For screen reader problems with this website, please call406-265-55684 0 6 2 6 5 5 5 6 8Standard carrier rates apply to texts.

Sennheiser Century™ Black Headset
Sennheiser Century™ Black Headset 0

Sennheiser Century™ Black Headset

Model #: SC 638
At a Glance
Sennheiser SC 638 Premium Wired One Sided Headset with ultra-noise cancellation and ActiveGard® technology
Call for Best Price
$99,999.00Save $NaN

Get to know this product.

Century™ SC 638 and SC 668 are premium wired headsets for all-day use optimized for narrowband desk phones in busy contact center or offices.



    A premium single-sided wired headset optimized for narrowband desk phone users in busy contact centers and offices, who requires outstanding sound performance while maintaining contact with their surroundings.
    A premium double-sided wired headset optimized for narrowband desk phone users in busy contact centers and offices, who requires outstanding sound performance in noisy environments.

Ultra Noise-Cancelling Microphone

Gets your message through clearly

  • Sennheiser’s ultra noise-cancelling microphone, on the SC 638 and SC 668 variants, has been improved to optimize speech transmission and intelligibility in busy contact center and office environments by reducing unwanted background noise.

Stunning looks. Stunning sound.

Experience Sennheiser

  • With a comfortable fit that lasts all day and a solid sense of quality, Century™ is built to sound superb, look stunning and outlast the competition - in even the toughest contact center or office environment. It’s a headset that says you put your people and customers first.

Wearing Comfort

Adjustable and lightweight for all-day use

  • Century™ is designed for long-hours use throughout a working day – and that means everything focuses on wearing comfort: from the large leatherette ear-pads to the unibody headband construction for maximum strength at stress points to ensure a truly comfortable communications experience.



  • Sennheiser’s Easy Disconnect plugs are ideal for contact centers and hot desking offices, where users frequently change shifts or switch between workstations.
  • With their simple, quick release mechanism, durable Easy Disconnect plugs are designed to withstand the repetitive plugging and unplugging of shift changes.

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

All-day comfort: Large leatherette ear-pads for exceptional wearing comfort and powerful sound.
Be heard clearly: Ultra noise-cancelling microphone filters out background noise for perfect speech transmission.

Superior sound quality: High-quality neodymium speaker for outstanding HD audio quality
HD Voice Clarity: Legendary Sennheiser Voice Clarity, ensuring a clear and natural sound experience.

Iconic Design: Crafted with high-end materials to Sennheiser’s high standards of design quality.

Technical Data

  • Wearing style: Headband 
  • Impedance ~200 ohm 
  • Connector: Easy Disconnect 
  • Frequency response (Microphone): 150 – 6,800 Hz 
  • Frequency response (Headphones): 50 Hz - 12,000 Hz 
  • Microphone: Ultra noise-cancelling 
  • Max. sound pressure level: 110 dB limited by ActiveGard® 
  • Cable length: 1 m/ 3.3 ft 
  • Weight: 76 g (SC 638) 
  • Speaker type: Neodymium Magnet Speaker 
  • Package dimensions: 201 x 153 x 60 mm / 7.91 x 6.02 x 2.36 in 
  • Package weight: 166 g / 5.86 oz (SC 638)
  • Units in distributor master carton: 20 pcs 
  • Master carton weight: 4.5 kg / 9.92 lbs (SC 638) 
  • Master carton dimensions: 615 x 415 x 185 mm / 24.21 x 16.34 x 7.28 in 
  • Unit pack/end user: 1 pc

*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):76


Volume Control:Yes


Impedance:200 Ohms

Misc. Specs

Frequency Response50 Hz - 12,000 Hz
Connector TypeEasy Disconnect
Sport HeadphoneNo
Color Finish NameBlack
Connection TypeEasy Disconnect
Built-in MicrophoneYes
Headphone TypeOn-Ear
WarningProposition 65 Warning for California Residents