Boss Foot Controller for Katana Amplifiers with 8-channels, 2 Expression Pedal Inputs, and Effects Control (GA-FC EX) : Amazon.ca: Musical Instruments, Stage & Studio
Boss Katana-100 MkII 100-Watt 1x12" Combo Amp with Expression Pedal and Airstep Katana footswitch | Reverb
Boss Katana vs Cry Baby Mini Wah Pedal - BOSS vs DUNLOP (Episode 4) - YouTube
The GA-FC: Unlocking Performance Potential with Your Amp
The GA-FC: Unlocking Performance Potential with Your Amp
Guitar Pedal X - GPX Blog - Boss's new GA-FC-EX Foot Controller Massively Expands on the Control Capabilities for Katana Amps
Boss Katana 100 MKII 1x12 Combo with GA-FC Foot Controller at Gear4music
Boss Katana-100 MkII 100-Watt 1x12" Combo Amp with Expression Pedal and Airstep Katana footswitch | Reverb
Boss Katana-100 MKii Combo Amplifier with Effects| Electric Violin Shop
How to use use an expression pedal with your Katana MKII - UNLOCK THAT POWER! - YouTube
Boss Katana-100/212 MkII Guitar Amplifier COMPLETE STAGE BUNDLE | KraftMusic.com
BOSS Katana 100 212 MKII Guitar Modelling Combo
Supercharge the BOSS Katana MkII with the GA-FC EX - BOSS Articles
BOSS KATANA MKII MODULATION EFFECTS PART 2 with Headrush expression pedal! - 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
Boss Katana - Mission Engineering Dual Expression Pedal - YouTube
Boss Katana Artist MkII 1x12" 100-watt Combo Amp | Sweetwater
Guitar Pedal X - GPX Blog - Boss's new GA-FC-EX Foot Controller Massively Expands on the Control Capabilities for Katana Amps
Boss Katana 100 How and Why to use an Expression Pedal - YouTube
3 Reasons You Need A Boss Katana Amp - MKII Update
Boss Katana 100 MKII 1x12 Combo Complete Bundle at Gear4music
Supercharge the BOSS Katana MkII with the GA-FC EX - BOSS Articles
Amazon.com: Boss GA-FC-EX Foot Controller Bundle with Roland EV-5 Expression Pedal and Austin Bazaar Polishing Cloth : Musical Instruments