The Marshall PEDL-90005 is a 2-button footswitch designed for hands-free control of the Channel and Blend functions on compatible Marshall amplifiers. It features a durable construction with a foot-friendly slope for easy access. This footswitch is compatible with models such as the Marshall MB60, MB150, MB450, MB4210, and MB4410. For detailed compatibility information, it's recommended to consult your amplifier's manual or contact Marshall Amplification directly.