Fact Sheet

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Product Data
General Data
Wearing Style Headband – single and double
sided variants. See table overview.
Color Black with silver
Headset weight Single-sided 58 g / 2.05 oz
Double-sided 89 g / 3.14 oz
Audio
Sennheiser Voice Clarity For a clear and natural listening
experience
Microphone Noise-cancelling microphone for
optimal speech transmission
Microphone frequency range 150 – 6,800 Hz (Wideband)
Speaker frequency response
50 – 18,000 Hz
50 – 12,000 Hz (SC 238 / SC 268)
Sound pressure Limited by ActiveGard®:
Max. 103 dB via ED
Max. 110 dB via ED (SC 238 / SC 268)
Max. 113 dB via USB
Hearing Protection
ActiveGard® Technology Protects users against acoustic
injury caused by sudden sound
burst on the line
EU Noise at Work limiter*/** Enhanced audio protection prevent-
ing listening fatigue, average 85 dB
over a work day
Easy Call Management
In-line call control on
USB CTRL II variants
Answer/end call, volume up/down,
microphone mute, redial last outgoing
call/reject incoming call
In-line call control on
USB MS II variants
Answer/end call, volume up/down,
microphone mute, redial last out-
going call
Long-Term Reliability
Durable construction Lightweight, metal reinforced
headband
Warranty 2 years
Content of delivery
What's in the box Headset, acoustic leatherette ear
pad/s mounted on headset, cable/
clothing clip mounted, carry pouch,
safety guide, quick guide
Cloud Based Asset Management
HeadSetup™ Pro Manager Manage, update and configure your
Sennheiser audio devices from one
location:
www.sennheiser.com/headsetup-pro-manager
* Available when the headset is connected via USB
** In compliance with EU Noise at Work legislation (Directive 2003/10/EC)
Circle
Series
SC 200 Series
FACT SHEET
For information about accessories and spare parts go to:
www.sennheiser.com/circle