EPOS | Sennheiser Active Wideband interface box with 2 amps for speakers and mic, ABC switch like DW base, Activegard built-in, dictation port, PC por

SKU: 1000827 Categories: ,


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. 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

2-year international warranty

What's in the box?

UI 770 Interface Box
1,5 V C-Battery (IEC LR 14 C)
Phone connecting cable: 4/4 modular plug (RJ9)