Kailh Speed Copper
vsLeobog Ice Soul
Hear them
Side by side
| Kailh Speed Copper | Leobog Ice Soul | |
| Type | Tactile | Tactile |
| Sound | Recorded | Balanced |
| Loudness | -38.9 dB | -24.2 dB |
| Pitch | 1,695 Hz | 2,821 Hz |
| Spring weight | 44.6 g | 41.1 g |
| Actuation force | 30 g | 24.2 g |
| Bottom-out force | 52.7 g | 48 g |
| Total travel | 3.9 mm | 4 mm |
| Tactile bump | 35 g | 61 g |
Force curves compared
Both curves modeled from each switch's measured actuation, bottom-out and tactile-bump values.
Which should you pick?
The Kailh Speed Copper and Leobog Ice Soul are both tactile switches, but they feel and sound different enough to be worth comparing directly.
Kailh Speed Copper runs the heavier spring at 44.6g versus 41.1g — about 3.5g more — so it feels more deliberate under the finger, while Leobog Ice Soul is quicker and lighter to press.
On sound, Leobog Ice Soul is the louder of the two at -24.2dB versus -38.9dB (14.7dB quieter), pitched higher at roughly 2,821Hz. It reads as balanced, while Kailh Speed Copper comes across more recorded.
Both are tactile, but Leobog Ice Soul has the stronger bump at about 61g versus 35g.
Pick Kailh Speed Copper if you want a heavier, more controlled press and a quieter typing sound. Pick Leobog Ice Soul if you'd rather have a lighter, faster press and a louder, more present sound. Use the players above to hear which one you actually prefer.
Full pages
Hear the difference for real
Load either switch into the live simulator and A/B them with your plate, case and keycaps.
Open the simulator →