Akko CS Air
vsDurock Koala
Hear them
Side by side
| Akko CS Air | Durock Koala | |
| Type | Linear | Linear |
| Sound | Balanced | Balanced |
| Loudness | -36.7 dB | -46.5 dB |
| Pitch | 2,939 Hz | 2,724 Hz |
| Spring weight | 60.4 g | 60.3 g |
| Actuation force | 36 g | 41.4 g |
| Bottom-out force | 72.1 g | 76.8 g |
| Total travel | 4.1 mm | 3.9 mm |
Force curves compared
Both curves modeled from each switch's measured actuation, bottom-out values.
Which should you pick?
The Akko CS Air and Durock Koala are both linear switches, but they feel and sound different enough to be worth comparing directly.
Akko CS Air runs the heavier spring at 60.4g versus 60.3g — about 0.10000000000000142g more — so it feels more deliberate under the finger, while Durock Koala is quicker and lighter to press.
On sound, Akko CS Air is the louder of the two at -36.7dB versus -46.5dB (9.799999999999997dB quieter), pitched higher at roughly 2,939Hz. It reads as balanced, while Durock Koala comes across more balanced.
Pick Akko CS Air if you want a heavier, more controlled press and a louder, more present sound. Pick Durock Koala 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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