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EPOS Sennheiser C20 Black Wireless Headset


  • Wearing style: On-ear, double-sided headband
  • Transducer principle: Dynamic, closed
  • Weight: 121 g
  • Connectivity: Bluetooth®, USB-A dongle
  • Compatibility: Mobile devices, PC/Mac®
  • Multi-point connectivity: Yes (dual)
  • Battery life: Listening time - up to 27 h / Talking time - up to 23 h
  • Charging time: 2 h
  • Range 25 m
  • Bluetooth® version: 5.2
  • Certifications: Microsoft Teams*, Zoom* and optimized for UC


* Microsoft Teams and Zoom certifications apply when the BTD 800 USB dongle is connected to PC or Mac®

** In compliance with EU Noise at Work legislation (Directive 2003/10/EC)


  • EPOS Voice technology: For a clear and natural listening experience
  • Driver size: 32 mm
  • Frequency response: 20-20,000 Hz
  • Impedance: 32Ω
  • Sensitivity: 87 dB/V
  • Total Harmonic Distortion (THD): 0.3% @ 1kHz, 0dB FS



  • Frequency response: 100 - 10,000 Hz
  • Pick-up: pattern
  • Unidirectional Noise-cancelling: Yes
  • Sensitivity: -40 dBV / Pa @ 1kHz
  • Style Foldable: boom arm


Hearing protection

  • EPOS ActiveGard® technology: Protects users against acoustic injury caused by sudden sound burst on the line
  • Sound pressure: max. 116 dB
  • EU Noise at Work limiter**: Enhanced audio protection preventing listening fatigue, average 85 dB over a workday



  • Dimension of product packaging (L x W x H): 193 x 75 x 228 mm
  • Package weight (incl. complete product and packaging): 454 g
  • Dimension of master carton (L x W x H): 420 x 415 x 275 mm
  • Units in distributor master carton: 10
  • Languages: English, German, French, Spanish, Russian, Japanese, Chinese

EPOS Sennheiser C20 Black Wireless Headset

  • If work or study means communication via multiple devices, choose a wireless headset that fits with your dynamic lifestyle whether it is from home or on-the-go. Lightweight, portable, and wireless, this flexible audio companion keeps you focused. The boom arm gets you closer to the conversation and folds easily into the headband for a clean, modern look. The headset is Microsoft Teams and Zoom certified and UC optimized so you can jump straight into virtual meetings.

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