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HMX Jammy vs. Kailh BCP

An in-depth look at the HMX Jammy and the Kailh BCP switches—which one is the best fit for you?

Overview

When it comes to mechanical keyboard switches, the HMX Jammy and Kailh BCP offer unique characteristics that cater to different typing preferences. The HMX Jammy, renowned for its softer and glittery nylon housings, delivers a medium-weight typing experience that is both muted and deeply satisfying, making it an excellent choice for those who prioritize a comfortable and subtle feedback while typing. In contrast, the Kailh BCP switches take inspiration from the beloved Black Cherry Pies, providing a creamy, viscous feel that is elastic and bouncy, resulting in a signature poppy and clacky sound profile that many enthusiasts find exhilarating. While the Jammy is perfect for users seeking a quieter, more subdued experience, the BCP appeals to those who enjoy a more tactile and auditory feedback during their keystrokes. 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

57g

Actuation force

52g

Bottom-out force

63g

Bottom-out force

63.5g

Pre-travel

2.00 mm

Pre-travel

1.40 mm

Total travel

3.70 mm

Total travel

3.50 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Standard

Stem material

POM

Stem material

POM

Top housing material

Nylon

Top housing material

Nylon

Bottom housing material

Nylon

Bottom housing material

Nylon

Mount type

PCB (5-pin)

Mount type

PCB (5-pin)

Spring

22mm single-staged spring

Spring

20mm single-staged spring

Housing materials

The HMX Jammy and the Kailh BCP both feature nylon as their top and bottom housing materials, which significantly influences their acoustic properties and overall tactile experience. Both models leverage nylon's classic traits, leading to a deeper and fuller sound profile that many users appreciate. The softer nature of nylon allows it to absorb sound more effectively than harder plastics, resulting in a duller and rounder auditory feedback during typing. This shared characteristic offers users a consistently pleasing sound profile across both switches, creating a satisfying auditory experience whether typing on the Jammy or the BCP.

While the top and bottom housings of both the Jammy and BCP switches are made from nylon, they maintain their unique tactile qualities based on the configuration of each switch. The nylon material in the bottom housing predominantly influences the bottom-out sound and the physical feel when a key is pressed down. Conversely, the nylon top housing impacts the acoustic response when releasing a key. As a result, both switches deliver a similar sound and feel profile, but the user's experience can vary depending on the specific design and engineering of each switch's internals. This interplay between the top and bottom housings gives rise to distinct characteristics, despite the identical material composition.

Ultimately, the fact that both the HMX Jammy and Kailh BCP utilize nylon for their housings means that users can expect comparable auditory experiences. The consistent use of nylon facilitates a more uniform acoustic output and tactile feedback, ensuring that users transitioning from one switch to the other will notice similar qualities in their typing experience. However, it is essential to consider the overall design and key structure of these switches, as these factors will further refine the unique characteristics that each one presents, fine-tuning the nuances that set the Jammy and BCP apart.

Weight

When comparing the actuation force and bottom out force of the HMX Jammy linear switch and the Kailh BCP linear switch, we find distinct differences that cater to various preferences in typing feel and experience. The Jammy requires an actuation force of 57 grams and has a bottom out force of 63 grams, while the BCP is slightly lighter, with an actuation force of 52 grams and a bottom out force of 63.5 grams. This means that the Jammy offers a heavier tactile experience, making it more suitable for those who prefer a stronger push feel, enhancing the typing experience with a more substantial feedback. Conversely, the BCP, being the lighter switch, may appeal to those who value prolonged typing sessions or gaming without fatigue. Both switches have similar bottom out forces, indicating that while the initial pressure needed to register a keystroke differs, the final force required to bottom out is comparable, making them relatively similar in that regard. Overall, while both switches have their merits, individuals looking for a more lightweight feel will lean towards the BCP, whereas those who prefer a heavier actuation might opt for the Jammy.

Travel distance

When comparing the travel distances of the HMX Jammy linear switch and the Kailh BCP linear switch, the Jammy features a travel distance of 3.7 mm, while the BCP has a slightly shorter travel distance of 3.5 mm. This means that the Jammy switch provides a bit more depth in keypress, which some users may prefer for a more substantial feel. On the other hand, the BCP's shorter travel distance may appeal to gamers looking for quicker response times, as it allows for faster actuation. Ultimately, the choice between these two switches hinges on personal preference: those who favor a longer, more hearty keypress might opt for the Jammy, while those who prefer a snappier, more responsive feel might lean towards the BCP.

Price comparison

Which switch is more bang for your buck?

The HMX Jammy has an MSRP of $3.50 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the Jammy for $2.99.

The Kailh BCP has an MSRP of $5.00 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the BCP for $4.75.

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 Jammy linear switch is characterized by a muted audio profile, which is well-suited for environments where a quieter operation is desired. This softer sound, combined with the switch's glittery nylon housing, contributes to a typing experience that minimizes distractions and creates a serene atmosphere. Conversely, the Kailh BCP linear switch delivers a more pronounced auditory experience marked by its signature poppy and clacky sound profile. This livelier sound can accentuate the typing experience, making it feel more engaging and tactile. Ultimately, while the Jammy offers a subtle acoustic presence, the BCP provides a more vibrant and resonant auditory sensation.

Regarding feel, the Jammy switch offers a medium-weight typing experience that is deeply satisfying and smooth, thanks in part to its softer nylon construction. This makes for a comfortable typing experience, especially during long sessions, as it allows the fingers to glide effortlessly over the keys. On the other hand, the Kailh BCP switch presents a creamy, viscous, elastic, and bouncy feel, which is inherently responsive and energizing. This bounciness can provide an exciting tactile feedback that may appeal to gamers and typists alike, offering a distinct contrast to the more subdued Jammy.

In conclusion, both the HMX Jammy and Kailh BCP linear switches cater to different preferences, with the Jammy offering a muted sound and a smooth, pleasant feel for those seeking tranquility in their typing experience. In contrast, the BCP emphasizes a more vibrant auditory feedback and a bouncy tactile sensation that appeals to those who enjoy a livelier experience. Depending on your priorities—whether it be sound, feel, or a combination of both—you can choose a switch that aligns best with your typing style and preferences.

Conclusion

To conclude, choosing between the HMX Jammy linear switch and the Kailh BCP linear switch ultimately hinges on your personal preferences and typing habits. If you prefer a typing experience that is creamy and bouncy, and enjoy the accompanying satisfying poppy sound, the BCP is the better option for you. Its medium-heavy bottom out force of 63.5 grams ensures a responsive feel that appeals to those who like to feel each keystroke distinctly, making it particularly suitable for fast typists and gamers who appreciate feedback in their switches. On the other hand, if you gravitate toward a softer, muted typing experience with a focus on a deeply satisfying feel, the HMX Jammy switch will likely serve you better. With a slightly lower bottom out force of 63 grams and a unique glittery nylon housing, it offers a quieter and smoother experience that might be more appealing in office settings or for prolonged typing sessions. Ultimately, your choice should reflect whether you value tactile feedback and sound or a smooth, silent experience, as both provide unique advantages tailored to different typing styles.

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