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 Thu, 25.6. and Sat, 27.6.
More than 10 pieces in stock at supplier
More than 10 pieces in stock at supplier
free shipping
Colour2
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, True Wireless |
Signal transmission | Wireless |
Headphone type | In-ear headphones |
Isolation | Open |
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, True Wireless |
Signal transmission | Wireless |
Headphone type | In-ear headphones |
Fit | In Ear |
Isolation | Open |
Driver diameter | 42 mm |
Adjustability | Removable cable |
Protection type (IP code) | IPX4 |
Converter principle | Dynamic |
Magnet type | Neodymium |
Frequency range | 25 - 15000 Hz |
Sensitivity | 109 dB |
Connections base/transmitter | USB-C |
Bluetooth version | 5.3 |
Bluetooth feature | A2DP, AAC, AVRCP, HFP, SBC |
Bluetooth profiles | A2DP, AAC, AVRCP, HFP, SBC |
Power supply | Rechargeable battery operated |
Battery life | 6 h |
Capacity | 400 mAh |
Charging time | 1.50 h |
Charging input | USB-C |
Supported charging power | 2.5 – 2.5 W |
Country of origin | China |
CO₂ emissions | 13,43 kg |
Climate contribution | EUR 0,35 |
Scope of delivery | Charging case, USB Type-C cable, without charger |
Height | 5.01 cm |
Width | 5.17 cm |
Depth | 2.53 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.
Supports chargers from 2.5 to 2.5 watts.
14-day cancellation right
30-day right of return
30-day right of return
24 Months statutory warranty
1 additional offer
Legal concerns
Compare products
Goes with
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.Fresh'N Rebel3 %
- 70.Nedis3 %
- 70.Sennheiser3 %
- 74.B&O3,2 %
- 74.Happy Plugs3,2 %
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- 76.Hifiman6 days
- 76.Shure6 days
- 78.Sennheiser8 days
- 79.Suunto9 days
- 80.Fairphone11 days
Return rate
How often is a product of this brand in the «Headphones» category returned?
Source: Galaxus- 82.FiiO4,2 %
- 82.Lenovo4,2 %
- 84.Sennheiser4,4 %
- 84.Sonos4,4 %
- 86.Audio-Technica4,6 %
Source: Galaxus
Translation: machine translated
hifi.deSingle testReleaseAugust 2025