The 6.6' CABLE-II-X4F Straight Copper Cable from Sennheiser features a short coil to minimize structure born noise. It is reinforced with Kevlar for durability and features an XLR-4 connector which makes it ideal for Intercom or ClearCom use. This cable is suitable for use with Sennheisers HMD26 and HMD46 headsets as well.