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HMX EMO vs. Keygeek Keylin

An in-depth look at the HMX EMO and the Keygeek Keylin switches—which one is the best fit for you?

Overview

When it comes to choosing the right mechanical keyboard switch, both the HMX EMO and the Keygeek Keylin stand as compelling options for enthusiasts seeking a linear switch. The HMX EMO is celebrated for its lively, clacky feel and incredibly light 46g bottom-out force, making it an excellent choice for those who prefer a fast, bouncy typing experience. Its factory-lubed design enhances the overall smoothness and satisfaction of each keystroke. On the other hand, the Keygeek Keylin switch utilizes new molds that contribute to a premium typing experience, characterized by rich acoustics and exceptional smoothness, appealing to users who prioritize auditory feedback and refined performance. While both switches offer distinct advantages, your decision may hinge on your personal preferences for tactile feel and sound. However, let's dive in a bit deeper beyond generalities so you can best decide on the best switch for you.

By the numbers

Technical specifications

Actuation force

40g

Actuation force

38g

Bottom-out force

46g

Bottom-out force

48g

Pre-travel

2.00 mm

Pre-travel

2.00 mm

Total travel

3.50 mm

Total travel

3.60 mm

Factory lubed

Yes

Factory lubed

Yes

Stem construction

Standard

Stem construction

Standard

Stem material

Ly

Stem material

UPE

Top housing material

Polycarbonate

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-stage spring

Spring

21mm single-stage spring

Housing materials

When comparing the HMX EMO and the Keygeek Keylin, the primary distinction arises from the materials used for their top housings. The EMO utilizes a polycarbonate top, which is known for producing a sharper, higher-pitched sound profile due to its stiffness. This material enhances the clarity and resonance of the sound, making it particularly suitable for RGB lighting applications because of its translucency. In contrast, the Keylin opts for nylon as its top housing material. Nylon, being softer, absorbs more sound, resulting in a deeper and fuller sound profile. These two materials create contrasting auditory experiences; the EMO is likely to provide a crisper sound ideal for sharper keystrokes, while the Keylin envelops its sounds in a warmer, rounder tone.

Both switches feature nylon for their bottom housings, a characteristic that leads to a deeper and fuller auditory experience. This consistency allows for a commonality in that both switches will produce similar sound profiles when pressed or bottomed out, thanks to the nylon's inherent sound-absorbing qualities. The nylon bottom housing in both cases will diminish high-frequency sounds more effectively than harder plastics, ensuring that, regardless of the top housing material, the overall experience retains a certain warmth and richness. This can lead to a satisfying bottoming-out feel with either switch, bridging the gap between the EMO's sharpness and the Keylin's fullness.

Ultimately, the combination of different materials for each switch's top housing results in a distinct difference in sound profiles, while the shared nylon in the bottom casing unites them in terms of overall feel when pressed. When typing, the EMO’s polycarbonate top will accentuate the release sound, enhancing the experience with a clearer tonal quality. Conversely, the Keylin's nylon top will contribute to the more subdued acoustic characteristics, making it feel more muted upon release. Therefore, while the EMO may excel in sharpness and clarity, the Keylin's combination of nylon on both ends enhances the warmth and fullness of each keystroke, showcasing how different materials can create nuanced experiences within the same mechanical switch framework.

Weight

When comparing the HMX EMO linear switch and the Keygeek Keylin linear switch, both are characterized by their relatively light actuation and bottom out forces, making them suitable for users who prefer a softer touch. The EMO switch has an actuation force of 40 grams and a bottom out force of 46 grams, while the Keylin is slightly lighter at an actuation force of 38 grams but has a bottom out force of 48 grams. This means the Keylin requires less force to trigger a keystroke, but both switches exhibit a comfortable weight for extended typing or gaming sessions. In this context, users looking for a lighter feel might gravitate toward the Keylin due to its lower actuation force, while those who appreciate a bit more resistance in their keystrokes might prefer the EMO, which has a firmer bottom out force. Despite these differences, both switches offer a pleasant typing experience, catering to varying preferences for force sensitivity and feedback.

Travel distance

When comparing the travel distances of the HMX EMO linear switch and the Keygeek Keylin linear switch, there is a slight difference, with the EMO having a travel distance of 3.5 mm, while the Keylin measures at 3.6 mm. The Keylin is the longer switch by 0.1 mm, which may provide a more pronounced feel for those who appreciate a deeper keystroke. In contrast, the EMO offers a shorter travel distance, which could be more appealing for gamers looking for quick response times and a more immediate actuation. Ultimately, the choice between these switches will depend on personal preference: if you favor a more responsive feel, the EMO with its shorter travel distance might be the better option, while the Keylin suits those who prefer a deeper, less abrupt keystroke experience.

Price comparison

Which switch is more bang for your buck?

The HMX EMO has an MSRP of $3.49 per 10 switches. At Milktooth, we are able to pass on savings to our customers and offer the EMO for $2.79.

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

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 EMO switch is characterized by a lively and clacky auditory profile, which adds an engaging element to the typing experience. In contrast, the Keygeek Keylin switch is said to produce rich acoustics, suggesting a more refined and fuller sound that may resonate well with typing enthusiasts. Both factors, however, are inherently influenced by the choice of keyboard materials and keycap types, meaning that users of either switch might seek to customize their setups for optimal sound.

Regarding feel, the HMX EMO switch stands out due to its feather-light 46g bottom-out force, providing an effortless and buoyant typing experience. This switch is exceptionally factory-lubed, further enhancing its smoothness and satisfaction with each keystroke. On the other hand, the Keylin linear switch aims for a premium typing experience, emphasizing exceptional smoothness. While both switches prioritize smoothness in their design, the lightness of the EMO’s actuation versus the potentially differing characteristics of the Keylin may result in distinct tactile experiences during use.

In conclusion, while the HMX EMO and Keygeek Keylin linear switches differ in sound and feel, with the EMO offering a lively, clacky sound and a light, bouncy feel, and the Keylin presenting rich acoustics alongside a smooth typing sensation, both aim to provide enjoyable experiences to users. Choosing between them ultimately comes down to personal preference in sound and tactile feedback, as both offer unique characteristics that cater to different typing styles.

Conclusion

To wrap up, your choice between the HMX EMO linear switch and the Keygeek Keylin linear switch ultimately depends on your specific preferences and typing style. If you lean towards a vibrant and lively typing experience, the EMO's feather-light 46g bottom-out force provides an effortless and bouncy feel that can make long typing sessions feel enjoyable. Its exceptional factory lubrication enhances that smooth experience, making it ideal for those who appreciate a clacky sound profile and a lively tactile feedback. On the other hand, if you prioritize a premium feel with rich acoustics, the slightly heavier 48g bottom-out force of the Keylin might serve you better. This switch, crafted from innovative molds by Keygeek, promises exceptional smoothness, making it well-suited for users who favor a quieter yet satisfying typing experience. In essence, choose the EMO for a light and bouncy feel with a distinct sound, or opt for the Keylin if you prefer a refined, smooth typing surface with a more subdued acoustic profile.

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