This is a switchcraft TA4M 4 Pin Male socket to 3.5 MM Mini-Jack (with thread). connector. The input socket is silver plated of very high quality & suitable for SHURE lavalier lapel microphones that use the switchcraft TA4F 4 Pin Female Plug. It is compatible with SENNHEISER bodypack transmitters.
Basically this adaptors allows you to use any switchcraft TA4M 4 Pin plug microphones on any SENNHEISER bodypack transmitter.
Converts SHURE Headset & Lavalier Microphones To SENNHEISER Bodypack Wireless Transmitters.