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BOSS Announces GA-FC EX Foot Controller

Expanded Floor Control for Select BOSS Amplifier Models

Los Angeles, CA, September 1, 2022 BOSS announces the GA-FC EX, a new foot controller for select BOSS amplifiers. The GA-FC EX provides enhanced floor control features and expanded functionality for supported amplifiers, which currently includes four models in the Katana MkII series. 

Housed in a rugged metal chassis, the GA-FC EX features six heavy-duty footswitches that provide direct control of ten unique functions. It maintains the simple setup and intuitive workflow of the standard BOSS GA-FC Foot Controller while offering new features for greater performance flexibility.  

Status LEDs with two colors make it easy to see changes when switching. And along with two dedicated expression pedal jacks, there’s an additional control jack with a three-way mode selector. It allows players to connect a third expression pedal or use the GA-FC EX for expanded applications.

The mode selector on the GA-FC EX opens up powerful capabilities with supported Katana MkII models. EXPAND mode supports the connection of an additional GA-FC EX or a standard GA-FC for even more floor control, giving players instant switching access to all memories and effects at once. FOOT CONTROL 2 mode is for using two Katana MkII amps together, providing the ability to select memories and effects on both amps from a single floor controller.

Current BOSS amplifiers that support all GA-FC EX features include the Katana-100 MkII, Katana-100/212 MkII, Katana-Head MkII, and Katana-Artist MkII. More BOSS amplifier models will be supported in the future.  

The GA-FC EX can be used with other BOSS and Roland amplifiers that support the GA-FC, but only standard GA-FC control functions are available.

To learn more about the GA-FC EX Foot Controller, visit

GGM Staff


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