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Mechanical keyboard switch

Akko CS Sponge

Tactile Balanced 55g spring

Real single-key recording on GMK MT3 / SA keycaps. Want to add plate, case & mods? Open the live simulator →

TypeTactile
Sound characterBalanced
Loudness-39 dB
Pitch2,261 Hz
Spring weight55 g
Actuation force32 g @ 1.9 mm
Bottom-out force71.2 g @ 3.9 mm
Tactile bump43 g @ 1.41 mm
Loudness -39.0 dB
Pitch 2,261 Hz
Thockiness Low
Clickiness Low
0g20g40g60g80g0mm1mm2mm3mm4mm actuation 32gbump 43g

Modeled from the measured actuation, bottom-out and tactile-bump values above.

The Akko CS Sponge is a tactile switch with a medium-weight 55g spring. It actuates at 32g after 1.9mm of travel and bottoms out at 71.2g over a 3.9mm stroke, with a tactile bump peaking around 43g at 1.41mm.

Measured at -39dB, it's right in the middle of the 195 switches measured on ThockHub for volume, giving it a balanced character at roughly 2,261Hz. Its 55g spring is heavier than 27% of switches in the database, so it feels balanced for both typing and gaming.

Use the player above to hear the Akko CS Sponge on its own, then open it in the live simulator to layer in your plate, case, keycaps and mods.

Build the full sound

Hear the Akko CS Sponge with your plate, case, keycaps and mods in the live simulator.

Open the simulator →