The power to handle your toughest blender recipes Quickly blend even your toughest ingredients with ease -with our blenders. The K400 blender has a powerful 3-part blending system that will take your whole foods to smooth in 20 seconds*. The ribbed jar design creates a powerful vortex, pulling ingredients into the unique asymmetric blade that cuts at four distinct angles, ensuring your ingredients are thoroughly blended. The Intelli-Speed Motor Control senses contents and maintains the optimal speed to power through all ingredients, from kale to almonds and more. *Recipes incl. carrots, chia seeds & kale. Speed 5.