Sennheiser CX Plus True Wireless - Black

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Sennheiser CX Plus True Wireless - Black

Sennheiser CX Plus True Wireless - Black

SKU: 112525946 MODEL: 509188
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The time is now to get yourself the best-in-class earbuds that make listening a joy. With Active Noise Cancellation to block out your surroundings and Transparent Hearing to stay aware whenever you want. The new CX Plus True Wireless earbuds have it all. Like superb ergonomic design and intuitive controls for maximum comfort and ease of use. And up to 24 hours of play time to enjoy crystal-clear sound and deep bass you can customize. Everything for a great sound experience all day long. Explore


  • Sennheiser Superior Sound

    Powered by Sennheiser’s TrueResponse transducer for high fidelity sound

  • Active Noise Cancellation & Transparent Hearing

    Block out noise or gain awareness of external sounds at a touch in any environment

  • Built-in Equalizer and Bass Boost

    Adjust the Equalizer and Bass Boost levels for a tailored sound and audio experience

  • IPX4

    Splash resistance for trouble-free use while travelling,commuting or exercising

  • Compact, Ergonomic Design

    With 4 ear adapter sizes to ensure optimal comfort and a secure fit for anyone

  • Battery Life

    Up to 8 hours and 24 hours of play back time with on the go charging via the case

  • Customizable Touch Controls

    Personalize touch controls for music, calls and voice assistant to match individual preference for intuitive operation

  • Independent Earbud Use

    Convenient feature enables the left and right earbuds to be used individually or as a pair

  • Noise Reduced Microphones

    Crystal-clear voice pickup by dual beamforming mics on each earbud to ensure speech optimized calls and voice assistant access (Siri and Google Assistant)

  • Smart Pause

    The earbuds pause and resume playback automatically when taken out or replaced in the ear

  • Connections Management

    Bluetooth connections can be easily managed via the Sennheiser Smart Control app

  • What's in the Box

    • CX Plus True Wireless Earbuds
    • Charging case
    • USB-C charging cable
    • Silicone ear adapter sets (XS/S/M/L)


CX Plus


0.45 lbs.
Noise Cancellation
Active Noise Cancellation
Ear Coupling
In-ear, closed acoustics
Water Resistant
Carrying Case
Volume, Voice assistant, Call, Track selection
Bluetooth 5.2 compliant. Class 1, 10 mW
Connection Type
True Wireless
App Support
Sennheiser Smart Control App for iOS™ and Android™
Frequency Response
100 Hz to 10 kHz
2 mic beamforming arrays (4 mics in total)
Speaker Type
TrueResponse Transducer Sennheiser 7mm dynamic driver
Bass Boost
Via Smart Control App
Frequency response
5 hz - 21,000 Hz
EQ pre-set via Smart Control App
Battery Specification
Built-in Lithium-Ion rechargeable batteries L/R earbud: ~55 mAh; charging case: ~400-420 mAh
Charging Time
1.5 h for full charge / 10 min for 1 h playtime
Battery Time
up to 24 hours overall playtime with charging case
Charging Interface(s)


Manufacturer Warranties

  • 2 Years Parts and Labor

Q & A


509188 Sennheiser CX Plus True Wireless - Black

Sennheiser CX Plus True Wireless - Black - 179.99

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