
FACT SHEET 1 of 3
Century™ Series
SC 600 Series
Quality speaks
louder than words
Today’s contact center and office professionals
deserve technology that improves the quality of
their everyday work-life. To work effectively,
they require outstanding sound performance for
natural, conversational communication and
music/multimedia use and exceptional comfort
for long hours of use with the ability to focus on
the job in hand even in noisy environments.
Naturally their headset must be extremely
durable and able to withstand the toughest
business environments. The Century™ Series of
wired headsets delivers on all points.
The wide range of 18 variant offers connectivity
to a variety of devices such as desk phones,
telecoil, PC, tablet and smartphone – for both
fixed, flexible and mobile solutions. Designed for
seamless interaction and full call control with all
major Unified Communications platforms and
phone solutions.
The Century™ Series of wired headsets covers
every situation with premium quality and style.
BENEFITS & FEATURES
– Outstanding sound for clear calls
With Sennheiser Voice Clarity for a natural
listening experience and ultra noisecancelling microphone for perfect speech
output
– High-quality design crafted for perfection
Brushed aluminum and stainless steel
components and unibody headband
construction for maximum strength at stress
points
– Convenient and seamless call handling
Proximity sensor (ANC variant) and in-line
call control for easy call management
– Easy to store and bring along
With fold-flat ear cups and carry pouch
– Exceptional wearing comfort
Leatherette ear pads for all
day comfort and powerful sound
See more at www.sennheiser.com/century
With its 18 variants, the Century™ Series offers
connectivity to a variety of devices. See all
headset variants and connectivity options in the
table overview on page 3
TELECOIL

Product Data
FACT SHEET
Century™ Series
SC 600 Series
2 of 3
General Data
Wearing Style Headband – single and double
Color Black with silver
Headset weight Single sided 59 g / 2.1 oz
Audio
Sennheiser Voice Clarity For a clear and natural listening
Microphone Ultra noise-cancelling microphone
Microphone frequency range 150 – 6,800 Hz (Wideband)
Speaker type High-quality neodymium magnet
Speaker frequency response
– multimedia
Sound pressure Limited by ActiveGard®:
Made for communication
& multimedia*
Enhanced music audio
performance**
Active Noise Cancellation*** For enhanced noise reduction in
sided variants. See table overview
Double-sided 95 g / 3.4 oz
Double-sided 110 g / 3.88 oz
(SC 660 ANC USB)
experience
for optimal speech transmission
speaker for outstanding audio
quality
50 - 18,000 Hz
50 - 12,000 Hz (SC 638 / SC 668)
Max. 103 dB via ED
Max. 110 dB via ED (SC 638 / SC 668)
Max. 118 dB via USB/USB-C
Max. 118 dB via 3.5 mm jack
Sound enhancement profiles adjust
automatically for optimal
communication or multimedia use
For a richer audio experience when
listening to music
open offices. Can be turned on/off
Hearing Protection
ActiveGard® Technology Protects users against acoustic
EU Noise at Work limiter*/**** Enhanced audio protection
Easy Call Management
In-line call control (USB/
USB-C)
In-line mini call control
(3.5 mm jack)*****
Proximity sensor technology*** Answer call/call on hold/resume call
Long-Term Reliability
Vectran™ reinforced cable For extreme durability
Unibody headband
construction
Warranty 3 years
Content of Delivery
What's in the box Headset, quick guide, safety guide,
Cloud Based Asset Management
HeadSetup™ Pro Manager Manage, update and configure your
injury caused by sudden sound
burst on the line
preventing listening fatigue, average
85 dB over a work day
Answer/end call, volume up/down
and mute
Answer/end call
by simply picking up headset/taking
it off/putting it on again
For maximum strength
leatherette ear pad/s, carry pouch,
magnetic holder, cable clip mounted
on headset
Sennheiser audio devices from one
location:
www.sennheiser.com/headsetup-pro-manager
For information about accessories and spare parts go to:
*Available when the headset is connected via USB
**Available on SC 660 ANC USB, SC 635 USB/USB-C & SC 665 USB/USB-C
*** Available on SC 660 ANC USB only
****In compliance with EU Noise at Work legislation (Directive 2003/10/EC)
*****Available on the mobile variants: SC 635 USB/USB-C, SC 665 USB/USB-C, SC 635 & SC 665
www.sennheiser.com/century

FACT SHEET
Century™ Series Overview
SC 600 Series
Connects to Product name /Art.no Description Details EAN no. / UPC no.
