Amazon.com: Roland GA-FC Foot Controller for GA-112 and GA-212 : Musical Instruments
Pedal lineup ... I get most of my needs from the built-in effects of my 100/212 mkii. But other than the GAFC, I had a couple wants. : r/BossKatana
Boss GA-FC – Thomann UK
Boss GA-FC GA Foot Controller Guitar Pedal EFFECTS - NEW - PERFECT CIRCUIT 761294503096 | eBay
BOSS KATANA 100w, GA-FC Controller & RC-3 Looper - How to Loop with Different Tones - YouTube
Finished my Katana's pedalboard... I didn't like having the lead to the GA-FC strewn across the board so I decided to make a TRS pass through which seems to clean things up
Boss GAFC GA Foot Controller | MIDI Footswitches & Pedals - Mannys Music // Mannys Music
NAD: Katana + Pedals, or footswitch? | The Gear Page
BOSS GAFC Pedal | Musician's Friend
日本に BOSS GA-FC - エフェクター
Boss GA-FC GA Foot Controller | Sweetwater
Boss GA-FC – Thomann UK
UNLEASH the power of your KATANA MKII with the GA-FC - How to use it and why you need it! - YouTube
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
Roland GA FC Guitar Speaker Control Pedal GAFC Foot Switch Controller KTN ACS JC|Fiber Optic Equipments| - AliExpress
How the Boss Katana 100 and Roland GA-FC Footswitch Work Together - YouTube
Boss Katana mk1 100watt with Boss GAFC effects pedal | in Dartford, Kent | Gumtree