The microwaves Breville Combi Wave 3 in 1 and Smooth Wave feature soft-close doors that minimise closing noise by 80 per cent. Efficient electronics and cooling systems additionally reduce operational noise by 50 per cent. The Combi Wave 3 in 1 combines a convection oven, grill, air fryer and microwave in one appliance. The Smooth Wave appliance has sensors and an intelligent algorithm to automatically adjust power and time to suit the specified dishes.