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HMX FJ400 vs. PH Studio Yoel

An in-depth look at the HMX FJ400 and the PH Studio Yoel switches—which one is the best fit for you?

Overview

When choosing a mechanical keyboard switch, enthusiasts often find themselves comparing different options to find the perfect fit for their typing style and preferences. On one hand, the HMX FJ400 stands out as a versatile middle ground within the HMX Film switch lineup, renowned for its balanced sound profile and smooth keystrokes. This switch offers a satisfying typing experience without being too loud, making it an excellent choice for those who desire a quieter environment while still maintaining a compelling feel. On the other hand, the PH Studio Yoel switch, manufactured by BSUN, is celebrated for its delectably chewy typing experience, providing a pronounced and satisfying resonant bottom-out sound that adds a unique character to each keystroke. This switch's bright and clacky profile is ideal for users looking to make a bold statement with their typing, adding an engaging auditory element to their experience. Ultimately, each switch presents distinct qualities that cater to different typing preferences. However, let’s dive in a bit deeper beyond generalities so you can best decide on the right switch for you.

By the numbers

Technical specifications

Actuation force

50g

Actuation force

53g

Bottom-out force

58g

Bottom-out force

60g

Pre-travel

2.00 mm

Pre-travel

2.00 mm

Total travel

3.80 mm

Total travel

3.20 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Standard

Stem material

T2

Stem material

Ly

Top housing material

POM

Top housing material

Polycarbonate

Bottom housing material

Nylon

Bottom housing material

POM

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

22mm single-stage spring

Spring

Single stage lengthened 20mm spring

Housing materials

When comparing the housing materials of the HMX FJ400 and the PH Studio Yoel, it is clear that they utilize different plastics for their top housings, leading to distinct sound characteristics. The FJ400 features a POM top housing, which is known for producing a deeper and more muted sound profile. In contrast, the Yoel utilizes a polycarbonate top housing, which results in a sharper and crisper sound. The stiffness of polycarbonate contributes to its resonant nature, enhancing the clarity and brightness of the sound when keys are released. Therefore, while both switches might achieve pleasing auditory experiences, their top housing materials distinctly influence the tonal qualities, with the FJ400 leaning towards warmth and the Yoel favoring brightness.

On the other hand, the bottom housings of the FJ400 and Yoel switch also present a fundamental contrast. The FJ400 employs a nylon bottom housing, which is recognized for producing a deeper and fuller sound profile due to its softer nature and sound absorption properties. In contrast, the Yoel's POM bottom housing, similar to its top counterpart, promotes the same deep and muted sound characteristic. Consequently, while the FJ400 achieves its deep sound primarily from the nylon material, the Yoel's deeper sound profile benefits from using POM in both the top and bottom housings. This difference in approach impacts the overall auditory experience, emphasizing how each switch utilizes its material choices to yield varying sound characteristics.

Ultimately, the materials used in the top and bottom housings of each switch contribute differently to the tactile and auditory experience during use. In the case of the HMX FJ400, the combination of a POM top and nylon bottom creates a sound that is warmer and rounder, particularly noticeable when keys are released. Conversely, the PH Studio Yoel, with its polycarbonate top and POM bottom, emphasizes clarity and resonance while still incorporating some of the deeper tones. Despite their differences, it is worth noting that users seeking a fuller sound can find satisfactory results in both switches. The unique interplay of materials allows for a rich and engaging typing experience in each case, showcasing the importance of housing choices in mechanical switches.

Weight

When comparing the HMX FJ400 linear switch to the PH Studio Yoel linear switch, both switches offer a medium level of actuation and bottom out forces, but they do have slight differences. The FJ400 has an actuation force of 50 grams and a bottom out force of 58 grams, while the Yoel requires a slightly heavier actuation force of 53 grams and a bottom out force of 60 grams. This means that while the FJ400 is the lighter option, the Yoel provides a greater resistance, which may appeal to users seeking a more substantial typing experience. Both switches will likely yield similar results in terms of overall feel during extended typing sessions, though the Yoel may require a bit more effort to actuate, potentially offering a firmer feedback for those who prefer it. Ultimately, choosing between these two switches comes down to personal preference regarding the weight of the switch and the desired typing experience.

Travel distance

When comparing the travel distances of the HMX FJ400 linear switch and the PH Studio Yoel linear switch, a clear distinction emerges. The FJ400 features a travel distance of 3.8 mm, while the Yoel has a shorter travel distance of 3.2 mm. This difference means that the FJ400 provides a more pronounced feel when pressing a key, making it suitable for those who appreciate a deeper key press, often associated with a more tactile experience. In contrast, the Yoel’s shorter travel distance may appeal to gamers and those who prioritize responsiveness and quicker actuation, as it allows for faster response times. Therefore, while both switches have their own appeals based on personal preference, the FJ400 is the longer option and may be preferred by those who value depth, whereas the Yoel is the shorter option catering to those seeking speed.

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 PH Studio Yoel has an MSRP of $4.50 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the Yoel for $4.10.

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 is known for its balanced sound profile, making it a versatile option for various typing environments. While the specific qualities of the FJ400's sound are not explicitly detailed, the general consensus points towards a pleasant auditory experience without being overly intrusive. In contrast, the PH Studio Yoel linear switch stands out with a bright and clacky sound profile. This switch produces a sharp, high-pitched sound that is crisp and percussive, creating an engaging auditory feedback during typing. The resonance at the bottom-out point delivers a satisfying and pronounced sound, appealing to those who appreciate a pronounced auditory experience.

When it comes to feel, the FJ400's specific tactile characteristics are not outlined, leaving an unexplored aspect of its performance. However, the Yoel linear switch excels in providing a delightful typing experience characterized by a creamy, polished, and silky sensation. The buttery smoothness is largely attributed to either factory lubrication or the materials used, allowing for effortless gliding across the keys, which greatly enhances the typing experience. This silky texture minimizes resistance during both key presses and releases, making each keystroke feel significantly refined.

Overall, while the HMX FJ400 presents a more neutral sound experience without the specific tactile feedback detailed, the PH Studio Yoel offers a vibrant, clacky sound alongside a remarkably smooth and creamy feel. The FJ400 may be preferred by those seeking a more understated auditory profile, while the Yoel will appeal to enthusiasts who appreciate pronounced sound and tactile pleasure in their typing experience. Both switches could provide a satisfying typing experience, albeit in different ways, catering to individual preferences in sound and feel.

Conclusion

To conclude, your choice between the HMX FJ400 linear switch and the PH Studio Yoel linear switch will ultimately depend on your personal preferences regarding sound and feel during typing. If you prefer a more balanced sound profile that provides a medium bottom-out force of 58 grams, the FJ400 may be the ideal choice for you as it offers an understated yet pleasing typing experience. This switch is likely to suit gamers or typists who appreciate a less pronounced auditory feedback while still delivering a satisfactory tactile response.

On the other hand, if you’re drawn to a more engaging and pronounced auditory experience, the Yoel switch, with its 60-gram bottom-out force, is designed to provide a bright and clacky sound that adds an element of joy to typing. The distinctive "chewy" feel combined with a creamy, polished typing experience makes it a great option for users who delight in a tactile sensation and a more resonant feedback with each keystroke. Therefore, if you desire a vibrant and immersive typing atmosphere, the Yoel is sure to deliver. Each switch has its unique strengths, so consider how you type and what sounds you enjoy before making your final decision.

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