The CCM FP is used for unbalanced transmission of audio signals, for example from a microphone to audio workstations or mixers, when there's only a mono jack input available. Pin 1 and 3 of the XLR plug are soldered together. With a conductor area of 2x 0.22 mm² (both conductors are soldered together) and a spiral shielding of bare CU wires (90% coverage), it ensures undistorted signals in daily use.