Standard headset connection cable with standard microphone sensitivity. EasyDisconnect to Modular Plug RJ 9, coiled cord, Code 01. For use with all switches / amplifiers, as well as for direct connection to most of the phones.

To help you find connector that works with your device, please visit Sennheiser Headset Compatibility: https://www.eposaudio.com/en/ch/enterprise/headsets/compatibility-guide