This Pedal is currently available.
AFP2 Footswitch
2-button footswitch with TRS cable. Works with the following Ampeg amps: SVT2PRO, SVPPRO, SVT3PRO, BA210SP Combo, and BA115SP Combo.
http://www.ampeg.com/products/accessories/
Included in 8 Pedalboards, 4 are public:
Ampeg AFP-2B Footswitch