Sennheiser ACCENTUM Wireless Over-Ear Wireless Noise-Canceling Headphones


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Brand: Sennheiser



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.


  • 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.

Wearing style

Headband stereo headphones

Ear Coupling

Around-the-ear, circum-aural


Bluetooth 5.2 compliant, class 1, 10 mW (max)

Transmission frequency / modulation

2,402 MHz to 2,480 MHz; GFSK, π/4 DQPSK, 8 DPSK

Supported Profiles


Supported codecs

SBC, AAC, aptX™, aptX HD™, mSBC, CVSD

Speaker principle


Speaker type/size

37mm diameter

Speaker frequency range

10 Hz to 22 kHz

Speaker sensitivity

106 dB SPL (1 kHz / 0 dBFS)

Speaker THD

<0,3% (1 kHz / 100 dB SPL)

Active Noise Cancellation

Hybrid ANC

Mic principle


Mic frequency range

50 Hz to 8 kHz

Mic pick-up pattern

2 mics, beamforming for noise reduction

Battery lifespan

Up to 50 hrs music playtime via Bluetooth and with ANC (test condition: iPhone, medium volume level)

Charging time

Approx. 3 hrs for full charge; After 10 min charging up to 5 hrs music playtime

Battery type

Built-in Lithium-Ion rechargeable battery 800 mAh

Power Supply

5 V⎓, 700 mA max, USB charging via USB-C socket

Magnetic field strengthark

3.0 mT

Product weight

0,222 kg

Dimensions (with feet)

Approx. 16,5 x 19,5 x 4,8

Dimensions dimension (without feet)

Approx. 16,5 x 19,5 x 4,8

Temperature range (operation)

0 °C to +40 °C

Temperature range (charging)

+10 °C to +40 °C

Temperature range (storage)

-20 °C to +60 °C

Relative humidity (operation)

10 to 80%

Relative humidity (storage)

10 to 90%

App support

Sennheiser Smart Control app for iOS™ and Android™

Country of origin

Designed in Germany, Made in China

Custom tariff code

851762 (BT headsets)


UN 3481

Lithium-Ion cells

1 (single)

Qty (# of batteries for this type) inside product


Qty (# of batteries for this type) outside product







800 mAh

Size/Format (width)

3,55 cm

Size/Format (height)

4,46 cm

Size/Format (depth)

0,65 cm


3.7 V

Battery weight

0,016 kg

Battery energy

3.0 Wh

Lithium content (primary)

0,00024 kg

Additional information

Choose Color

Black, White


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