Sennheiser UI 770 Universal Interface Box

UI 770

UI 770 Universal Interface Box

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.

Compatible with: SC230, SC260, SC630 and SC660.

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. This secures compliance with the Noise of work Directive from EU (EU Directive 2003/10/EC) and will result in a reduced maximum output level for the user.


  • Dynamic Volume control™ keeps incoming calls at the same sound level and prevents sudden noises
  • Sound clarity system™ reduces background noise and enhances the caller’s voice
  • Compatible with both wideband and narrowband headsets and phone systems
  • Easy switching option between handset and handset as well as between phone and PC use
  • Integrated dictaphone interface for economical and easy call recording
  • Compliance with the EU Noise at work Directive with a single switch
  • Automatic power save function for outstanding battery lifetime of up to 1 year


Warranty - 2 Years