Know your gear
The USB-RJ9 01 cable is a Sennheiser sound card cable which allows you to connect a Sennheiser UI Box to a PC. The cable contains a standard mono sound card and it works with all the UI Boxes from Sennheiser and with any PC via the USB connection.
The USB-RJ9 01 ensures easy connectivity when using a Sennheiser UI box for managing calls through softphones.
The USB-RJ9 01 ensures easy connectivity when using a Sennheiser UI box for managing calls through softphones.