CX Plus True Wireless True Wireless stereo earbuds Model: CXPLUSTW1, CXPLUSTW1 R, CXPLUSTW1 L, CXPLUSTW1 C Instruction manual 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.
Important safety instructions 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 the product if it is obviously defective or makes loud, unusual (whistling or beeping) noise. ▷ Only use the product in environments where Bluetooth® wireless transmission is permitted.
Important safety instructions Safety instructions for lithium-ion rechargeable batteries WARNING If abused or misused, rechargeable batteries may leak. In extreme cases, they may even present a risk of: • explosion, • fire development, • heat generation, • 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 °F to 104 °F.
Important safety instructions Using the “Sennheiser Smart Control” app, you can update the firmware of the product for free via an Internet connection.
Package contents Package contents Earbud R for right ear (model: CXPLUSTW1 R) and earbud L for left ear (model: CXPLUSTW1 L) Charging case (model: CXPLUSTW1 C) with built-in rechargeable battery for the earbuds USB charging cable with USB-C and USB-A connector, length approx. 0.25 m Silicone ear adapters (size XS, S, M (pre-mounted to the earbuds) and L) Quick guide Safety guide Online you can find: • this detailed instruction manual and additional information (www.sennheiser.
Product overview Product overview Charging case Model: CXPLUSTW1 C 6 5 7 6 1 6 2 3 4 8 LED displays the charging process/charge status of the rechargeable battery of the charging case or of the earbuds (when inserted into the charging case) Input for USB-C connector for charging the rechargeable batteries 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
Product overview Earbuds Model: CXPLUSTW1 R and CXPLUSTW1 L CXPLUSTW1 L B A CXPLUSTW1 R C C H A D D 0 0 F E E E F I G E I G Touch control panel Changeable silicone ear adapters Left earbud L Status LED Infra-red carrying senor Magnetic holders Charging contacts Microphones for the active noise cancellation ANC, for the perception of ambient noise (“Transparent Hearing”) and for phone calls Right earbud R Built-in rechargeable battery CX Plus True Wireless | 7
Product overview Overview of the LED indications of the charging case When a USB cable is connected, the LED of the charging case permanently displays the charging process: Charging case Charging case WITH WITHOUT earbuds earbuds inserted inserted LED pulses yellow ... earbuds and charging case are being charged ... charging case is being charged lights up green ... earbuds and charging case are fully charged ... charging case is fully charged flashes red ...
Product overview Charging case Charging case WITH WITHOUT earbuds earbuds inserted inserted LED lights up green ... earbuds are fully charged and the charging case can still charge at least one complete cycle pulses yellow ... earbuds are being charged via the rechargeable bat– tery of the charging case lights up yellow ... earbuds are fully charged, the charging case cannot charge another complete cycle lights up red ... rechargeable bat...
Product overview LED Meaning; the earbuds... flashes red-blue for approx. ... are in Bluetooth pairing mode 1 minute 3x flashes blue 3x ... Bluetooth pairing or earbud pairing successful 3x flashes red 3x ... Bluetooth pairing or earbud pairing failed lights up blue ... are connected to a device via Bluetooth lights up red ... are not connected to a device via Bluetooth or the connection has been lost flashes red quickly ... rechargeable battery is almost empty flashes red slowly ...
Getting started Getting started 1. Waking up the earbuds and the charging case and charging the rechargeable batteries L R USB-C USB-A Upon delivery, the rechargeable batteries of the earbuds and the charging case are in sleep mode and have to be woken up by connecting them to a power source once. ▷ Insert the earbuds into the charging case. ▷ Connect the USB-C cable to the charging case and to a USB power source (> 14).
Getting started Left L Right R ▷ Assign the right earbud to your right ear and the left earbud to your left ear. ▷ Insert the earbuds at a slight angle into the ears and twist them slightly into the ear canal so that they sit comfortably and snugly in the ear canal. 3. Connecting the earbuds to a Bluetooth device “Pairing“ L R 3s Connect the earbuds to your smartphone via Bluetooth (> 16). 4.
Using the earbuds Using the earbuds Information on the rechargeable battery, the charging process and the first use The earbuds and the charging case each have a built-in rechargeable battery. The charging case allows you to store the earbuds safely at all times while they are being charged. Rechargeable battery Operating time with fully charged rechargeable batteries Earbuds approx.
