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
No noise cancellation, 6 h, WirelessDelivered the day after tomorrow
10 pieces in stock
10 pieces in stock
free shipping
Product details
The Accentum Open from Sennheiser 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 function that effectively minimises ambient noise. The headphones are particularly user-friendly as they offer an integrated microphone function for calls and music track control. With a battery life of up to 6 hours and a standby time of around 28 hours, they are ideal for everyday use. They are also IPX4 rated, which means that they are protected against splashing water and can therefore also be used during sporting activities or outdoors. The supplied charging station ensures that the headphones are always ready for use.
- Bluetooth 5.3 for a stable wireless connection
- Noise-cancelling function for undisturbed listening
- Integrated microphone for calls and music track control
- IPX4 protection against splashing water
- Charging cradle for easy charging and extended use.
Noise cancelling | No noise cancellation |
Equipment + Functions | Microphones, True Wireless |
Signal transmission | Wireless |
Headphone type | Earbuds |
Isolation | Open |
Item number | 57857031 |
Manufacturer | Sennheiser |
Category | Headphones |
Manufacturer no. | 700430 |
Release date | 17.4.2025 |
Sales rank in Category Headphones | 370 of 8257 |
External links |
Exact colour description | Black |
Noise cancelling | No noise cancellation |
Equipment + Functions | Microphones, True Wireless |
Music control | touchpad remote control |
Signal transmission | Wireless |
Button functions | Accept call, next song, Pause, Play, Reject call, Volume Down, Volume Up |
Headphone type | Earbuds |
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 |
Max. noise level | 109 dB |
Connections base/transmitter | USB-C |
Bluetooth version | 5.3 |
Bluetooth feature | A2DP, AAC, AVRCP, HFP, Multipoint, SBC |
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 | 13.31 kg |
Climate contribution | CHF 0.32 |
Scope of delivery | Charger housing, USB Type-C charging cable |
Height | 5.17 cm |
Width | 10.10 cm |
Depth | 2.53 cm |
Weight | 38 g |
Length | 9.50 cm |
Width | 9 cm |
Height | 3.30 cm |
Weight | 116 g |
Specifications may include unverified machine translations.
30-day right of return
24 Months Warranty (Bring-in)
2 additional offers
Compare products
Goes with
Reviews & Ratings
Warranty score
How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?
Source: Digitec Galaxus- 78.Creative3.2 %
- 78.Fresh'N Rebel3.2 %
- 78.Sennheiser3.2 %
- 82.OnePlus3.3 %
- 82.Suunto3.3 %
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: Digitec Galaxus- 82.Edifier7 days
- 82.Hifiman7 days
- 84.Sennheiser8 days
- 84.Suunto8 days
- 86.B&O Audio9 days
Return rate
How often is a product of this brand in the «Headphones» category returned?
Source: Digitec Galaxus- 91.Audio-Technica4.3 %
- 91.Marshall4.3 %
- 91.Sennheiser4.3 %
- 95.Hama4.5 %
- 96.FiiO4.7 %
Source: Digitec Galaxus
Translation: machine translated
hifi.deSingle testReleaseAugust 2025