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Sennheiser Circle™ Black Wired Headset
Sennheiser Circle™ Black Wired Headset 0

Sennheiser Circle™ Black Wired Headset

Model #: SC 230 USB MS II
At a Glance
Sennheiser SC 230 USB MS II Single-Sided Wired Headset with ActiveGard® technology and voice clarity
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Get to know this product.

CIRCLE™ SC 230/SC 260 USB MS II are robust, single-sided and Double-sided, wired headset with in-line call control unit. Certified for Skype for Business.


Comfort and precision

    With its bendable boom arm, your microphone remains in an optimal position for your voice to be picked up clearly, and stays in place without adjustment, all day long.
    Wear it on the right or on the left, it’s up to you. Thanks to its 350° rotation axis, your microphone can always be placed at the angle that suits you best.

Built to last

Years of wearing pleasure

  • With metal reinforced headbands and all-around robust and durable design, these headsets were built to last.

Skype for Business


  • Maximize the communication potential of your Skype for Business investment.

Call management at your fingertips


  • With Sennheiser’s in-line call control it’s easy to seamlessly manage your calls: Answer and end a call, turn the volume up or down, mute your microphone and redial your last outgoing call - all from a single unit.
    With its unique magnetic holder, the call control unit can be positioned firmly on your desk, for fingertip access to call management via the ergonomically designed, intuitive user interface.

Best in class comfort: For long-lasting user comfort, CIRCLE™ headsets feature CircleFlex™ dual-hinge ear cups with acoustic foam ear pads with soft leatherette cover.

Sennheiser ActiveGard®: Sennheiser ActiveGard® technology protects users against acoustic injury caused by sudden sound burst on the line.

Flexible Microphone Placement: A fully adjustable, bendable boom arm positions the microphone perfectly. The pivotable boom rotates 350 degrees for wearing on either the right or left.

Sennheiser Voice Clarity: Wideband sound for a natural listening experience while a noise-cancelling microphone filters out ambient noise for optimum speech clarity

Technical Data

  • Wearing style: Headband 
  • Connector: USB 
  • Frequency response (Microphone): 150 Hz – 6,800 Hz 
  • Frequency response (Headphones): 50 Hz – 18,000 Hz 
  • Microphone: Noise-canceling 
  • Sound pressure level (SPL): Max. 113 dB limited by ActiveGard® 
  • Cable length: 2.9 m / 9.5 ft 
  • Weight: 58 g / 86 g

*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.



Weight (grams):56


Volume Control:Yes

Misc. Specs

Frequency Response50 Hz – 18,000 Hz
Connector TypeUSB
Cord Length (Ft)9.5
Sport HeadphoneNo
Color Finish NameBlack
Connection TypeUSB
Built-in MicrophoneYes
Headphone TypeOn-Ear
WarningProposition 65 Warning for California Residents