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Greetings from the Tweed Hut Music Store, Vacaville, Ca. USA! Established 2002, We do a great job and will not let you down! 

The BOSS 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. Enhanced features include status LEDs with two colors, two dedicated pedal jacks and an additional control jack with a three-way mode selector, allowing you to connect a third expression pedal or use the GA-FC EX for expanded applications. 


  • Expanded GA-FC with enhanced functionality for select BOSS amplifiers
  • Rugged metal chassis and six heavy-duty footswitches  
  • Control channel selection, effect on/off, and more 
  • Two-color LEDs for easy view of control status
  • Two dedicated expression pedal jacks
  • Additional control jack with three-way mode selector 
  • EXP PEDAL 3 mode for a third expression pedal
  • FOOT CONTROL 2 mode for operating two amps at once
  • EXPAND mode for adding another GA-FC EX or a GA-FC
  • Works as a standard GA-FC controller with other amplifier models
  • Connects with a single 1/4-inch TRS cable (included)—no power required


  • Dedicated expression pedal jacks: 2
  • 1/4" TRS cable: Included
  • Fully supported amps: Katana-Artist MkII, Katana-Head MkII, Katana-100 MkII and Katana-100/212 MkII
Shipping Information

Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST.

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