Akko CS Air
vsKailh Rainy Whisper
Hear them
Side by side
| Akko CS Air | Kailh Rainy Whisper | |
| Type | Linear | Linear |
| Sound | Balanced | Recorded |
| Loudness | -36.7 dB | -28.7 dB |
| Pitch | 2,939 Hz | 3,165 Hz |
| Spring weight | 60.4 g | 60.3 g |
| Actuation force | 36 g | 34.1 g |
| Bottom-out force | 72.1 g | 70.1 g |
| Total travel | 4.1 mm | 4 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 Kailh Rainy Whisper 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 Kailh Rainy Whisper is quicker and lighter to press.
On sound, Kailh Rainy Whisper is the louder of the two at -28.7dB versus -36.7dB (8.000000000000004dB quieter), pitched higher at roughly 3,165Hz. It reads as recorded, while Akko CS Air comes across more balanced.
Pick Akko CS Air if you want a heavier, more controlled press and a quieter typing sound. Pick Kailh Rainy Whisper 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 →