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Mechanical keyboard switch

Kailh Pro Heavy Sage

Linear Recorded 67.3g spring

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

TypeLinear
Sound characterRecorded
Loudness-50.2 dB
Pitch3,187 Hz
Spring weight67.3 g
Actuation force41.1 g @ 2 mm
Bottom-out force82.2 g @ 3.9 mm
Loudness -50.2 dB
Pitch 3,187 Hz
Thockiness Low
Clickiness Low
0g20g40g60g80g100g0mm1mm2mm3mm4mm actuation 41.1g

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

The Kailh Pro Heavy Sage is a linear switch with a heavy 67.3g spring. It actuates at 41.1g after 2mm of travel and bottoms out at 82.2g over a 3.9mm stroke.

Measured at -50.2dB, it's quieter than 84% of the 195 switches measured on ThockHub, giving it a recorded character at roughly 3,187Hz. Its 67.3g spring is heavier than 81% of switches in the database, so it feels deliberate and controlled under the finger.

Use the player above to hear the Kailh Pro Heavy Sage 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 Kailh Pro Heavy Sage with your plate, case, keycaps and mods in the live simulator.

Open the simulator →