Free Shipping! Senal SMH-H4X2 2.5mm TRRS to 4-Pin XLR Female Cable for Communication Headsets For SHM-1010CH2 and SMH-1020CH2 Headsets, Compatible with PortaCom and Clear-Com, 4-Pin XLR Female Connector, 2.5mm Twist-Lock Jack Connector, Length: 48.25"