Sennheiser CX True Wireless Earbuds - Black
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Product Information
Full details
This guide is for users of the Sennheiser CX True Wireless earbuds seeking to maximize their listening experience. The earbuds deliver crystal-clear sound with deep bass and offer up to 27 hours of playtime. Note that while they offer excellent passive noise cancellation, they do not feature active noise cancellation technology.
All features
| Colour | Black |
|---|---|
| Series | CX True Wireless |
| Model Part Number | 40641704427714 |
| Brand | Sennheiser |
Extended Product Information
FAQs
How do I control the volume?
Volume control is handled through the connected device or via the Smart Control App.
Are these earbuds waterproof?
The earbuds are sweat-resistant but not waterproof. Avoid exposing them to excessive moisture.
How do I reset the earbuds?
You can typically reset the earbuds via the Smart Control App or by following the instructions in the user manual.
Can I use these earbuds with any phone?
Yes, as long as your phone supports Bluetooth.
What is the battery life?
You can get up to 9 hours of playtime on a single charge and up to 27 hours with the charging case.
How do I update the firmware?
Firmware updates are typically available through the Smart Control App.
What kind of warranty comes with these earbuds?
The product includes a standard warranty period. Please refer to the product packaging or Sennheiser's official website for warranty details.
Troubleshooting
Earbuds not pairing.
Ensure the earbuds are in pairing mode (open the charging case) and that Bluetooth is enabled on your device. Try forgetting the device in your Bluetooth settings and then re-pairing.
Poor sound quality.
Ensure ear adapters are properly fitted and clean. Adjust the EQ settings in the Smart Control App or try a different Bluetooth codec setting.
One earbud not working.
Make sure both earbuds are charged and properly seated in the charging case. Reset the earbuds via the Smart Control App or try a factory reset.
Battery draining quickly.
Check the volume level; higher volumes drain the battery faster. Also, ensure the earbuds are stored in the charging case when not in use.
Pros and Cons
Pros
- Excellent sound quality with deep bass.
- Long battery life with the charging case.
- Comfortable and secure fit with multiple ear adapter sizes.
- Intuitive controls and personalization via the app.
- Good passive noise cancellation.
Cons
- No active noise cancellation.
- May require app use for full functionality.
- Features may vary based on the device or source.
- Bass boost setting is only available via the app.
Setup, Compatibility & Care
Setup
- Charging: Fully charge the earbuds and charging case before first use.
- Pairing: Open the charging case, and the earbuds will enter pairing mode. Enable Bluetooth on your device and select "Sennheiser CX True Wireless" from the available devices.
- App Installation: Download and install the Sennheiser Smart Control App from the App Store or Google Play Store for personalized settings.
Compatibility
The Sennheiser CX True Wireless earbuds are compatible with devices that support Bluetooth and the following codecs: AAC, aptX, and SBC.
Care
- Cleaning: Clean the earbuds regularly with a soft, dry cloth. Do not use water or cleaning agents.
- Ear Adapters: Clean or replace the ear adapters regularly to maintain hygiene and sound quality.
- Storage: Store the earbuds in the charging case when not in use to protect them and conserve battery life.