Avoid jobsite headaches and interconnect hassles with ClearCom RTS Intercom Headset Adapter Cables! The MD-XLR4F G27256-1 is a is a short cable that adapts a 4-pin XLR Female Headset Connector to a DX Mini DIN headset connector. This Adapter Cable was created to allow you to connect your Clear-Com 4-pin XLR 4 pin female terminated Dynamic Intercom Headset to the BP200 and BP300 Wireless Beltpacks and WS200 Wireless Speaker Station. The XLR adapter has an active built-in circuit that provides impedance matching and DC isolation. A clip is included for fastening adapter and headset cable to belt or clothing.