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CX True Wireless
True Wireless stereo earbuds
Model: CX200TW1, CX200TW1 R, CX200TW1 L, CX200TW1 C
Instruction manual
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Sennheiser electronic GmbH & Co. KG
Am Labor 1
30900 Wedemark
Germany
www.sennheiser.com
Version: 04/21 A01
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Table of Contents
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Summary of Contents for Sennheiser CX
- Page 1 Use the search function, the navigation (left) or the following links: Start “Product overview” “Getting started” “Using the earbuds” “FAQ/If a problem occurs ...” “Specifications” Sennheiser electronic GmbH & Co. KG Am Labor 1 30900 Wedemark Germany www.sennheiser.com Version: 04/21 A01...
- Page 2 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. ▷...
- Page 3 Sennheiser or companies commissioned by Sennheiser and is not processed. Using the “Sennheiser Smart Control” app, you can update the firm- ware 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-...
- Page 4 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 con- sistent with the USB specifications. Sennheiser is not liable for dam-...
- Page 5 • the Sennheiser Smart Control app for configuring the head- phones and for additional functions (www.sennheiser.com/ smartcontrol) A list of accessories can be found on the CX True Wireless product page at www.sennheiser.com. Alternatively, contact your local Sennheiser partner: www.sennheiser.com/service-support.
- Page 6 Built-in rechargeable battery for charging the earbuds on the go Type plate Charging compartment for the left earbud L Magnetic holders Charging compartment for the right earbud R Charging contacts 6 | CX True Wireless...
- Page 7 Models CX200TW1 R and CX200TW1 L Touch control panel Changeable silicone ear adapters Left earbud Status LED Charging contacts with magnetic holders Microphones for phone calls Right earbud Openings for acoustic optimization Built-in rechargeable battery CX True Wireless | 7...
- Page 8 LED of the charging case displays the battery charge status or the charging process of the earbuds. If you close the lid of the charging case, the LED will go off after approx. 30 seconds. 8 | CX True Wireless...
- Page 9 (at least 30 minutes) until the LED lights up again (> 14). If you leave the lid of the charging case open, the LED will go off after approx. 5 minutes. Overview of the LED indications of the earbuds CX True Wireless | 9...
- Page 10 “Pairing successful” ... Bluetooth pairing successful “Pairing failed” ... Bluetooth pairing not successful “Recharge headset” ... rechargeable battery is almost empty. Recharge the rechargeable battery. “Call rejected” ... incoming call rejected “Call ended” ... call ended 10 | CX True Wireless...
- Page 11 ▷ 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 (> 20). CX True Wireless | 11...
- Page 12 Smart Control “Sennheiser Smart Control” The Sennheiser Smart Control app allows you to use all functions and settings of the earbuds and to e.g. adjust the sound to your liking using the equalizer (> 19). 12 | CX True Wireless...
- Page 13 1.5 hours. The quick charge function gives you approx. 1 hour of playback time after 10 minutes of charging. Sennheiser recommends using the supplied USB cable and a com- patible standard USB power supply for charging the headphones.
- Page 14 • Clean the contacts on the earbuds and in the charging case (> 30). • Charge the rechargeable batteries of the earbuds and the charging case (at least 30 minutes) until the LED lights up again. 14 | CX True Wireless...
- Page 15 If you want to re-establish a connection with the overwritten Bluetooth device, you have to pair the earbuds again. Using the Smart Control app, you can view the list of paired devices and selectively connect and disconnect devices (“Connections”; > 17). CX True Wireless | 15...
- Page 16 All active Bluetooth devices in the proximity of your smartphone are displayed. From the list of found Bluetooth devices, select “CX True Wire- less”. If necessary, enter the default pin code “0000”. If pairing was successful, you hear the voice prompt “Pairing suc- cessful”...
- Page 17 This pairing process resets the earbuds to the factory default settings. 1. Make sure that the earbuds are not connected to any Bluetooth device. Deactivate Bluetooth on your Bluetooth device or delete CX True Wireless | 17...
