Keystone Stompbox Firmware

Keystone Musical Instruments Firmware Update Guide | Link to Keystone Control Center

Latest updates: June 10, 2026

Karousel - Rotary Drive 1.2.0

Kascade - Echo Bender 1.2.0

Kavern - Plate Reverb / Freeze 1.2.0

Kliptor -- Tremolo / Filter 1.2.0

Kontinuum -- Delay 1.2.0

Kosmos -- Multi Phaser 1.2.0

Kuttor -- Slice Shaper 1.3.0 **NEW 6/21/2026

Kuttor Scale Selection Update