Using the earbuds Charging the rechargeable battery of the earbuds and the charging case 1 L 2 R 3 USB-A USB-C 1. Open the charging case by overcoming a slight magnetic resistance and insert the left earbud into the left charging compartment and the right earbud into the right charging compartment. The earbuds are magnetically pulled into the charging compartments. 2. Connect the USB-C connector of the USB cable to the USB-C socket of the charging case. 3.
Using the earbuds Connecting the earbuds to a Bluetooth device To be able to use the Bluetooth wireless connection, you must register both devices (earbuds and e.g. smartphone) via the device settings of your smartphone. This process is called pairing. If operation differs from the steps mentioned, also refer to the instruction manual of the Bluetooth device you are using. When you switch on the earbuds for the first time after initial charging, they automatically switch to Bluetooth pairing mode.
Using the earbuds Paired and connected Bluetooth device Paired Bluetooth device (currently not connected) The right and the left earbud also use a Bluetooth wireless connection. Both earbuds are paired with each other upon delivery. If you are using a different earbud (e.g. a spare earbud), the two earbuds must also be paired with each other (> 34). Pairing the earbuds with a Bluetooth device 1 2 “Pairing“ L R max.
Using the earbuds If no connection is established within 1 minute, pairing mode is terminated and the earbuds switch to idle mode. If necessary, repeat the steps described above. If the earbuds are not paired with any Bluetooth device (the pairing list is empty), pairing mode is permanently active.
Using the earbuds 2. After 20 seconds, the earbuds are paired with each other. The LED of the charging case then lights up red and green 3x. The earbuds are now paired with each other. If you have closed the lid of the charging case too early, repeat the above procedure. After the pairing process with a spare earbud, all settings are reset. Pair the earbuds with your smartphone again (> 16).
Using the earbuds 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.
Using the earbuds Selecting suitable ear adapters for optimum fit of the earbuds XS S M L Click The perceived sound quality including bass performance and the best possible noise cancellation depend to a large extent on the correct fit of the earbuds 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.
Using the earbuds The Smart Pause function automatically stops music playback if you remove an earbud from your ear (> 25). Switching the earbuds on WARNING Danger of hearing damage due to high volume levels! Listening at high volume levels can lead to permanent hearing defects. ▷ Before putting the headphones on, adjust the volume to a low level (> 22). ▷ Do not continuously expose yourself to high volume levels.
Using the earbuds Switching the earbuds off L R The earbuds do not have to be switched off explicitly. ▷ Insert the earbuds into the charging case to switch them off. As soon as the earbuds are inserted into the charging case, they switch off and are being charged (> 14). The earbuds automatically switch to idle mode if no paired Bluetooth device can be found within 15 minutes.
Using the earbuds When the minimum or maximum volume is reached, you hear the voice prompt “Volume max” or “Volume min”. You can also adjust the volume using the connected Bluetooth device. Information on active noise cancellation ANC Due to the wearing style in the ear canal, the earbuds provide effective passive isolation from ambient noise. In addition, the earbuds have an active noise cancellation (ANC) function, which allows you to reduce ambient noise to a minimum.
Using the earbuds ON/OFF 3xL You can also activate or deactivate the active noise cancellation ANC via the Smart Control app. Listening of ambient noise or conversations - activating/deactivating the Transparent Hearing function With Transparent Hearing activated, you can hear ambient sounds or communicate without having to remove the earbuds from your ears. This allows you to hear e.g. announcements in the train or aircraft or to have short conversations.
Using the earbuds Transparent Hearing Description “Keep music playing and mix with ambient sound” Audio playback (e.g. music) continues and is mixed with ambient sounds. “No music playback, only Audio playback (e.g. music) is muted ambient sound”* and you hear only ambient sounds. *: default setting Using the voice assistant/voice dialing ▷ Tap the touch control panel of the right earbud 3x.
Using the earbuds 1x Playing/pausing music ▷ Tap the touch control panel of the right earbud 1x. Right touch control panel Tap 1x Function Plays or pauses music Playing the previous track ▷ Tap the touch control panel of the left earbud 2x. 2xL Left touch control panel Tap 2x Function Plays the previous track in the playlist Playing the next track ▷ Tap the touch control panel of the right earbud 2x.
