Using a Roland GA-FC footswitch with Boss Katana 100w amplifiers - YouTube
Guitar Pedal X - GPX Blog - Boss's new GA-FC-EX Foot Controller Massively Expands on the Control Capabilities for Katana Amps
The BOSS GA FC EX: An Amazing 2022 Overhaul For Katana Users!
Boss GA-FC – Thomann United States
The GA-FC: Unlocking Performance Potential with Your Amp
Katana - Using the Roland GA-FC Controller
Boss GA-FC EX Katana Guitar Amplifier 6 Button Footswitch Controller – Specialty Traders
Boss Katana 100 MKII 2x12 Combo with Cover and GA-FC Foot Controller at Gear4music
Boss GA-FC Foot Controller | Sweetwater
Katana - GA-FC foot controller
BOSS - GA-FC | Foot Controller
Boss GA-FC – Thomann United States
UNLEASH the power of your KATANA MKII with the GA-FC - How to use it and why you need it! - YouTube
Boss GA-FC – Thomann United States
Amazon.com: Roland GA-FC Foot Controller for GA-112 and GA-212 : Musical Instruments
Boss GA-FC EX Foot Controller for BOSS Katana Amplifiers | eBay
Haven't seen a lot of examples of boards that implement the GA-FC, so here's the one I just put together! (Also posted in r/guitarpedals) : r/BossKatana
Wooden Pedalboard For Boss Katana / GA-FC With 2 Expression Pedals | Reverb
My thoughts on the BOSS Katana MKii with Roland GAFC - YouTube
Boss GA-FC Foot Controller for Katana, Cube, and GX Amps
Guitar Pedal X - GPX Blog - Boss's new GA-FC-EX Foot Controller Massively Expands on the Control Capabilities for Katana Amps
Finished My Daughter's Katana Pedalboard : r/BossKatana
The GA-FC: Unlocking Performance Potential with Your Amp