Sennheiser Accentum Wireless Over Ear Headphones

 Set the tune of your day. 

50-hour battery playtime

Enjoy exceptional battery life that lasts up to 50 hours on a single charge. 

Sennheiser Sound

Discover high-quality Sennheiser audio, thanks to our own engineered and manufactured in-house transducer system. 

Blocks out all distractions with ANC

Stay focused and immerse yourself in your music with effective hybrid noise-cancelling headphones.  

Hear external sounds with a touch

Transparency Mode enables you to stay aware of your surroundings without removing your headphones.  

Your sound, your way

Customized your musical journey with a choice of sound modes, like Bass Boost and Podcast mode. Our tailor to your own preference with the built-in 5 Band equalizer.  

All-day comfort

Crafted to deliver incredible comfort, the headphones feature a lightweight and ergonomic design, making them ideal for long music sessions.

Wearing style 

Headband stereo headphones 

Ear coupling 

Around-the-ear, circum-aural 

Connectivity 

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

Speaker type/size 

37mm diameter 

Speaker frequency range 

10 Hz to 22 kHz 

Speaker sensitivity 

106 dB SPL (1 kHz / 0 dBFS) 

Active Noise Cancellation 

Hybrid ANC 

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 

Product weight 

Ca. 222 g 

Product dimension 

165 x 195 x 48 mm (folded flat) 

Dimensions product packaging (L x B x H) 

220 x 51.5 x 214 mm 

Weight of headset and packaging (incl. accessories) 

Ca. 452g 

Temperature range 

• Operation : 0 °C to +40 °C
• Charging : +10 °C to +40 °C
• Storage : -20 °C to +60 °C  

App support 

Sennheiser Smart Control app for iOS™ and Android™ 

Country of origin 

Designed in Germany, Made in China 

• 1 x ACCENTUM Wireless Headphones
• 1 x USB-C charging cable
• 1 x Quick guide