Roland & Boss GA-FC Amp Footswitch Controller (for Katana, Blues Cube, Nextone, GX & GA Amps) - Andertons Music Co.
Differences between the Katana footswitches?
Boss KATANA:GO Personal Headphone Guitar Amplifier | Bonners Music
Boss GA-FC EX Foot Controller - Andertons Music Co.
Just scored this mkii 100 with foot switch fir $250. Can't wait to start tinkering around with it. Feel free to share some tips and tricks for a newbie. : r/BossKatana