- Page 18 Using the earbuds “CX True Wireless” from the list of paired devices in the Bluetooth menu of your Bluetooth device. 2. Charge the right and the left earbud (> 14). 3. Take one earbud out of the charging case. The LED of the earbud lights up red.
- Page 19 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.
- Page 20 (> 20). You can use the right or left earbud alone. If you insert one earbud into the charging case during use, a short interruption of playback may occur in the other earbud. 20 | CX True Wireless...
- Page 21 5 minutes. In power saving mode, inserted earbuds are not recognized or switched on/off when removed/inserted. Close the lid of the charging case and open it again to end the power saving mode. CX True Wireless | 21...
- Page 22 Listening at high volume levels can lead to permanent hearing defects. ▷ Before putting the headphones on and before toggling between audio sources, adjust the volume to a low level. ▷ Do not continuously expose yourself to high volume levels. 22 | CX True Wireless...
- Page 23 Ask the voice assistant your question or make a request. To cancel the voice assistant/voice dialing: ▷ Tap the touch control panel of the right or left earbud 3x. ON/OFF Right or left touch control Function panel Tap 3x Activates the voice assistant CX True Wireless | 23...
- Page 24 Tap the touch control panel of the left earbud 2x. Left touch control panel Function Tap 2x Plays the previous track in the playlist Playing the next track ▷ Tap the touch control panel of the right earbud 2x. 24 | CX True Wireless...
- Page 25 ▷ Dial the desired number on your smartphone. If your smartphone does not automatically transfer the call to the headphones, select “CX True Wireless” as the audio source on your smartphone (see the instruction manual of your smartphone if necessary).
- Page 26 Open the lid of the charging case. The LED of the charging case displays the battery charge status. If you close the lid of the charging case, the LED will go off after approx. 30 seconds. 26 | CX True Wireless...
- Page 27 ... a charging error/ ... a charging error/ battery error has flashes battery error has been detected in at been detected in the least one earbud (> charging case (> 31) CX True Wireless | 27...
- Page 28 (e.g. rechargeable battery is empty). Note that both earbuds must be switched on to adjust the settings for both earbuds (right and left). 28 | CX True Wireless...
- Page 29 The earbuds are magnetically pulled into the charging compart- ments. ▷ Close the lid of the charging case. CX True Wireless | 29...
- Page 30 12 hours. Replacing the ear adapters For reasons of hygiene, you should replace your ear adapters from time to time. Spare ear adapters are available from your Sennheiser partner. 1. Pull the ear adapter away from the in-ear sound tunnel.
- Page 31 Do not return a product with a defective battery to your dealer or Sennheiser partner unless requested to do so. To find a Sennheiser partner in your country, search at www.sennheiser.com/service-support. Installing firmware updates Firmware updates can be downloaded free of charge from the Inter- net using the Sennheiser Smart Control app.
- Page 32 If a problem occurs that is not listed in the FAQ section or if the prob- lem cannot be solved with the proposed solutions, please contact your Sennheiser partner for assistance. To find a Sennheiser partner in your country, search at www.sennheiser.com/service-support. Leaving the Bluetooth transmission range Wireless calling and streaming are only possible in the Bluetooth transmission range of your smartphone.
- Page 33 37 g Bluetooth Version Bluetooth 5.2 compatible, class 1, BLE Transmission frequency 2,402 MHz to 2,480 MHz GFSK, π/4 DQPSK, 8DPSK Modulation Profiles HFP, AVRCP, A2DP Output power 10 mW (max) Codec aptX®, AAC, SBC CX True Wireless | 33...
- Page 34 Specifications Device name CX True Wireless Number of active connections 34 | CX True Wireless...
- Page 35 Manufacturer Declarations Manufacturer Declarations Warranty Sennheiser electronic GmbH & Co. KG gives a warranty of 24 months on this product. For the current warranty conditions, please visit our website at www.sennheiser.com or contact your Sennheiser partner. In compliance with the following requirements •...
- Page 36 Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with per- mission. Other product and company names mentioned in the user documen- tation may be the trademarks or registered trademarks of their respective holders. 36 | CX True Wireless...