Boss GA-FC EX Foot Controller for BOSS Katana AmplifiersThe 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 Flexibility The GA FC EX builds on the standard GA FC with several enhanced features. Status LEDs with two