Ninja Coffee Bar Brewer with Thermal Carafe: The best coffeehouse in town is on your countertop with the Ninja Coffee Bar brewer. Ninja's patent-pending brewing technology is designed to deliver delicious coffee with variable richness levels and without bitterness. The Ninja Coffee Bar brewer has Thermal Flavor Extraction, which truly unlocks the full flavor potential of your coffee using automated controls for temperature calibration, pre-infusion and coffee saturation.