the perfect switch for you.

By the numbers

HMX FJ400 Linear

KTT Rose Linear

$3.50

$3.29 per 10

$3.01 per 10

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Housing materials

When examining the housing materials of the HMX FJ400 and the KTT Rose, a stark contrast emerges in the top housing. The FJ400 employs POM (Polyoxymethylene), a material noted for producing a deep and relatively muted sound profile. This contrasts with the KTT Rose's polycarbonate top housing, which is recognized for its capability to generate a sharper and crisper sound profile due to the stiffer nature of polycarbonate. While the FJ400 delivers a more subdued acoustic signature, the KTT Rose benefits from polycarbonate's translucency, enhancing the visual appeal when RGB lighting is employed. Thus, the two switches cater to different auditory atmospheres and aesthetic preferences, shaping the overall user experience distinctly.

However, both switches feature nylon as their bottom housing material, which provides a common ground in their sound characteristics. Nylon is praised for its ability to absorb sound, resulting in a deeper and fuller auditory experience that is consistent across different designs. As both the FJ400 and the Rose integrate nylon at the bottom, users can expect a similar roundness and depth in sound during keystrokes. The softer nature of nylon allows for a more muted impact on bottom-out sounds, creating a pleasant tactile feedback regardless of whether the switch uses POM or polycarbonate at the top. This commonality ensures that, despite their differences up top, both switches can deliver a satisfying auditory element through the synergy of their bottom housings.

The interplay between the top and bottom housing materials also underscores how these switches achieve their respective sound profiles. The FJ400's POM top housing, while favoring muted sounds, allows the nylon bottom housing to enhance that depth, resulting in a cohesive auditory signature suitable for those looking for a more relaxed typing experience. In contrast, the KTT Rose's top housing maximizes clarity and sharpness, yet benefits from the full-bodied sound provided by its nylon bottom. Therefore, users can expect a nuanced interaction where the top housing's material distinctly influences the release sound, while the nylon bottom housing ensures a consistently pleasing experience across both models, showcasing how varied materials can converge to shape user expectations.

Weight

Comparing the actuation and bottom out forces of the HMX FJ400 linear switch and the KTT Rose linear switch reveals some notable differences. The FJ400 has an actuation force of 50 grams and a bottom out force of 58 grams, categorizing it as a medium force switch. In contrast, the KTT Rose switch does not have a specified actuation force but has a bottom out force of 63.5 grams, which is considered medium-heavy. This indicates that the Rose switch is heavier overall, offering a more substantial push feel which some users might prefer for a more tactile typing experience. Conversely, the FJ400, being lighter with its actuation force, would be more suitable for those who type for extended periods, reducing fatigue during long sessions at work or while gaming. The similarities in their bottom out forces highlight that both switches provide a robust keystroke experience, but the FJ400 allows for easier actuation, making it more appealing for prolonged use.

Travel distance

When comparing the travel distances of the HMX FJ400 linear switch and the KTT Rose linear switch, we find that the FJ400 has a travel distance of 3.8 mm, while the Rose features a slightly longer travel distance of 4.0 mm. This makes the FJ400 the shorter option and the Rose the longer one. For users who prioritize responsiveness, the FJ400's shorter travel distance may provide a faster key actuation, appealing particularly to gamers seeking quicker response times. In contrast, the KTT Rose, with its greater travel distance, might appeal more to users who prefer a more pronounced and satisfying keypress, avoiding the abruptness that can accompany shorter travel distances. Thus, the choice between the two hinges on individual preferences for key feel and actuation speed.

Price comparison

Typing experience

When it comes to sound, the HMX FJ400 linear switch stands out for its balanced profile, creating a typing experience that is neither overly loud nor too muted. This makes it suitable for various environments, from quiet office settings to home use. In contrast, the KTT Rose switch presents a more distinct auditory character, featuring a low-pitched sound that leans towards a bassier, mellow tone. Complemented by a neutral sound profile, the Rose switch produces gentle, rounded sounds while typing, making it a delight for users who appreciate a deeper acoustic signature without being overly intrusive.

In terms of feel, the FJ400 offers a well-rounded typing experience that serves as a solid middle ground among various switch characteristics, though specific details about its feel remain unspecified. Meanwhile, the KTT Rose linear switch provides a mild typing experience that is approachable for users of all levels. The polished nature of these switches contributes to their smooth key travel, resulting in minimal friction and making each keystroke feel refined and effortless. This combination of mildness and polish creates an enjoyable typing experience that many may find particularly pleasing.

Overall, both the HMX FJ400 and KTT Rose switches cater to different preferences in sound and feel, yet both offer satisfying experiences in their own right. While the FJ400 provides a balanced sound and an unspecified feel, the KTT Rose entices users with its bassy acoustics and a smooth, polished touch. Choosing between them ultimately depends on whether you prefer a solid, versatile option or a more unique sound profile paired with a refined typing experience. Either way, both switches promise to deliver a quality typing experience, ensuring satisfaction for a variety of users.

Conclusion

To sum up, your choice between the HMX FJ400 linear switch and the KTT Rose linear switch largely depends on your preferences regarding typing feel, sound profile, and intended use. If you prefer a medium bottom-out force that offers a balanced sound profile, the FJ400 is an excellent pick, especially if you value a typing experience that's not excessively heavy, which is great for extended typing sessions, whether for work or gaming. Its versatile sound and feel make it approachable for beginners and enjoyable for seasoned users alike. On the other hand, if you’re looking for a more substantial typing experience with slightly heavier actuation, the KTT Rose may be your best bet. Its 63.5-gram bottom-out force provides a distinct and satisfying resistance, and the low-pitched, bassy sound coupled with a polished feel can enhance your overall typing enjoyment. The progressive springs add a unique touch that allows for a smoothly refined key press, ensuring a lovely auditory and tactile feedback. Ultimately, consider your typing style, the sound environment you'll be in, and personal comfort when making your decision between these two delightful switches.

Mentioned in this article

HMX FJ400 Linear

$3.50

$3.29 per 10

Learn more

KTT Rose Linear

$3.01 per 10

Learn more