The Marshall PEDL-90016 is a 2-button footswitch designed for the Marshall Origin series amplifiers, including models like the Origin 20, Origin 50, and Origin 100. This footswitch allows for hands-free control of the amplifier's functions, enhancing live performance flexibility. The first switch activates the gain boost, providing additional crunch, while the second switch enables or bypasses the effects loop. LED indicators inform you when the controls are active. For detailed compatibility information, it's recommended to consult your amplifier's manual or contact Marshall Amplification directly.