KAHA Coffee Roasters is an Amesbury, Massachusetts based coffee roaster specializing in small batch, specialty coffee with a focus on high quality coffees from around the world. Every batch we roast adheres to three pillars: Quality. Freshness. Flavor. For each coffee variety and origin, we approach the roasting process with intentionality and a singular goal: how can we unlock the full potential of this bean? KAHA Coffee Roasters - Fresh Coffee Direct To Your Door.