Sennheiser CSTD-01 Cable for use with any Sennheiser QD headset and most desk phones but please call for compatibility if you have never ordered before.

Sennheiser CSTD-08 QD Cable for use with all Sennheiser QD headsets and specific phones. Please call for compatibility if you are not sure.

Pack of 100 disposable ear covers. Keep your headsets clean during training and shift changes.

10 Feet extenstion cable for all Sennheiser office headsets.

Replacement battery for the SD Office,SD Pro 1 and SD Pro 2.

Sennheiser Cava 31 Cable for use with any Sennheiser QD headset and Avaya 1600 & 9600 series phones.

With the ZoomSwitch Trainer you can train with wireless as well as wired headsets. This Adapter supports headsets from almost all major manufacturers.

The UI 770 is the ideal universal wideband Interface box which allows the user to connect a PC, standard phone, handset, a headset of the Sennheiser contact center or office series and even a dictaphone for voice recording. With the UI 770 you can easily switch between the headset, handset and PC, adjust the volume of the headset speaker and mute the headset microphone. The UI 770 supports the possibility of limiting the Speaker volume by simply setting a switch resulting in a reduced maximum output level for the user.

Handset lifter for use with all Sennheiser wireless desk phone headsets.

PC dongle designed to work seamlessly with PRESENCE™ and Mobile Business Series headsets. When used with the SDW 5000 Series base station, it provides connectivity to mobile devices.