Sennheiser CX Plus True Wireless

Get yourself the best-in-class earbuds

Enjoy Active Noise Cancellation, superb ergonomic design and intuitive controls, plus up to 24 hours of play time.

Be in charge of the perfect sound

Immerse yourself with Active Noise Cancellation or stay in control with the Transparent Hearing mode.

First-class sound

Enjoy your music at home, at work or on the go with the bespoke TrueResponse transducer for perfect sound.

Block noise

With Active Noise Cancellation, immerse yourself in the clarity and details of your music and calls without distractions.

Stay aware

You’re in control of your sound: with the Transparency Mode. you can also focus on external sounds and stay in touch with the world around you.

24 hours of play time on your terms

4 sizes of ear adapters for the perfect fit, customizable touch controls for the perfect settings

For your comfort

They are made for you: with their ergonomic design and ear adapters in 4 sizes, you will find the perfect fit for any activity.

Ease of use

Have everything under control from audio and phone calls to fast access to Siri and Google Assistant with the customizable touch controls.

Keep on playing

Want to listen all day long? With 8 hours of battery life and a further 16 hours extra with the charging case, you’ll have up to 24 hours of play time.

Use them whenever you want

Get into the groove with the adjustable Bass Boost, even in the rain.

Deeper bass

Get into the groove with the adjustable Bass Boost activated via the Smart Control App.

Also when wet

Use them whenever you want, even in the rain: with their IPX4 splash resistance you don’t have to worry if it gets wet.

- Sennheiser signature sound

- Active Noise Cancellation & Transparent Hearing

- Personalized controls

- IPX4 splash resistance

- Up to 24 hours play time

Specifications:

- Article number (SKU): 509188 (black), 509189 (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): 114 dB (1kHz/0 dBFS)

- Total harmonic distortion (THD): < 0,08 % (1 kHz, 94 dB SPL)

- Frequency response (microphone): 100 Hz to 10 kHz

- Microphone pick-up pattern: 2-microphone beamforming array

- Battery supply: built-in Lithium rechargeable batteries, 3.7 V

- Battery supply (earbuds): 55mAh

- Battery supply (charging case): 400-420 mAh

- Charging port: USB charging via USB-C socket of the charging case

- Operating time (earbuds): 8 hrs

- Operating time (charging case): 24 hrs

- Charging time: approx. 1.5 hrs for full charge, after 10 min charging 1 hrs music playtime

- Bluetooth version: Bluetooth 5.2

- Bluetooth profiles: HFP, AVRCP, A2DP

- Bluetooth Audio Codec: aptX®, aptX adaptive®, AAC, SBC

- Bluetooth output power: 10 mW (max)

- Active Noise Cancellation: true

- IPX rating: IPX4

- Weight (earbuds): 6 g

- Weight (charging case): 37 g

- Temperature range (operation): 0 to +40°C

- Relative humidity (operation): 10 to 80%, non condensing