Used Boss KATANA 100 W/ GAFC Solid State Guitar Amps Solid State Guitar Amps
GA-FC | Foot Controller - BOSS
Guitar Pedal X - GPX Blog - Boss's new GA-FC-EX Foot Controller Massively Expands on the Control Capabilities for Katana Amps
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
Boss Katana 100 (MK1) & GA-FC Pedal - GuitarTalk Community
Katana - Using the Roland GA-FC Controller
Katana - GA-FC Bank Select
Boss Katana 100 MKII 2x12 Combo with GA-FC Foot Controller at Gear4music
Amazon.com: Boss Katana-100 MkII 1x12 inch 100-watt Combo Amp & Roland GA-FC Foot Controller for GA-112 and GA-212 : Musical Instruments
BOSS Announces GA-FC EX Foot Controller - Guitar Girl Magazine
UNLEASH the power of your KATANA MKII with the GA-FC - How to use it and why you need it! - YouTube