If you're in search of a reliable and user-friendly solution for your audio equipment switching needs, look no further than the FS-1 Single Button Footswitch. This stylish and durable footswitch, manufactured by the renowned brand Orange, is designed to seamlessly control the on/off function of your device with a single button press. Ideal for live performance settings, this high-quality footswitch is compatible with a wide range of Orange amplifiers, including all twin channel valve amplifiers, Crush 20, Crush 20RT, Crush 35, and Crush Pro amps. It's also designed to engage or defeat the reverb function in Rockerverb, Thunderverb, and Crush Pro amps, and the attenuator in Rockerverb and Dual Dark series. The FS-1 Single Button Footswitch also offers master volume lift for OR50, EQ lift for Custom Shop 50, global boost/gain boost for OR100, blend engage/defeat for OB1 Series, and compression engage/defeat for the 4 Stroke series. Please note, the LED will not illuminate with the Custom Shop 50 as it uses passive switching circuitry. Both single and dual button footswitches are encased in a robust metal housing for enhanced durability, and feature an LED indicator for easy operation. The footswitch also includes a 1/4" jack on the back, allowing you to customize the length of the cable running from the footswitch to your amp. Please note, the cable is not included. This footswitch is not intended for use with Crush Pix CR35LDX. In summary, the FS-1 Single Button Footswitch is a versatile, easy-to-use, and high-quality solution for controlling a variety of functions in your audio equipment.