Amazon.com: Fender 3-Button Footswitch: Channel/Gain/Reverb with 1/4-Inch Jack : Musical Instruments
Fender 3-Buttons Footswitch Channel/Boost/Reverb Jack Connector Amp footswitch
Peavey 3 Button Special Use Footswitch for JSX Head, JSX 212 Combo, 3120 Head, Triple XXX, Triple XXX 212 COMBO, and Triple XXX II 03572680-3-button -special-use-footswitch - Canada's Favourite Music Store - Acclaim
Apex Electronics AFS3 3-Button Footswitch With Detachable 10ft 1/4" Cable | Full Compass Systems
Amazon.com: HQRP 3-Button Guitar Amp Footswitch compatible with Peavey 03582650 Replacement fits 6505+ Head : Musical Instruments
HQRP 887774401041808 3-Button Guitar Amp Footswitch for DigiTech FS3X replacement fits Jamman Solo XT, RP360, Trio, Whammy DT