1. Combine first 8 ingredients. Spoon into a lightly greased 3-qt. slow cooker.
2. Cover and cook on Low 2 1/2 hours. Stir until cheese is smooth; sprinkle with crushed bagel chips. Serve with crackers.
Pick through the crabmeat to remove the fine cartilage, if you like, but take care to leave the prized chunks of lump crabmeat as intact as possible.