Check out this video explaining the Traktor Pro 2 mapping that's also included in the package along with the Serato Itch. All though there are some buttons missing for full feature controll they've solved the lack off effect buttons pretty nicely as long as you use the effects the way they intended. Looks like it will work best with a single effect pr. bank and not grouped... Still a very neatly layed out controller for the controllerist.