- Boss EX Foot zZounds
- BOSS GA-FC Guitar Combo Foot Controller | Center
- Boss GA-FC-EX Expanded Foot Controller – Music Center
- GA-FC
- Haven't seen a lot of of that implement the GA-FC, so here's the one I just put together! (Also posted in r/guitarpedals) : r/BossKatana
- Boss GA-FC Controller Sweetwater
- BOSS Katana 100 MKII Footswitch Guide - Expression Pedal Options -
- Katana Guide that BOSS should have made YouTube
- GA-FC EX Foot - The Sound Parcel
- GA-FC Katana Guitar Amplifier 6 Button Footswitch Controller | eBay
- Boss GA-FC EX Controller for BOSS Katana Amplifiers | Sweetwater
- XSONIC User Group | Compare AIRSTEP Kat and GA-FC and how to use them simultaneously to expand possibilities | Facebook
- Guitar Pedal X - Blog - Boss's GA-FC-EX Foot Controller Expands on the Control Capabilities for Katana Amps
- Amazon.com: Roland GA-FC Foot GA-112 and GA-212 : Musical Instruments
- the BOSS Katana MkII with GA-FC EX - BOSS Articles
- GA-FC: Unlocking Performance Potential with Amp
- Amazon.com: Roland GA-FC Foot GA-112 and GA-212 : Musical Instruments
- GA-FC: Unlocking Performance Potential with Amp
- Boss GA-FC Controller Footswitch | STORE professional
- Boss footswitch - Five Star
- Boss footswitch - Five Star
- BOSS GA-FC EX Expanded Foot Controller for Katana Series of Amplifiers – Tegeler
- Boss GA-FC Footswitch + 20' Cable Reverb
- Boss Katana Guitar Amplifier Controller – Specialty Traders
- Guitar Pedal X - Blog - Boss's GA-FC-EX Foot Controller Expands on the Control Capabilities for Katana Amps
- Boss GA-FC Footswitch Amp Controller for Nextone, CUBE, etc – Mainstagemusic