The black BPCB-CT4 Detachable Cable with TA4F Connector for Shure Wireless Systems from Audio-Technica is a 55", field-replaceable shielded cable for the BP892x, BP893x, and BP894x headworn microphones (sold separately). It features a robust connector on the earset and is offered with no accessories. It terminates with a TA4F connector, which can be used for Shure wireless transmitters.