This product has been discontinued


If you're looking for a great binaural, corded headset system, look no further than the CC 520 headset and UI 760 amplifier from Sennheiser. This headset system offers comfort, quality, and ease of use with most corded office phones.

The CC 520 binaural headset offers powerful, precise sound to both ears for maximum concentration on your calls. The sturdy construction paired with the self-adjusting wearing style makes this a great headset for all-day use.

The UI 760 is the newest Sennheiser corded amplifier. It connects to both your PC for VoIP and your office telephone at the same time (with the use of the CUIPC-1 cord). To maximize ease-of-use and efficiency, the UI 760 offers built-in microphone mute and dynamic volume control features. The sound clarity system significantly improves the sound quality of the people you speak with on the phone. This amplifier is compatible with almost every telephone system.

Technical Specifications

Manufacturer Sennheiser
Catalog Number 1765
Type Corded
Max Range / Cord Length 40 in.
Weight 4.5 oz.
Compatibility Works with your existing single- or multi-line corded phone
Microphone Noise-canceling
Earpiece Leatherette
Color Black Headset, Grey Amplifier
Special Technologies
Warranty 3-Year Full Replacement
Battery Life Up to 2 years
Handset Lifter Compatible No
Busy Light Compatible
Quick Disconnect Yes
DC Adapter Compatible No
What's in the box? Sennheiser CC 520 headset; Headset bag; Spare leatherette ear cushions (2); Quick start guide; Sennheiser UI 760 amplifier; C battery; CSTD-01 cord; Coiled modular cord; Manual

Customer Reviews (312)