In A Large Saucepan, Combine The Cheese Sauce, Butter, Wine Or Broth And Garlic Powder. Cook And Stir Over Medium-Low Heat For 18-20 Minutes Or Until Cheese Is Melted. Stir In Crab; Cook 1-2 Minutes Longer Or Until Heated Through. Transfer To A Small Fondue Pot And Keep Warm. Serve With Bread Cubes.