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Using the headphones
12 | CX 350BT
Installing the Smart Control app
To make full use of all the settings and functions of the headphones,
you need to have the free Sennheiser Smart Control app installed on
your smartphone.
Download the app from the App Store or Google Play and install it on
your smartphone. Alternatively, you can use your smartphone to
scan the following QR code or to call up the following Internet site:
www.sennheiser.com/smartcontrol
▷ Connect your smartphone to the headphones via Bluetooth (> 10).
▷ Start the Smart Control app.
▷ Follow the instructions in the app.
Selecting suitable ear adapters for
optimum fit of the headphones
The perceived sound quality and bass performance of the headpho-
nes depends to a large extent on their correct fit in the ear.
▷ Pull the ear adapter away from the in-ear sound tunnel.
▷ Mount the new ear adapter to the in-ear sound tunnel. Ensure that
it locks into place.
▷ Test which ear adapter size gives you the best sound quality and
the best wearing comfort.
You can choose between 4 different ear adapters in size XS, S, M and
L. The ear adapters must fit snugly in the ear canal and completely
seal your ears.
“Sennheiser Smart Control”
XS S
M L
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