The Blendtec Professional 800 is a top-of-the-line blender with the quietest operation on the market. Housed in an elegant, soundproof design, it utilizes innovative noise reduction and air flow technology, demonstrating that exceptional power can also be quiet. Featuring an 11-speed capacitive touch slider, the Professional 800 offers unparalleled speed control precision. The pulse button allows for bursts of high-speed blending with minimal noise. Plus, six pre-programmed blend cycles are available for added convenience - simply press the icon for any recipe.