Very good82/100
- Powerful, broad sound
- Very comfortable fit
- Simple and high-quality design of the buds
- Somewhat muffled sound in places
- No app, no equaliser
- Moderate workmanship of the charging case
Sennheiser Kopfhörer True Wireless Accentum Open, IPX4
ANC, 6 h, WirelessPrice in EUR including VAT
Delivered between Sat, 11.4. and Wed, 15.4.
More than 10 pieces in stock at supplier
More than 10 pieces in stock at supplier
free shipping
Product details
Do you have high standards? Then you’ve come to the right place. Whether you want to celebrate, retreat, turn up the volume, or just chill – with the wireless ACCENTUM Open Earbuds from Sennheiser, you always have the perfect sound in your ears. Why settle for less? With the open wireless design, you can enjoy your sound while staying connected to your surroundings. Enjoy up to 28 hours of playback, stay in the moment, and experience fantastic sound with maximum comfort.
Tuned for top-notch sound and an extra dose of dopamine. Consistently impressive sound.
Open design – perfect for (discreet) listening in. Your sound? Or your environment? ...why not both?
Sounds strong, looks strong – all day long. All-day listening pleasure, no matter the weather.
Feel your music, not the earbuds. Find your perfect fit.
Effortless use, no manual required. Just smart.
Application range | General |
Noise cancelling | ANC |
Equipment + Functions | Microphones |
Signal transmission | Wireless |
Headphone type | In-ear headphones, True Wireless headphones |
Isolation | Open |
Audio Connections | 1 x USB-C |
Item number | 65544808 |
Manufacturer | Sennheiser |
Category | Headphones |
Manufacturer no. | 800090 |
Release date | 5.12.2025 |
Colour | Rose |
Exact colour description | Sakura |
Application range | General |
Noise cancelling | ANC |
Equipment + Functions | Microphones |
Signal transmission | Wireless |
Headphone type | In-ear headphones, True Wireless headphones |
Fit | In Ear |
Isolation | Open |
Protection type (IP code) | IPX4 |
Converter principle | Dynamic |
Magnet type | Neodymium |
Membrane size | 42 mm |
Frequency range | 25 - 15000 Hz |
Sensitivity | 109 dB |
Max. noise level | 109 dB |
Impedance | 150 Ω |
Audio Connections | 1 x USB-C |
Connections base/transmitter | USB-C |
Bluetooth version | 5.3 |
Bluetooth profiles | A2DP, AAC, AVRCP, HFP, SBC |
Power supply | Rechargeable battery operated |
Battery type | Li-ion |
Battery life | 6 h |
Capacity | 400 mAh |
Charging time | 1.50 h |
Charging input | USB-C |
Country of origin | China |
CO₂ emissions | 13,43 kg |
Climate contribution | EUR 0,35 |
Scope of delivery | Charging case, USB-C cable |
Height | 2.53 cm |
Width | 5.17 cm |
Depth | 5.01 cm |
Weight | 29.30 g |
Product Safety |
Length | 10.50 cm |
Width | 8.90 cm |
Height | 4.30 cm |
Weight | 117 g |
Specifications may include unverified machine translations.
14-day cancellation right
30-day right of return
30-day right of return
24 Months statutory warranty
Legal concerns
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Reviews & Ratings
Statutory warranty score
How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?
Source: Galaxus- 70.Creative3,2 %
- 70.Fresh'N Rebel3,2 %
- 70.Sennheiser3,2 %
- 73.OnePlus3,3 %
- 73.Suunto3,3 %
Statutory warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Galaxus- 75.Edifier7 days
- 75.Hifiman7 days
- 77.Sennheiser8 days
- 77.Suunto8 days
- 79.B&O Audio9 days
Return rate
How often is a product of this brand in the «Headphones» category returned?
Source: Galaxus- 79.Marshall4,3 %
- 82.AKG Pro4,4 %
- 82.Sennheiser4,4 %
- 84.Hama4,5 %
- 85.FiiO4,6 %
Source: Galaxus
Translation: machine translated
hifi.deSingle testReleaseAugust 2025