The Miktek MK5b Omnidirectional Capsule is a capsule option that fits the Miktek C5 Small Diaphragm Microphone. It features a 5-micron Mylar, evaporated gold diaphragm, and comes with its own serialized frequency response graph.FeaturesFits Miktek C5 FET Condenser Microphone0.5-inch Omnidirectional Capsule with 5-micron Mylar, Evaporated Gold DiaphragmIndividual serialized Frequency Response GraphÂ