Boss FS-6 Foot switch

The ideal companion for - among other things - your Boss Katana amp!

controls: Pedal Switch A, B / POLARITY Switch A, B / Mode Switch A, B
connectors: Jack A, Jack B (1/4 inch phone type), Jack A & B (TRS 1/4 inch phone type)
power supply: DC 9V: Dry battery/9V 6F22 (carbon), 6LR61 (alkaline), 9mA Current Draw