Clinical Electrotherapy - Intelect Legend 2 Accessory, Leadwire Kit XL (channel 3 and 4) : The Intelect Legend 2 is the next generation in physical medicine modalities. It is simple to use and easy to set up thanks to the built-in suggested protocol settings developed around current clinical practices. This is a lead wire XL kit for Intelect Legend 2. It includes both channel 3 and channel 4 XL lead wires.