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HMX FJ400 vs. KTT Mannan Pipefish

An in-depth look at the HMX FJ400 and the KTT Mannan Pipefish switches—which one is the best fit for you?

Overview

When comparing mechanical keyboard switches like the HMX FJ400 and the KTT Mannan Pipefish, both distinguished by their linear characteristics, users can glean valuable insights into their unique qualities. The HMX FJ400 stands out in the HMX Film switch lineup as a middle ground option, offering a balanced sound profile that caters to typists seeking a harmonious auditory experience while typing. In contrast, the KTT Mannan Pipefish offers an exceptionally smooth linear action, reinforced by a lengthened spring and a light 45g actuation force, making it an ideal choice for casual typists seeking comfort and precision. While the FJ400 provides a more neutral sound profile that may appeal to users prioritizing an overall balanced experience, the Mannan Pipefish excels in creating an effortless and enjoyable typing sensation, particularly for those looking to minimize strain during extended use. However, let's dive in a bit deeper beyond generalities so you can best decide on the ideal switch for your typing needs.

By the numbers

Technical specifications

Actuation force

50g

Actuation force

37g

Bottom-out force

58g

Bottom-out force

45g

Pre-travel

2.00 mm

Pre-travel

1.90 mm

Total travel

3.80 mm

Total travel

4.00 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Standard

Stem material

T2

Stem material

POM

Top housing material

POM

Top housing material

Polycarbonate

Bottom housing material

Nylon

Bottom housing material

Nylon

Mount type

PCB (5-pin)

Mount type

Plate (3-pin)

Spring

22mm single-stage spring

Spring

22mm spring

Housing materials

The HMX FJ400 and the KTT Mannan Pipefish utilize different materials for their top housing: the FJ400 features a Polyoxymethylene (POM) housing, while the Mannan Pipefish uses polycarbonate. The POM material of the FJ400 is noted for producing a deeper, more muted sound profile, which can provide a unique auditory experience for users who prefer a softer, warmer typing sound. In contrast, the polycarbonate top housing of the Mannan Pipefish delivers a sharper, higher-pitched sound that is clearer and more resonant. This difference arises from polycarbonate's stiffer nature, which allows for greater sound transmission and articulation. While both materials offer distinct auditory profiles, the FJ400's POM creates a more subdued environment compared to the clarity and brightness associated with the Mannan Pipefish's polycarbonate.

Both the HMX FJ400 and KTT Mannan Pipefish share nylon as their bottom housing material. This commonality is significant as nylon is well-regarded in the keyboard community for producing a deeper and fuller sound. This is attributed to its softer plastic properties, which tend to absorb sound better than harder materials. Therefore, when typing on either switch, users can expect a muted and rounded sound quality that enhances the overall typing experience. The nylon bottom housing becomes prominent in its contribution to the bottom-out sound and feel, ensuring that regardless of the top housing material, users will experience a consistent auditory foundation brought by the nylon housed in both switches.

While the top housing materials of the HMX FJ400 and KTT Mannan Pipefish produce relatively different sound profiles, the shared nylon bottom housing serves to create a more unified auditory experience. The enhanced depth provided by the nylon material can help offset or complement the qualities from the individual top housings; hence, the HMX FJ400's deeper, muted tone from the POM is balanced by the rounded mellowness inherent in nylon, while the bright, clear sound of the Mannan Pipefish is anchored to the same fuller sound that nylon provides. In this way, users can achieve a cohesive typing sound, even with the contrasting tonal nuances offered by their respective top housing materials.

Weight

When comparing the HMX FJ400 linear switch and the KTT Mannan Pipefish linear switch, significant differences emerge in both actuation and bottom out forces. The FJ400 requires an actuation force of 50 grams and bottom out force of 58 grams, categorizing it as a medium-weight switch that offers a more substantial typing experience. In contrast, the Mannan Pipefish boasts a lighter actuation force of 37 grams and a bottom out force of 45 grams, making it an excellent choice for those who prefer a gentler touch, ideal for extended typing or gaming sessions. This means the Mannan Pipefish is lighter overall, making it easier on the fingers during prolonged use. For users who value a heavier push, the FJ400 would be the preferred option, giving a firmer feel. Meanwhile, the lighter actuation and bottom out forces of the Mannan Pipefish promote faster keystrokes and a less tiresome typing experience. Overall, these switches cater to different preferences, with the FJ400 being heavier and providing a more substantial engagement, while the Mannan Pipefish is lighter, ideal for comfort during long durations.

