Kailh Jellyfish X Box Review – Clicky Switch with Nylon Stem and Loud Sound

The Kailh Jellyfish X Box Switch is a clicky keyboard switch for people who want a clear click, tactile feedback, and an audible typing experience. According to the provided specifications, this switch has a 47±15 gf operation force, 1.8±0.4 mm pre-travel, 3.6±0.3 mm total travel, ≥15 gf return force, 57±10 gf tactile force, and a lifespan of up to 100 million cycles.

In simple terms: this is the clicky version in the Jellyfish line. While the Jellyfish Y is a calm linear switch, the Jellyfish X gives audible and tactile feedback. That makes it more typing-focused than silence-focused or smooth-gaming-focused.

Quick choice

Looking for a clicky switch with 47±15 gf operation force, 57±10 gf tactile force, short 1.8±0.4 mm pre-travel, 3.6±0.3 mm total travel, loud sound level, Nylon stem, PC housing, 5-pin mount, SMD LED support, and up to 100M clicks? Then the Kailh Jellyfish X Box is a strong choice for typists who want clear clicky feedback. Need silence, smooth linear gaming, factory pre-lube, or subtle tactile feedback without click? Another switch will probably fit better.

1. Important terms explained briefly

• Clicky: you hear a clear click and feel feedback during the keypress.
• Tactile force: the force needed to pass through the feedback point.
• Operation force: the force around the actuation point of the switch.
• Pre-travel: the distance before the switch registers.
• Total travel: the full downward movement of the switch.
• Nylon stem: a stem material that can give a different feel and sound than POM stems.
• PC housing: polycarbonate housing, useful for lighting and a brighter character.
• SMD LED support: suitable for keyboards with SMD RGB/LED lighting.

Want to compare more options? Then also check our Kailh switches, clicky switches, and linear switches.

2. Specifications with practical explanation

• Type: Clicky
• Operation force: 47±15 gf
• Pre-travel: 1.8±0.4 mm
• Return force: ≥15 gf
• Tactile force: 57±10 gf
• Total travel: 3.6±0.3 mm
• Sound level: Loud
• Operation life: up to 100M cycles
• Suitable for: Typist
• Stem: Nylon
• Top housing: PC
• Bottom housing: PC
• Contact: Composite gold
• Spring: Spring steel
• Protecting cover: PC
• Slider: POM
• Pins: 5-pin
• Factory pre-lubed: no
• SMD LED support: yes

What you really notice here: the Kailh Jellyfish X Box does not have an extremely heavy operation force, but the clicky construction makes it feel much more noticeable than a linear switch. The 57±10 gf tactile force gives a recognizable feedback point, making each keypress feel more deliberate.

The 1.8±0.4 mm pre-travel is shorter than classic 2.0 mm, so the switch registers fairly quickly. The 3.6±0.3 mm total travel is more compact than standard 4.0 mm switches. That makes it feel direct, while still keeping a clear clicky character.

3. How does this feel while typing?

• Clear clicky feedback: you hear and feel the actuation.
• Fast actuation: thanks to the 1.8±0.4 mm pre-travel.
• Made for typists: the feedback point makes typing rhythmic and deliberate.
• Not pre-lubed: stock feel may be rougher than factory-lubed switches.

In simple terms: the Jellyfish X Box feels lively, clear, and mechanical. It is not designed to be subtle. Every keypress gives a clear click and a noticeable feedback point.

For typing, that is exactly the appeal, especially when you enjoy confirmation on every keypress. For fast gaming, it can work, but many gamers prefer a linear switch because it is quieter and smoother for repeated inputs.

4. Sound in plain language

The Kailh Jellyfish X Box has a loud sound level according to the specifications. This is an audible switch, not a quiet office switch.

• Clear click: audible on every keypress.
• Loud sound: less suitable for quiet spaces.
• PC housing: can make the sound a little brighter.
• Not silent: this is intentionally an audible clicky switch.

For a keyboard that is allowed to sound truly mechanical, this switch fits well. For quiet offices, calls, or shared workspaces, a quieter tactile or linear switch will likely be smarter.

5. Comparison in context

Switch	Feel	Sound	For who
Kailh Jellyfish X Box	Clicky, direct, short travel	Loud	Typists who want audible feedback
Kailh Jellyfish Y Box	Linear, balanced, short travel	Low	Gaming, office, and all-round use
Kailh Box Summer	Clicky, slightly firmer typing feel	Loud	Typists who want strong clicky feedback
Kailh Crystal Royal Box	Tactile without click, firm bump	Medium	Feedback without loud click

Practically speaking, the Jellyfish X Box is the choice when you want the Jellyfish style, but with clear clicky feedback. The Jellyfish Y is calmer and more all-round, while the Jellyfish X is more expressive and typing-focused.

6. Who is this switch perfect for?

• You want a clicky switch with clear feedback.
• You enjoy typing with audible confirmation.
• You want a switch that makes the most sense for typing.
• You want SMD LED support.
• You want a 5-pin switch with a long rated lifespan.

7. When is it less suitable?

• When you want a quiet switch.
• When you want smooth linear gaming.
• When you do not want an audible click.
• When you want factory pre-lubed switches.
• When you work in a quiet shared space.

In that case, it is better to look at other Kailh switches, linear switches for smoothness, or tactile switches if you want feedback without click.

Conclusion

The Kailh Jellyfish X Box Switch is a clicky switch with 47±15 gf operation force, 57±10 gf tactile force, 1.8±0.4 mm pre-travel, 3.6±0.3 mm total travel, loud sound level, Nylon stem, PC housing, 5-pin mount, SMD LED support, and a rated lifespan of up to 100 million cycles.

It is not the best choice when you want silence, smooth linear feel, factory pre-lube, or subtle feedback. Its strength is the clear click, short travel, and pronounced typing feedback. For typists who want an audible mechanical keyboard, this is a strong and characterful option.

Also check our Kailh switches collection to compare other switches.