Using the earbuds Making calls using the earbuds The call functions are only available when the earbuds and the smartphone are connected via Bluetooth. Some smartphones and telephony apps (e.g. WhatsApp, Skype, WeChat) may not support all call control functions. During a call, you can use the right and/or left earbud to control the call functions. Making a call ▷ Dial the desired number on your smartphone.
Using the earbuds You can activate (default setting) or deactivate the function via the Smart Control app. Note that both earbuds must be switched on to adjust the settings for both earbuds (right and left). The right or left earbud can be used alone. If you insert one earbud into the charging case during use, a short interruption of playback may occur in the other earbud.
Using the earbuds Charging case Charging case WITH WITHOUT earbuds earbuds inserted inserted LED lights up green ... earbuds are fully charged and the charging case can still charge at least one complete cycle pulses yellow ... earbuds are being charged via the rechargeable bat– tery of the charging case lights up yellow ... earbuds are fully charged, the charging case cannot charge another complete cycle lights up red ... rechargeable bat...
Using the earbuds Adjusting sound effects/the equalizer To be able to use the sound effects/equalizer, you require the Smart Control app (> 19). ▷ In the Smart Control app, select the desired sound effects via the equalizer. You can use predefined presets or define your own settings. The sound effects are stored in the earbuds. These sound settings are active even without using the Smart Control app, i.e. when you are using a different Bluetooth device.
Using the earbuds Storing or transporting the earbuds in the charging case Store the earbuds in the charging case to prevent damage to the earbuds when you are not using them or transporting them. The earbuds are automatically charged in the charging case so you always have the full battery life to work with. ▷ Open the lid of the charging case by overcoming a slight magnetic resistance and insert the left earbud into the left charging compartment and the right earbud into the right charging compartment.
Care and maintenance of the earbuds/charging case Care and maintenance of the earbuds/charging case CAUTION Liquids can damage the electronics of the product! Liquids entering the housing of the product can cause a short-circuit and damage the electronics. ▷ Keep all liquids far away from the product. ▷ Do not use any solvents or cleansing agents. ▷ Only clean the charging case with a soft, dry cloth. ▷ Clean the earbuds with a slightly damp cloth.
Care and maintenance of the earbuds/charging case XS S M L Click Information on the built-in rechargeable battery Sennheiser ensures and guarantees that the rechargeable batteries perform at their optimum upon purchase of the product.
FAQ/If a problem occurs ... FAQ/If a problem occurs ... Current list of frequently asked questions (FAQ) Visit the CX Plus True Wireless product page at www.sennheiser.com There you will find a current list of frequently asked questions (FAQ) and suggested solutions. Your question has not been answered or the problem persists? If a problem occurs that is not listed in the FAQ section or if the problem cannot be solved with the proposed solutions, please contact your Sennheiser partner for assistance.
FAQ/If a problem occurs ... 3. Touch and hold the touch control panel of the earbud that is not in the charging case for 10 seconds. The LED on this earbud alternately lights up green and red. 4. Now stop touching the touch control panel. 5. Place the earbud back into the charging case. Be sure to leave the lid of the charging case open when doing so. After 20 seconds, the earbuds are reset to the factory default settings and automatically paired with each other.
FAQ/If a problem occurs ...
Specifications Specifications CX Plus True Wireless Model: CXPLUSTW1, CXPLUSTW1 C, CXPLUSTW1 L, CXPLUSTW1 R Wearing style True Wireless stereo earbuds Ear coupling ear-canal Frequency response 5 Hz to 21 kHz Transducer principle dynamic Transducer size 7 mm Sound pressure level (SPL) 114 dB (1 kHz/0 dBFS) THD (1 kHz, 94 dB SPL) ≤ 0.
Specifications Bluetooth 38 | CX Plus True Wireless Version Bluetooth 5.
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.
Manufacturer Declarations The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Sennheiser electronic GmbH & Co. KG is under license. Qualcomm aptX is a product of Qualcomm Technologies International, Ltd. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission. aptX is a trademark of Qualcomm Technologies International, Ltd.