The Boss GA-FC EX Foot Controller has expanded floor control for select Boss amplifiers. The GA-FC EX provides expanded foot control functionality for select Boss amplifier models. It maintains the simple setup and intuitive workflow of the standard GA-FC while offering additional functions for greater performance flexibility. More Power and FlexibilityThe GA-FC EX builds on the standard GA-FC with several enhanced features. Status LEDs with two colors make it easier to see changes when switching. Along with two dedicated expression pedal jacks, there’s an additional control jack with a three-way mode selector. It allows you to connect a third expression pedal or use the GA-FC EX for expanded applications. Enhanced Performance Control for Katana Gen 3 and MKII AmpsThe mode selector on the GA-FC EX opens up powerful control capabilities with supported Katana Gen 3 and MkII models. With the GA-FC EX's EXPAND mode, you can connect another GA-FC EX or a standard GA-FC for direct switching of memories and effects on a Katana. Double Your FootswitchesSet the mode switch to EXPAND and connect an additional GA-FC EX or a standard GA-FC for even more floor control. With twice the footswitches, you have instant access to all memories and effects at once. Operate Two AmpsIf you use two Katana Gen 3 and MkII amps in your setup, FOOT CONTROL 2 mode is for you. Connect one GA-FC EX via two cables to select memories and effects on both amps, either together or independently. CompatibilityThe following Boss amplifiers support all GA-FC EX features. The Boss GA-FC EX Foot Controller compatible with all Katana Gen 3 models except the Katana-50 Gen 3 and all Katana MkII models except the Katana-50 MkII. | Boss GA-FC EX Foot Controller with Six Footswitches and Mode Selector for Katana Amplifiers