Sennheiser ACCENTUM Wireless Bluetooth Noise Cancelling Headphones - ACAEBTBK


Sennheiser ACCENTUM Wireless Bluetooth Noise Cancelling Headphones - ACAEBTBK



No matter where life takes you, ACCENTUM Wireless ensures superior sound on-the-go with hybrid ANC and up to 50 hours of playtime for every audio journey.

  • 50-Hour Battery Playtime
  • Sennheiser Signature Sound
  • Hybrid ANC
  • All-day comfort
  • Customizable Sound


  • Unrivaled 50-Hour Battery Playtime - Enjoy exceptional battery life that lasts up to 50 hours on a single charge.
  • Blocks out all distractions with ANC - Stay focused and immerse yourself in your music with effective hybrid active noise cancelling headphones.
  • Your sound, your way - Customized your musical journey with a choice of sound modes, like Bass Boost and Podcast mode. Tailored-to-your-own preference with the built-in 5 Band equalizer.
  • Sennheiser Sound - Discover high-quality Sennheiser audio, thanks to our own engineered and manufactured in-house transducer system.
  • Hear external sounds with a touch - Transparency Mode enables you to stay aware of your surroundings without removing your headphones.
  • All-day comfort – Crafted to deliver incredible comfort, the headphones feature a lightweight and ergonomic design, making them ideal for long music sessions.

Unrivaled 50-Hour Battery Playtime

Keep the music flowing for days on a single charge with ACCENTUM's unmatched 50-hour battery playtime.

No matter where life takes you, ACCENTUM ensures that your soundtrack never fades away. From dawn till dusk, and beyond, enjoy up to 50hrs of captivating sounds with full ANC on. When is finally time to charge, our fast-charge feature gives you 5hrs playtime in 10 minutes so you can power up on the go.


Sennheiser Sound – Your Audio Journey

Indulge in the world of captivating sound, thanks to Sennheiser's powerful 37mm driver.

Engineered in Germany, Sennheiser’s unique acoustic design delivers a superior audio experience. Enjoy crisp, deep bass and brilliant highs. Feel every note, every beat, and every emotion as if you're centerstage.


Tune in to your tunes and tune out the noise!

Say goodbye to distractions and get lost in your music with our hybrid Active Noise Cancellation.

Whether you're hustling through a busy street or seeking alone time in a crowded place, our ANC technology ensures that your audio journey remains uninterrupted. When you need to stay in touch with reality without disconnecting from your music Transparency Mode lets you do just that. With a button, gain awareness of your surroundings without removing your headphones.


All-Day Comfort, Every Day

Designed for marathon-long listening sessions with a lightweight and ergonomic design for maximum comfort.

Cushioned earcups hug your ears, while the soft-touch silicon-lined headband ensures a secure fit without compromising on comfort. Whether it's throughout your daily commute or a late-night groove, ACCENTUM stays in place softly on your ears accompanying your audio journey.

Its effortless elegant design will withstand the demands of your daily routine without compromising on the robustness of Sennheiser’s build-to-last quality. And for ultimate comfort and easy portability, ACCENTUM fold-flat makes it more compactable, ready to face every challenge and embrace every moment.


Your Sound, Your Way

Customize your audio adventure with our Smart Control App. Craving deep bass? Activate Bass Boost mode.

Need crystal-clear speech for podcasts? Activate Podcast mode.

If that's not enough, the built-in 5 Band equalizer empowers you to fine-tune every detail, shaping your listening experience to perfection.


What’s in the box

ACCENTUM includes (1) one pair of ACCENTUM Wireless headphones, (2) one USB-C charging cable, and (3) one quick guide to get you started in no time.


Smart Control App


For a truly tailored experience, download the Sennheiser Smart Control app to easily customize your sound using the 5-band built-in EQ, sound modes, and Sound Zones.

Speaker type/size37mm diameter
Speaker principleDynamic
Supported codecsSBC, AAC, aptX™, aptX HD™, mSBC, CVSD
Supported ProfilesA2DP, AVRCP, HFP, HSP, GATT
Transmission frequency / modulation2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK, 8 DPSK
ConnectivityBluetooth 5.2 compliant, class 1, 10 mW (max)
Article number (SKU) Black700174
Article number (SKU) White700175
Ear CouplingAround-the-ear, circum-aural
Wearing styleHeadband stereo headphones
Battery energy3.0 Wh
Lithium content (primary)0,00024 kg
Battery weight0,016 kg
Voltage3.7 V
Size/Format (depth)0,65 cm
Size/Format (height)4,46 cm
Size/Format (width)3,55 cm
Capacity800 mAh
Qty (# of batteries for this type) outside product0
Qty (# of batteries for this type) inside product1
Lithium-Ion cells1 (single)
Custom tariff code851762 (BT headsets)
Country of originDesigned in Germany, Made in China
App supportSennheiser Smart Control app for iOS™ and Android™
Relative humidity (storage)10 to 90%
Relative humidity (operation)10 to 80%
Temperature range (storage)-20 °C to +60 °C
Temperature range (charging)+10 °C to +40 °C
Temperature range (operation)0 °C to +40 °C
Dimensions dimension (without feet)Approx. 16,5 x 19,5 x 4,8
Dimensions (with feet)Approx. 16,5 x 19,5 x 4,8
Product weight0,222 kg
Magnetic field strengthark3.0 mT
Power Supply5 V⎓, 700 mA max, USB charging via USB-C socket
Battery typeBuilt-in Lithium-Ion rechargeable battery 800 mAh
Charging timeApprox. 3 hrs for full charge; After 10 min charging up to 5 hrs music playtime
Battery lifespanUp to 50 hrs music playtime via Bluetooth and with ANC (test condition: iPhone, medium volume level)
Mic pick-up pattern2 mics, beamforming for noise reduction
Mic frequency range50 Hz to 8 kHz
Mic principleMEMS
Active Noise CancellationHybrid ANC
Speaker THD<0,3% (1 kHz / 100 dB SPL)
Speaker sensitivity106 dB SPL (1 kHz / 0 dBFS)
Speaker frequency range10 Hz to 22 kHz

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