The Emerson Blender wiring has 1 volume, 1 master tone, and a Blender pot. In the neck position you can blend the bridge pickup in as much as you want. In the bridge position you can blend the neck pickup in as much as you want. In positions 2 and 4 you can have all three pickups on at once. The nicest part about it is the fact of it being so user friendly. Everything else seems to be hard to use on the fly.