The Fusion M2's dual source option allows you to incorporate both a CO2 and fiber laser source into one laser system. What is the benefit of two laser sources in one cabinet? Space - if you are operating in a limited-space environment, you can maximize your space with equipment that can now work with any type of laser. For dual configurations, choose between a 50, 60, or 75-watt CO2 laser and match it with a 30 or 50-watt fiber laser. Pick the combination that is best for your application.