Desk phone via
Easy Disconnect
(ED)
TELECOIL
Special requirements
SC 630
Art. no 504556
SC 660
Art. no 504557
SC 632
Art. no 504558
SC 662
Art. no 504559
SC 638
Art. no 506494
SC 668
Art. no 506495
SC 660 TC
Art. no 507099
Single-sided, ED
Double-sided, ED EAN: 40 44155 08348 4
Single-sided, ED,
low impedance
Double-sided, ED,
low impedance
Single-sided, ED,
narrowband
Double-side, ED,
narrowband
Double-sided, ED,
hearing aid
Optimized for use with desk phones
Easy Disconnect plug with quick
release mechanism
Optimized for low impedance
devices
Optimized for narrowband
desk phones
Optimized for all standard telecoil
hearing aids
EAN: 40 44155 08347 7
UPC: 6 15104 23704 9
UPC: 6 15104 23708 7
EAN: 40 44155 08349 1
UPC: 6 15104 23712 4
EAN: 40 44155 08350 7
UPC: 6 15104 23714 8
EAN: 40 44155 20496 4
UPC: 6 15104 26739 8
EAN: 40 44155 20497 1
UPC: 6 15104 26744 2
EAN: 40 44155 21456 7
UPC: 6 15104 28066 3
3 of 3
PC via USB SC 630 USB CTRL
PC via USB
Smartphone & tablet
via 3.5 mm jack
PC via USB-C
Smartphone & tablet
via 3.5 mm jack
Art. no 504554
SC 660 USB CTRL
Art. no 504555
SC 630 USB ML
Art. no 504552
SC 660 USB ML
Art. no 504553
SC 660 ANC USB
Art. no 508311
SC 635 USB
Art. no 507254
SC 665 USB
Art. no 507257
SC 635 USB-C
Art. no. 508367
SC 665 USB-C
Art. no. 508368
Single-sided, USB,
UC optimized
Double-sided, USB,
UC optimized
Single-sided, USB,
Skype for Business
Certified
Double-sided, USB,
Skype for Business
Certified
Double-sided, ANC,
USB, UC optimized &
Skype for Business
Certified
Single-sided, USB/
3.5 mm jack
Double-sided, USB/
3.5 mm jack
Single-sided, USB-C/
3.5 mm jack
Double-sided, USB-C/
3.5 mm jack
UC optimized
In-line call control for easy call
management
Skype for Business Certified
In-line call control for easy call
management
Active Noise Cancellation
Proximity sensor technology
UC optimized & Skype for Business
Certified
UC optimized
Skype for Business Certified*
Added mobility and flexibility
EAN: 40 44155 08345 3
UPC: 6 15104 23698 1
EAN: 40 44155 08346 0
UPC: 6 15104 23700 1
EAN: 40 44155 08343 9
UPC: 6 15104 23696 7
EAN: 40 44155 08344 6
UPC: 6 15104 23697 4
EAN: 40 44155 24036 8
UPC: 6 15104 31759 8
EAN: 40 44155 22408 5
UPC: 6 15104 30132 0
EAN: 40 44155 22411 5
UPC: 6 15104 30135 1
EAN: 40 44155 24673 5
UPC: 6 15104 33322 2
EAN: 40 44155 24674 2
UPC: 6 15104 33323 9
Smartphone and
tablet via
3.5 mm jack
*Skype for Business Certification applies when USB/USB-C is connected to PC or Mac
**Compatible with other connection types when adaptor is used
www.sennheiser.com/century
SC 635
Art. no 507253
SC 665
Art. no 507256
Single-sided,
3.5 mm jack
Double-sided,
3.5 mm jack
For phones/tablets with 3.5 mm
connector**
USB controller cable available
as accessory
EAN: 40 44155 22407 8
UPC: 6 15104 30131 3
EAN: 40 44155 22410 8
UPC: 6 15104 30134 4
1291 11-2018