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 ACCENTUM Open
ANC, 28 h, WirelessPrice in EUR including VAT
Delivered Sat, 20.9.
Only 2 pieces in stock
Only 2 pieces in stock
free shipping
Product details
The Sennheiser ACCENTUM Open are high-quality in-ear headphones designed for a premium listening experience. These true wireless earbuds offer a wireless connection via Bluetooth 5.3 and are equipped with a noise reduction feature that effectively minimizes ambient sounds. The headphones are particularly user-friendly, as they include an integrated microphone for calls and music control. With a battery life of up to 6 hours and a standby time of around 28 hours, they are ideal for everyday use. Additionally, they are rated IPX4, meaning they are splash-resistant and can be used during sports activities or outdoors. The included charging case ensures that the headphones are always ready for use.
- Bluetooth 5.3 for a stable wireless connection
- Noise reduction feature for uninterrupted listening
- Integrated microphone for calls and music control
- IPX4 protection against splashes
- Charging case for easy recharging and extended use.
Application range | General |
Equipment + Functions | Microphones |
Headphone type | In Ear Headphones |
Signal transmission | Wireless |
Noise cancelling | ANC |
Isolation | Open |
Item number | 57857031 |
Manufacturer | Sennheiser |
Category | Headphones |
Manufacturer no. | 700430 |
Release date | 17.4.2025 |
Sales rank in Category Headphones | 181 of 6540 |
Colour | Black |
Exact colour description | Black |
Application range | General |
Output | Stereo |
Noise cancelling | ANC |
Equipment + Functions | Microphones |
Music control | touchpad remote control |
Signal transmission | Wireless |
Button functions | interregnum |
Headphone type | In Ear Headphones |
Fit | In Ear |
Isolation | Open |
Driver diameter | 11 mm |
Durability | Splashproof |
Protection type (IP code) | IPX4 |
Converter principle | Dynamic |
Membrane size | 11 mm |
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 type | Li-ion |
Battery life | 28 h |
Capacity | 400 mAh |
Charging time | 1.50 h |
Charging input | USB-C |
Country of origin | China |
CO₂-Emission | |
Climate contribution |
Scope of delivery | Charger housing, USB Type-C charging cable |
Height | 5.17 cm |
Width | 10.10 cm |
Depth | 9.50 cm |
Weight | 29.30 g |
Length | 9.50 cm |
Width | 9 cm |
Height | 3.30 cm |
Weight | 116 g |
Product Safety |
Specifications may include unverified machine translations.
14-day cancellation right
30-day right of return if unused
30-day right of return if unused
24 Months statutory warranty
2 additional offers
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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- 91.Teufel4,4 %
- 92.House of Marley4,5 %
- 92.Sennheiser4,5 %
- 94.Lenovo4,6 %
- 95.Happy Plugs4,9 %
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- 67.OnePlus5 days
- 69.Hifiman6 days
- 70.Sennheiser7 days
- 71.AKG8 days
- 71.Bose8 days
Return rate
How often is a product of this brand in the «Headphones» category returned?
Source: Galaxus- 77.AKG4 %
- 77.Bose4 %
- 77.Sennheiser4 %
- 77.Technics4 %
- 81.FiiO4,1 %
Source: Galaxus
Translation: machine translated
hifi.deSingle testReleaseAugust 2025