BOSS KATANA-Head MkII MIDI CCs & NRPNs

MIDI implementation details for the BOSS KATANA-Head MkII.

Last update: September 22, 2026 • 11 parameters

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Effects

Parameter CC Range Usage Description Orientation
Booster Switch 16 [0–127]
0-63: Off; 64-127: On
Note: Turning a knob in the EFFECTS section overrides this on/off setting
0-based
Mod Switch 17 [0–127]
0-63: Off; 64-127: On
Note: Turning a knob in the EFFECTS section overrides this on/off setting
0-based
FX Switch 18 [0–127]
0-63: Off; 64-127: On
Note: Turning a knob in the EFFECTS section overrides this on/off setting
0-based
Delay Switch 19 [0–127]
0-63: Off; 64-127: On
Note: Turning a knob in the EFFECTS section overrides this on/off setting
0-based
Reverb Switch 20 [0–127]
0-63: Off; 64-127: On
Note: Turning a knob in the EFFECTS section overrides this on/off setting
0-based
Effect Loop Switch 21 [0–127]
0-63: Off; 64-127: On
Note: Turning a knob in the EFFECTS section overrides this on/off setting
0-based

GA-FC

Parameter CC Range Usage Description Orientation
GA-FC Expression Pedal 1 (FX) 80 [0–127]
0~127: Expression pedal 1
Requires the separately sold GA-FC/GA-FC EX foot controller
0-based
GA-FC Expression Pedal 2 (Volume) 81 [0–127]
0~127: Expression pedal 2
Requires the separately sold GA-FC/GA-FC EX foot controller
0-based
GA-FC FS1 83 [0–127]
0-63: Off; 64-127: On
Requires the separately sold GA-FC/GA-FC EX foot controller
0-based
GA-FC FS2 84 [0–127]
0-63: Off; 64-127: On
Requires the separately sold GA-FC/GA-FC EX foot controller
Note: Manual lists both CC83 and CC84 as GA-FC (FS1). Likely a manual typo for FS2 since GA-FC has two footswitches and the two rows are otherwise identical
0-based

Foot control

Parameter CC Range Usage Description Orientation
Expression Pedal 82 [0–127]
0~127: Expression pedal
SEL CH1 CH2/EXP PEDAL jack. Requires a separately sold expression pedal
0-based

This dataset is provided under the Creative Commons Attribution Share Alike 4.0 International license.