The Marshall PEDL-91005 is a 6-button footswitch designed for the Marshall JVM series amplifiers. Each button is programmable, allowing you to store and recall various functions or complete presets, providing enhanced control during performances. The footswitch features an LED status panel for clear visibility of your amp settings or tuner status at a glance. For detailed compatibility information, it's recommended to consult your amplifier's manual or contact Marshall Amplification directly.