2 years international warranty
30 days free return
SPORT True Wireless

SPORT True Wireless

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Article number: 509299


  • Sennheiser Signature Sound – Powered by Sennheiser TrueResponse transducer, a 7mm dynamic audio driver that delivers a high-end sound experience with full bass.
  • Adaptable Acoustics – Open and Closed ear adapter options let you choose between either higher running comfort with more situational awareness or blocking outside noise for a focused and immersive audio experience.


  • Secure Customized Fit - Interchangeable fins and a choice of ear adapters let you achieve a perfectly secure fit.
  • IP54 Dust, Splash & Sweat Resistance  - Durability you can count on for your toughest workouts – the earbuds take on dust, rain and sweat.  
  • Battery Life – 9 hours playback with up to 27 hours with the charging case.


  • Built-In Equalizer – Tailor the sound experience using the Smart Control App.
  • Intuitive touch controls – Touch interface control of music, calls and voice assistant for effortless operation.
  • Adjustable Sidetone – Sidetone makes phone calls more comfortable by letting you hear your own voice during calls.
  • Connectivity – Compatible with Bluetooth 5.2. Connects to TV and Sport equipment so you can stream your workout at home or stay connected in the gym.

Key Features

  • Sennheiser signature sound
  • Adaptable acoustics
  • Secure customized fit
  • IP54: Dust, splash & sweat resistance
  • Up to 27 hours play time

Sound driven performance

Boost your exercise with an exceptional audio experience.

Signature sound

Powered by Sennheiser TrueResponse transducer, a 7mm dynamic audio driver that delivers a high-end sound experience with full bass.

Built-In Equalizer

Fine-tune the sound experience to your taste with a choice of presets and an intuitive equalizer through the Smart Control App.

Your workout, your sound

Discover sports-optimized control of how you experience sound and hear your environment.

Tailor your sound experience for the level of immersion or awareness you prefer. Our unique Adaptable Acoustic feature offers the choice of either Open or Closed ear adapters, that match with special EQ modes to provide the perfect setting for your exercise. 

Choose an Open ear adapter style to stay aware of your surroundings but at the same time minimize body-borne noise, like hearing your own breathing or footsteps. Or simply switch to an insulating Closed ear adapter that blocks outside sound for an immersive audio experience.

Secure customized fit

Enjoy a comfortable and secure fit no matter how intense your exercise.

Customize the ergonomic fit of your SPORT True Wireless earbuds with a choice of ear adapters in three sizes and four different ear fins, so they stay comfortably in place during any performance.

Tough design

Count on durability that can withstand your toughest workouts. 

Splash, dust and sweat resistance

There’s no need to slow down when conditions get tough: the sleek durable design has an IP54 rating so it can easily handle sweat, rain or workouts on the beach.

Peak endurance

Delivering 9 hours playback time and a further 18 hours with on-the-go charging via the case, for a total of 27 hours.


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 SPL (1 kHz/0 dBFS)
Total harmonic distortion (THD) < 0,08 % (1 kHz, 94 dB SPL)
Frequency response (microphone) 100 Hz – 10 kHz
Microphone pick-up pattern 2 mic beamforming arrays (4 mic total)
Operating time (earbuds) 9 hrs
Operating time (charging case) 27 hrs
IPX rating IP54, dust protected and splash resistant (earbuds)
Bluetooth version Bluetooth 5.2 compatible, class 1, BLE
Bluetooth Audio Codec SBC, AAC, aptX™

What's in the Box

  • SPORT True Wireless earbuds
  • Charging case with lanyard
  • USB-C charging cable
  • Closed and Open ear adapter sets (S/M/L)
  • Ear fins sets (N, S1, S2 , S3)
  • Quick Guide & Safety Guide

Customer Reviews

Based on 131 reviews
Pas mal pour le prix

Pour +-85€, ce sont des écouteurs efficaces. Par contre, je suis extrême déçu du mode Focus qui, en plus de ne pas bien isoler du monde extérieur, propose un son froid et sans relief.
La qualite du son du mode aware est plutôt bonne et le maintient pendant le sport est excellent.

Michael S.
Works as advertised

Wanted these so I can control with my phone. Love that capability.

Good choice, great sound

No regrets, buying these earphones was an excellent choice and I would do it again. The sound is awesome!

Bon choix

Livraison rapide, produit intuitif et bonne autonomie. Je recommande

Nice. Very nice!

Long battery life, great sound and great comfort for a fair price. What's not to love!