Sennheiser PXC 550-II User manual

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PXC 550-II
Around-ear headphones
SEBT5
Instruction manual
Important safety instructions.................................................................2
Package contents.................................................................................4
Product overview..................................................................................5
Getting started....................................................................................11
Using the headphones........................................................................12
Care and maintenance.......................................................................30
FAQ/If a problem occurs …................................................................31
Specifications......................................................................................33
Manufacturer Declarations .................................................................34
Sennheiser electronic GmbH & Co. KG
Am Labor 1
30900 Wedemark
Germany
www.sennheiser.com
Version: 09/19 A01

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Important safety instructions
▷Read this instruction manual carefully and completely before using the product.
▷Always include this instruction manual when passing the product on to third parties.
▷Do not use an obviously defective product.
▷Only use the product in environments where Bluetooth® wireless transmission is permitted.
Preventing damage to health and accidents
▷Protect your hearing from high volume levels. Permanent hearing damage may occur when
headphones are used at high volume levels for long periods of time. Sennheiser headphones
sound exceptionally good at low and medium volume levels.
▷The product generates stronger permanent magnetic fields that could cause interference with
cardiac pacemakers, implanted defibrillators (ICDs) and other implants. Always maintain a distance
of at least 3.94"/10 cm between the product component containing the magnet and the cardiac
pacemaker, implanted defibrillator, or other implant.
▷Keep the product, accessories and packaging parts out of reach of children and pets to prevent
accidents. Swallowing and choking hazard.
▷Do not use the product in an environment that requires your special attention (e.g. in traffic or when
performing skilled jobs).
Preventing damage to the product and malfunctions
▷Always keep the product dry and do not expose it to extreme temperatures (hairdryer, heater,
extended exposure to sunlight, etc.) to avoid corrosion or deformation. The normal operating
temperature is from 0 to 40 °C/50 to 104 °F.
▷Use only attachments/accessories/spare parts supplied or recommended by Sennheiser.
▷Clean the product only with a soft, dry cloth.
▷Use the product with care and store it in a clean, dust-free environment.
Safety instructions for the lithium polymer rechargeable battery
WARNING
If abused or misused, the rechargeable batteries may leak.
In extreme cases, they may even present a risk of:
•heat generation,
•fire development,
•explosion,
•smoke or gas development.
Only use rechargeable batteries and chargers
recommended by Sennheiser.
Only charge the product / rechargeable batteries at
ambient temperatures between +10 °C to +40 °C/+50 to
104 °F.
Do not heat the product / rechargeable batteries above
+70 °C/140 °F. Avoid exposure to sunlight and do not
throw the product / rechargeable batteries into fire.

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When not using the product / rechargeable batteries for
extended periods of time, charge them regularly (about
every three months).
Switch rechargeable battery-powered products off after
use.
Dispose of defective products with built-in rechargeable
batteries at special collection points or return them to your
specialist dealer.
Notes on data collection and processing and on firmware updates
This product stores individual settings such as the volume and the Bluetooth addresses of paired
devices. This data is required for the operation of the product and is not transferred to Sennheiser or
companies commissioned by Sennheiser and is not processed.
Using the “Sennheiser Smart Control” app, you can update the firmware of the product for free via an
Internet connection. If the device on which the app is installed is connected to the Internet, the follow-
ing data is automatically transferred to and processed by Sennheiser servers in order to provide and
transfer suitable firmware updates: hardware identifier, hardware revision number, firmware version of
the product and version of the app. The data will only be used as specified and will not be stored
permanently. If you do not want this data to be transferred and processed, do not connect to the
Internet.
Intended use/Liability
These headphones have been designed as an accessory for Bluetooth compliant devices. They are
intended for wireless audio communication such as music playback and phone calls via Bluetooth
wireless technology.
It is considered improper use when the product is used for any application not named in the
corresponding product documentation.
Sennheiser does not accept liability for damage arising from misuse or improper use of this product
and its attachments/accessories.
Sennheiser is not liable for damages to USB devices that are not consistent with the USB
specifications.
Sennheiser is not liable for damages resulting from the loss of connection due to flat or overaged
rechargeable batteries or exceeding the Bluetooth transmission range.
Before putting into operation, please observe the respective country-specific regulations.

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Package contents
PXC 550-II around-ear headphones
SEBT5
USB cable with micro-USB connector,
length approx. 1.2 m
Analog audio cable with 2.5 mm jack plug and
3.5 mm jack plug,
length approx. 1.4 m
In-flight adapter
Carry case
Quick guide
Safety guide
Online you can find:
•this detailed instruction manual and additional information www.sennheiser.com/download
•the Sennheiser Smart Control app for configuring the headphones and for additional
functions www.sennheiser.com/smartcontrol
A list of accessories can be found on the PXC 550-II product
page at www.sennheiser.com. Contact your local Sennheiser
partner: www.sennheiser.com > “Service & Support”.

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Product overview
PXC 550-II
Headband
Ear cup joint with on/off function for the headphones
Ear cups, steplessly adjustable
Microphones for active noise cancellation ANC:
2x directed outward, 2x directed inward (not visible)
Touch pad (right ear cup)
Bluetooth on/off switch
position: off “0”, on “I”