Free shipping and 30-day guarantee on US orders!

Keystone Stompbox Firmware - Free Updates For Life

We're always trying to make things a little bit better for everyone. Every Keystone Musical Instruments pedal gets free firmware updates for life. Download the file for your pedal, then load it with Keystone Control Center.

Firmware Update Guide Get Keystone Control Center

Version 1.4

Latest July 18, 2026

LED brightness improvements
Leveling fixes

KarouselRotary DriveDownload v1.4

KascadeEcho BenderDownload v1.4

KavernPlate Reverb / FreezeDownload v1.4

KliptorTremolo / FilterDownload v1.4

KontinuumDelayDownload v1.4

KosmosMulti PhaserDownload v1.4

KuttorSlice ShaperDownload v1.4

Previous versions

Kascade — Echo Bender 1.3.0July 4, 2026
Kuttor — Slice Shaper 1.3.0June 21, 2026
Karousel — Rotary Drive 1.2.01.2.0
Kavern — Plate Reverb / Freeze 1.2.01.2.0
Kliptor — Tremolo / Filter 1.2.01.2.0
Kontinuum — Delay 1.2.01.2.0
Kosmos — Multi Phaser 1.2.01.2.0
Kuttor — Slice Shaper 1.2.01.2.0
Kuttor Scale Selection Update (PDF)Notes

Collections

Time Travel: Kontinuum, Kavern and Kascade

Metamorphoses: Karousel, Kosmos and Kliptor

Mad Science: Kuttor, Kascade and Kliptor