Boss Katana-100 MkII 100W 1×12 Combo Amplifier, Boss GA-FC GA Foot, 1/4 Cable Bundle | ProSoundGear
BOSS GA-FC GA Foot Controller for Katana Amp - SSE Music
The GA-FC: Unlocking Performance Potential with Your Amp
So I just received my GA-FC and this EV-5 expression pedal for my Mk2 100w and I can't get the expression pedal to change from a master volume to a wah. I
Boss GA-FC – Thomann United States
BOSS Katana 100 GA-FC Foot Controller - YouTube
Roland Sticker for GA-FC Foot Controller KTN-ARTIST/KTN-HEAD/KTN-100/KTN100/212 | eBay
Katana - Using the Roland GA-FC Controller
UNLEASH the power of your KATANA MKII with the GA-FC - How to use it and why you need it! - YouTube
Katana - GA-FC foot controller
Boss GA-FC – Thomann United States
Boss GA-FC Foot Controller | Sweetwater
Supercharge the BOSS Katana MkII with the GA-FC EX - BOSS Articles
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
The GA-FC: Unlocking Performance Potential with Your Amp