Durock Pom Piano
vsKailh Box Black
Hear them
Side by side
| Durock Pom Piano | Kailh Box Black | |
| Type | Linear | Linear |
| Sound | Recorded | Recorded |
| Loudness | -38.6 dB | -59.5 dB |
| Pitch | 2,599 Hz | 2,182 Hz |
| Spring weight | 62.5 g | 62 g |
| Actuation force | 41.9 g | 34.6 g |
| Bottom-out force | 72.1 g | 78.3 g |
| Total travel | 3.9 mm | 3.9 mm |
Force curves compared
Both curves modeled from each switch's measured actuation, bottom-out values.
Which should you pick?
The Durock Pom Piano and Kailh Box Black are both linear switches, but they feel and sound different enough to be worth comparing directly.
Durock Pom Piano runs the heavier spring at 62.5g versus 62g — about 0.5g more — so it feels more deliberate under the finger, while Kailh Box Black is quicker and lighter to press.
On sound, Durock Pom Piano is the louder of the two at -38.6dB versus -59.5dB (20.9dB quieter), pitched higher at roughly 2,599Hz. It reads as recorded, while Kailh Box Black comes across more recorded.
Pick Durock Pom Piano if you want a heavier, more controlled press and a louder, more present sound. Pick Kailh Box Black if you'd rather have a lighter, faster press and a quieter typing 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.
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