Enjoy hands-free control of your Marshall amplifier with the PEDL-91003 2-button Footswitch. You'll be able to control a wide range of your amp's functions by employing the PEDL-91003's two dual-latching switches. Two LEDs indicate whether the switches are on or off. A stereo jack plugs into your amp's pedal connection. The PEDL-91003 is designed to work with Marshall DSL401, VS100R, SV100RH, and VS102R amplifiers.