EPOS Sennheiser IMPACT SC 635 USB Headset


EPOS | Sennheiser

Premium, wired, single/double-sided headset with connectivity via USB and 3.5 mm jack for specified models. Perfect speech and outstanding sound are enabled by an ultra noise-cancelling microphone and EPOS Voice. Enjoy UC optimized and Skype for Business certified calls and benefit from a reliable headset designed for hours of daily use. Designed for modern contact-center-agents and office professionals requiring outstanding audio performance, durability and added mobility.

Outstanding sound for perfect speech clarity

Ultra noise-cancelling microphone for perfect speech in noisy environments and Active Noise Cancellation for user comfort

Enjoy high-quality design and craftsmanship

Brushed aluminum and stainless-steel components, Vectran reinforced cables and strong, unibody headband

Exceptional wearing comfort

With soft leatherette ear pads for all-day comfort and powerful sound


Included in the box

  • Headset
  • Leatherette ear pad/s
  • Magnetic holder
  • Cable/clothing clip mounted
  • Carry pouch
  • Quick guide
  • Safety guide
  • USB-ED CC 01 MS connector (IMPACT SC 630 / SC 660 only)
Wearing styleHeadband – single and double-sided variant


Product weight

  • Single-sided: 59g / 2.1 oz
  • Double-sided: 95g / 3.4 oz
  • Double-sided: 110 g / 3.88 oz (SC 660 ANC USB)
Warranty3 Year limited manufacturer hardware warranty


Wired connectivity

  • USB-ED CC 01 MS connector with the SC 635 and SC 665
  • 3.5 mm jack/ USB cable with the SC 635 USB and SC SC 665 USB
  • USB cable with the SC 660 USB ML and SC 660 ANC USB