MSRP: $379.95
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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.

  • Article number (SKU): 509299
  • 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)
  • Battery supply: Built-in Lithium-Ion rechargeable batteries
  • Battery supply (earbuds): 55 mAh
  • Battery supply (charging case): 400 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 for full charge, after 10 min charging 1 hrs music playtime
  • Temperature range (operation): 0 to +40°C
  • Relative humidity (operation): 10 to 80%, non-condensing
  • IPX rating: IP54, dust protected and splash resistant (earbuds)
  • Weight (earbuds): 6.8 g
  • Weight (charging case): 41.6 g
  • Bluetooth version: Bluetooth 5.2 compatible, class 1, BLE
  • Bluetooth profiles: A2DP, AVRCP, HFP
  • Bluetooth output power: 10 mW (max)
  • Bluetooth Audio Codec: SBC, AAC, aptX™
  • Active Noise Cancellation: false