- True wireless Bluetooth 5.2 headphones
- Autonomy of up to 9 hours (headset) and up to 27 hours with the charging case
- SENNHEISER brand sound
- IPX4 certification resistant to splashing water
What's in the box
- CX True Wireless Earbuds
- Silicone ear adapter sets (XS, S, M, L)
- Charging Case
- USB-C Cable
- Quick Guide & Safety Guide
Article number (SKU): 508973 (black), 508974 (white)
Wearing style: true wireless stereo earphones
Ear coupling: ear canal
Frequency response (speaker): 5 Hz to 21 kHz
Transducer principle: dynamic, closed-back
Transducer size: 7 mm, TrueResponse™
Sound pressure level (SPL): 110 dB (1 kHz/0 dBFS)
Total harmonic distortion (THD): < 0.08 % (1 kHz, 94 dB SPL)
Frequency response (microphone): 100 Hz to 10 kHz
Battery supply: built-in Lithium rechargeable batteries, 3.7 V
Microphone pick-up pattern: 2-microphone beamforming array
Charging time: 1.5 h for full charge / 15 min for 1 h playtime
Battery supply (earbuds): 55-72 mAh
Battery supply (charging case): 400-420 mAh
Charging port: USB charging via USB-C socket of the charging case
Operating time (earbuds): 9 hrs
Operating time (charging case): 27 hrs
Charging time: approx. 1.5 hrs
Bluetooth version: Bluetooth 5.2
Bluetooth profiles: HFP, AVRCP, A2DP
Bluetooth Audio Codec: aptX®, AAC, SBC
Bluetooth output power: 10 mW (max)
Active Noise Cancellation: false
Weight (earbuds): 6g
Weight (charging case): 37g
Temperature range (operation): 0 to +40°C
Relative humidity (operation): 10 to 80%, non-condensing
- Everyday headphones
Despre baterie și încărcare
No compromises on the sound side
Wherever you are and whatever you do, enjoy your favorite music with the TrueResponse speaker for clear sound. With the added Bass Boost function and the built-in equalizer through the Smart Control application, you can shape the sound to your liking. You can forget about your surroundings to focus on music and calls thanks to passive noise cancellation.
The ergonomic design ensures great wearing comfort. And with the adapters in 4 sizes, it's easy to get a secure fit for any activity.
Customizable touch controls allow easy control of sound and calls and provide quick access to Siri and Google Assistant.
You can go outside at any time and have an amazing listening experience, even when it's humid, thanks to the splash resistance with IPX4 certification.
Get your own sound experience
Pair your Sennheiser device with the Smart Control app.
Customize what you hear and how you interact with your Sennheiser device.