This is a reissue Supro amp footswitch, 2 button. In excellent condition and perfect working order.
The Supro SF2 footswitch allows you to control the tremolo and reverb circuits of your favorite Supro tube combo electric guitar amplifiers with the tap of a toe. The SF2 connects to your amplifier via a 1/4" TRS cable. The Supro SF2 gives you full control of your Supro tube combo electric guitar amplifier's tremolo and reverb effects.