Multi-function Expression Pedal Tailor-made for Your Quad Cortex As Mission Engineering's flagship pedal, the SP-1 set a new standard among expression pedals thanks to its seemingly limitless versatility and pro-quality construction ideal for life on the road. The SP1-ND introduces the SP-1's full-featured functionality to NeuralDSP's ultra-powerful Quad Cortex modeler and profiler, letting you control and manipulate a wide range of effects processors with expression inputs. By connecting the SP1-ND to the pair of expression inputs located on the Quad Cortex, you not only get instant access to silky-smooth expression at your feet, but the pedal's built-in toe switch also makes it a breeze to engage and disengage effects without the need for additional hardware — a level of detail GearNuts guitarists thoroughly appreciate. Throw on a rubber pedal surface for slip-free operation and a metallic-grey finish that matches the Quad Cortex to a tee, and Mission Engineering's SP1-ND is