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CX True Wireless  |  7

best? 

Answer:

The CX True Wireless has been created to provide exceptional sound 
performance, thanks to  TrueResponse Transducers technology, the 
internal audio EQ and latest high-quality Bluetooth codecs.

However, to experience this sound to the full, it is essential to cor-
rectly place the earbuds in the ear-canal and to choose the best-fit-
ting ear adapter set. The CX True Wireless comes with four sizes of 
ear adapters (XS, S, M, L) included in the box. The CX True Wireless 
quick guide explains precisely how to twist the earbuds into your 
ears to form a perfect seal within the ear-canal.

Please note that the sound may have been adjusted using the EQ 
function of the Smart Control app. To see if this is the case, connect 
to the Smart Control app and check the equalizer settings to ensure 
the desired sound.

What settings are recommended to get the 9-hour battery life 
that's specified? 

Answer:

The specified battery time of 9 hours 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, you will receive a 
notification once a new firmware release is available. The app will 
guide you through the update process. The firmware update will be 
installed over-the-air via the Bluetooth wireless connection. 

Additionally, you can check for the current firmware release status in 
the Smart Control app's settings. 

Do the earbuds switch off automatically when not in use?

Answer:

The CX True Wireless has integrated power-saving features. When 
the earbuds are disconnected from a Bluetooth source and not in 
use, they will switch off automatically after 15 minutes. 

To turn the earphones on again, press each touch pad for more than 
2 seconds.

You can change the time to automatically turn off the earbuds within 
the Sennheiser Smart Control app.

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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