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CX True Wireless  |  5

Can I connect to more than one Bluetooth device simultaneously 
(so-called "Bluetooth Multipoint Connection")?

Answer:

You can pair CX True Wireless with up to eight different Bluetooth 
devices. The CX True Wireless stores and remembers these pairings. 
However, you can only be connected to one device at a time, e.g. play 
music from one Bluetooth device.

To change from one Bluetooth device to another, disconnect the cur-
rent Bluetooth connection by switching off Bluetooth at the current 
device and connect to your second Bluetooth device by selecting the 
CX True Wireless entry in the Bluetooth menu.

Within the Sennheiser Smart Control app you can get an overview of 
the paired Bluetooth devices and manage your BT connections.

What does "Adjustable Sidetone" feature mean?

Answer:

CX True Wireless delivers an amazing audio experience for music lis-
tening. When considering sound, the quality of your voice during 
calls is equally important to us.  To enhance your call experience we 
developed the "Adjustable Sidetone" feature.

In a nutshell, Sidetone is the ability to hear your own voice during a 
call. The benefit of hearing yourself while on a call is being able to 
adjust your voice level based on your environment. In a quiet environ-
ment you can lower your voice so you don't disturb people around 
you. In a loud environment you can raise your voice so you can be 
heard clearly. In very loud environments you might want to temporar-
ily disable the "Adjustable Sidetone" to avoid picking up a lot of exter-
nal noise.

The "Adjustable Sidetone" can be customized with the slide setting 
in the Sennheiser Smart Control app.

Can I use the CX True Wireless without the Sennheiser Smart Con-
trol app?

Answer:

Yes, you can use the CX True Wireless without the Sennheiser Smart 
Control app for music listening, phone calls and voice assistant 
access. The Smart Control app further enhances this experience by 
adding several additional personalization options such as adjusting 
the audio EQ (incl. Bass Boost), customizing the touch controls and 
selecting the voice prompt language. The Smart Control app also 
enables you to receive the latest firmware updates.

Are the batteries replaceable?

Answer:

The batteries of the earbuds and charging case cannot be 
exchanged. 

Summary of Contents for 508973

Page 1: ...nes Model CX200TW1 CX200TW1 L CX200TW1 R CX200TW1 C Frequently asked questions FAQ Content Before you start During use If a problem occurs Sennheiser electronic GmbH Co KG Am Labor 1 30900 Wedemark Germany www sennheiser com Version June 2021 A01 ...

Page 2: ...d here TrueResponse Transducers I work commute and travel all the time Is the CX True Wireless a good option when on the go Answer The CX True Wireless has been created to deliver the best possible sound experience at any time With enhanced technology such as TrueResponse Transducers improved ergonomics superior all day battery life and IPX4 splash resistance it is now even better to enjoy on the ...

Page 3: ...ooth technology which pre vents power drain of the earbuds when stored in the charging case Despite this this new technology ensures that they still can quickly and automatically switch on and make a rapid Bluetooth connection so they are ready to go when you need them When the earbuds are not in use it is recommended to store them in the charging case How do I charge the earbuds and carrying case...

Page 4: ...s back into the charging case you might experience a small interruption in music reproduction due to the fact that ear buds will change their roles from the primary to the secondary or back In the second case you will not experience any interruptions and will be able to stay 100 focused on the call How do I access the voice assistant Answer Users can activate a preferred voice assistant such as Go...

Page 5: ...feature In a nutshell Sidetone is the ability to hear your own voice during a call The benefit of hearing yourself while on a call is being able to adjust your voice level based on your environment In a quiet environ ment you can lower your voice so you don t disturb people around you In a loud environment you can raise your voice so you can be heard clearly In very loud environments you might wan...

Page 6: ...into your ear for perfect and secure fit Pair the earbuds with your smartphone The Bluetooth pairing mode is activated automatically once you first activate the ear phones Alternatively you can manually activate pairing mode by pressing both touchpads for at least 3 seconds In the Bluetooth menu of your smartphone select CX True Wireless A voice prompt will inform you once the pairing has been com...

Page 7: ...ours has been confirmed for music listening under the following conditions CX True Wireless earbuds fully charged for at least 1 5 hours iPhone within 1 meter distance Bluetooth AAC codec Volume level set to 50 No customized EQ The battery time may differ under different operating conditions How do I check for receive and install firmware updates Answer When using the Sennheiser Smart Control app ...

Page 8: ...ts up red 4 Press and hold the touch control panel for 10 seconds until you hear the voice prompt Pairing and a beep sound The LED of the earbud flashes green and red The earbud is in ear bud pairing mode 5 Now take the second earbud out of the charging case and make sure that the right and the left earbud are close together max distance 50 cm 6 Press and hold the touch control panel of the second...

Page 9: ...arbuds are charged and connected to your Blue tooth device Check that the Bluetooth settings of your connected device have media and calls connection activated Additionally make sure the earbuds are inserted into your ears cor rectly Increase the volume on your Bluetooth device and on the ear buds by pressing on the right earbud s touch pad until you hear the voice prompt Volume max What should I ...

Page 10: ...onds until you hear the voice prompt Pairing and a beep sound If pairing was successful you hear the voice prompt Pairing suc cessful and the LEDs of the earbuds flash blue 3x The earbuds are paired with each other and the factory default settings are restored Now pair the earbuds with your Bluetooth device Are there reasons why the earbuds may not recharge as usual Answer Ensure that the charging...

Page 11: ...mage is dependent on the Bluetooth technology being used by your Bluetooth device For best results make sure you are using a Bluetooth device which fully sup ports Audio Video Distribution Transport Protocol AVDTP 1 3 or higher Thus depending on the Bluetooth device or the mobile app the audio video synchronization experience may vary It is recom mended to use always the latest software for your B...

Page 12: ... also check that the microphone opening is not blocked by the ear itself Additionally wind may sometimes impact the quality of the phone call You could enable disable adjustable sidetone to improve phone call quality Which spare parts are available for my CX True Wireless Answer The following replacements of silicone ear adapters for the CX True Wireless are available 5 pairs of ear adapters White...

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