The beige BPCB-CW-TH Detachable Cable with Locking 4-Pin Connector for Audio-Technica 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 locking 4-pin connector, which can be used for Audio-Technica wireless transmitters.