Travel distance

When comparing the travel distance of the HMX FJ400 linear switch to the KTT Mannan Pipefish linear switch, there is a noticeable difference between the two. The FJ400 features a travel distance of 3.8 mm, while the Pipefish offers a slightly longer travel distance of 4 mm. This means that if you're looking for a switch that provides quicker responsiveness, the FJ400, with its shorter travel distance, may be the better choice. On the other hand, those who prefer a more substantial key press with a hearty depth would likely favor the Mannan Pipefish due to its longer travel distance. Therefore, while both switches can deliver distinct typing experiences, the FJ400 stands out for quicker actions, whereas the Pipefish is ideal for users seeking a more pronounced feel with each keystroke.

Price comparison

Which switch is more bang for your buck?

The HMX FJ400 has an MSRP of $3.50 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the FJ400 for $3.29.

The KTT Mannan Pipefish has an MSRP of $3.53 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the Mannan Pipefish for $3.05.

Here at Milktooth, we offer the best prices on switches (on average, 27% lower the competition). In addition, we offer free shipping on orders over $49.00. We also offer free returns and exchanges, so you can shop with guaranteed satisfaction.

That said, while price is an important piece of the puzzle, our opinion is that you should ultimately pick the option that most suits your unique preferences since you’ll be using these switches for years to come. In other words, finding something perfect for you is, in our view, the most important criteria.

Typing experience

In terms of sound, the HMX FJ400 linear switch offers a balanced sound profile that leans towards neutrality, making it versatile for various settings, whether at home or in an office environment. The KTT Mannan Pipefish switch also features a neutral sound signature, with a moderately sound profile that similarly caters to both beginners and advanced users. This similarity suggests that both switches can be comfortably used in most scenarios without drawing undue attention, ensuring a discreet typing experience.

When considering the feel, the FJ400 provides a smooth typing experience, which is a hallmark of high-quality linear switches, although specific details on its tactile responsiveness are not readily available. Conversely, the Mannan Pipefish switch excels in providing an easy-to-press feel with its light actuation force of 45g, which reduces the strain of prolonged typing. Additionally, it boasts a polished construction that contributes to a refined typing experience with minimized friction. The essence of effortless key presses remains a significant aspect of both switches, leading to a comfortable and enjoyable typing experience.

Overall, both the HMX FJ400 and KTT Mannan Pipefish switches highlight a commitment to creating a user-friendly typing environment. While the FJ400 offers a balanced sound profile, the Pipefish enhances comfort through its light actuation force and polished feel. The combination of these features in both switches suggests that users can expect a pleasant typing journey, making either choice a worthwhile option for newcomers to mechanical keyboards.

Conclusion

To wrap up, the choice between the HMX FJ400 and the KTT Mannan Pipefish linear switches ultimately depends on your typing preferences and style. If you appreciate a balanced sound profile and a medium bottom-out force of 58 grams, the FJ400 could be more suitable for you, especially if you prefer a switch that offers a slightly more tactile feedback and may feel more robust during heavy typing sessions. On the other hand, if you're looking for a lighter, more effortless typing experience, the Mannan Pipefish, with its gentle 45-gram actuation, would be an ideal choice. Perfect for casual typing or longer sessions, its smooth and polished feel can significantly reduce finger fatigue, making it a great option for individuals new to mechanical keyboards or anyone seeking a more comfortable experience without compromising precision. In essence, consider your typing habits and preferences; whether you lean towards a sturdier, balanced switch like the FJ400 or a refined, easy-to-press option like the Mannan Pipefish will guide you to the best switch for your needs.

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