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Sennheiser CC 520 IP Black Wired Headset
Sennheiser CC 520 IP Black Wired Headset 0

Sennheiser CC 520 IP Black Wired Headset

Model #: CC 520 IP
At a Glance
Sennheiser CC 520 IP Binaural Headset with HD voice clarity and boosted productivity
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Get to know this product.

The Sennheiser CC 520IP is a quality performance binaural headset for maximum productivity. Durable construction makes it perfect for all office and professional communication tasks.

This wideband headset deliver a more nuanced soundscape where voice transmission is perceived as warmer and more natural.

Use CC 520 IP for VoIP communication via softphones on PCs / MacBooks and IP desk phones.


  • HD voice clarity: The CC 520 IP wideband headset delivers natural high-definition sound for superior voice clarity, accented speaker recognition, and reduced echo
  • Boosted productivity: The binaural headset blocks background noise, allowing total concentration for increased productivity
  • Superior fit: Independently adjustable dual-padded headband and ball-mounted speakers ensure a perfect fit
  • Precision positioning: 300° adjustable microphone boom for personalized mic placement.
  • Optimum clarity: An ultra-noise-cancelling microphone filters out ambient sounds for clearer speech
  • Protected hearing: ActiveGard®* technology protects against acoustic shock and sudden sound surges
  • Extra comfort: Generous headband padding and extra
  • Peace of mind: It has a 2-year warranty
  • Sennheiser Communications patented technology

What's in the box?

  • Headset with leather earpads
  • Quick & Safety Guide
  • Carry bag
  • Coloured identified clip (3)
  • Foam earpad (2pcs)
  • Microphone windscreen mounted

Technical Data

  • Wearing style: Headband
  • Color: Black
  • Connector: Easy Disconnect
  • Cable length: 1 m / 3.3 ft
  • Weight: 100 g
  • Weight Without cable: 90 g


  • Impedance ~180 Ω
  • Frequency response (Headphones): 150 Hz – 6.800 Hz
  • Sound pressure level (SPL): Max. 103 dB limited by ActiveGard™


  • Frequency response (Microphone): 150 Hz – 6.800 Hz
  • Microphone: Ultra Noise Cancelling
  • THD, total harmonic distortion: < 1%

*Warning (for California residents only): Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Every Consumer Products company is required to post the warning no matter if their products pose any harm. Sennheiser products are all RoHs compliant, yet we are by law required to post the Proposition 65 warning message anyway.


Misc. Specs

Frequency Response150 Hz – 6,800 Hz
Case IncludedYes
Connector TypeEasy Disconnect
Sport HeadphoneNo
Color Finish NameBlack
Connection TypeEasy Disconnect
Built-in MicrophoneYes
Headphone TypeOn-Ear
WarningProposition 65 Warning for California Residents