Amazon.com: XSONIC Airstep Kat Edition KATANA MkII & I Footswitch with 5 Footswitches, 2 Control Modes(Change Presets, Toggle Effects), 300H Playtime, Modify Amp sound with BTS App for iOS and Android, Wirelessly :
Affordable Boss Katana Footswitch: Ultra Hack! - YouTube
The GA-FC: Unlocking Performance Potential with Your Amp
Differences between the Katana footswitches?
Roland GA-FC GA Foot Controller
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