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 SC 665 USB Black Headset
Sennheiser SC 665 USB Black Headset 0
Sennheiser SC 665 USB Black Headset 1

Sennheiser SC 665 USB Black Headset

Model #: SC 665 USB
At a Glance
Sennheiser SC 665 USB Double-Sided Call Center Headset with HD voice clarity and ActiveGard® technology
Call for Best Price

Get to know this product.

Century™ Mobile SC 635 USB and SC 665 USB are premium wired headsets with both 3.5 mm jack and USB connectivity. UC optimized and Skype for Business Certified.

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.

Increased mobility with flexible connectivity

The office is where you are

  • Get the security, sound quality and density benefits of a wired connection from your PC, smartphone or tablet – in the office, on the road or working from home.
  • Connect the headset to PC, smartphone or tablet via the headsets 3.5 mm jack or the detachable USB cable for increased mobility.
  • Manage your calls easily via the headsets smart in-line call controls.

State of the art materials

Extra long durability

  • Century™ is crafted with high-end materials to Sennheiser’s high standards to ensure maximum durability and design quality. Stainless steel hinges, brushed aluminum parts and Vectran™ reinforced cables are just parts of our armory when it comes to defending your headset against everyday use.

The easy choice

Simply works with your platform

  • Century™ Mobile headsets are compatible, optimized and certified to work seamlessly and efficiently with all major UC platforms including Skype for Business. A plug’n’play future proof solution regardless of the chosen platform.

Adjustable and lightweight for all-day use

Wearing comfort

  • 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.

HD Voice Clarity: Legendary Sennheiser Voice Clarity, ensuring a clear and natural sound experience.

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

Superior sound quality: High-quality neodymium speaker for outstanding HD audio quality

Be heard clearly: Ultra noise-cancelling microphone filters out background noise for perfect speech transmission.

Technical Data

  • Wearing style: Headband 
  • Impedance: 40 ohm 
  • Connector: Connect to PC via USB or smartphone or tablet via 3.5 mm jack 
  • Frequency response (Microphone): 50 – 6,800 Hz 
  • Frequency response (Headphones): 50 – 18,000 Hz 
  • Microphone: Ultra noise-cancelling 
  • Max. sound pressure level: Max. 113 dB via USB Max. 118 dB via 3.5 mm jack 
  • Cable length: SC 635 USB Headset to jack: 1385 mm/ 55 in, Controller to USB: 1525 mm / 60 in, Total 2910 mm / 115 in SC 665 USB Headset to jack: 1385 mm/ 55 in, Controller to USB: 1525 mm / 60 in,
  • Total 2910 mm / 115 in 
  • Weight: 59 g (SC 635 USB) and 95 g (SC 665 USB) 
  • Speaker type: Neodymium Magnet Speaker 
  • Package dimensions: 201 x 153 x 60 mm / 7.91 x 6.02 x 2.36 in 
  • Package weight: 219 g / 7.72 oz (SC 635 USB) and 255 g / 8.99 oz (SC 665 USB) 
  • Units in distributor master carton: 20 pcs 
  • Master carton weight: 5.5 kg / 11.0 lbs (SC 635 USB) and 6.2 kg / 13.23 lbs (SC 665 USB) 
  • 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):95


Volume Control:Yes


Impedance:40 Ohms

Misc. Specs

Frequency Response50 – 18,000 Hz
Connector TypeUSB; 3.5 mm
Sport HeadphoneNo
Color Finish NameBlack
Connection TypeUSB; 3.5 mm
Built-in MicrophoneYes
Headphone TypeOn-Ear
WarningProposition 65 Warning for California Residents