- 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
The Accentum Open by 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 feature that effectively minimizes ambient sounds. The headphones are particularly user-friendly, as they include an integrated headset function with a microphone for calls and music control. With a battery life of up to 6 hours and a standby time of about 28 hours, they are ideal for daily use. Additionally, they are rated IPX4, meaning they are splash-resistant and suitable for sports activities. The included charging station ensures that the headphones are always ready for use.
Application range | General, Lifestyle, Sports |
Noise cancelling | No noise cancellation |
Equipment + Functions | Microphones, True Wireless, Volume control |
Signal transmission | Wireless |
Headphone type | Earbuds, True Wireless headphones |
Isolation | Open |
Item number | 57857032 |
Manufacturer | Sennheiser |
Category | Headphones |
Manufacturer no. | 700446 |
Release date | 17.4.2025 |
Sales rank in Category Headphones | 729 of 8257 |
External links |
Colour | Beige |
Exact colour description | Cream colour |
Operating system compatibility | Android, iOS, Mac OS |
Application range | General, Lifestyle, Sports |
Output | Stereo |
Noise cancelling | No noise cancellation |
Equipment + Functions | Microphones, True Wireless, Volume control |
Music control | touchpad remote control |
Signal transmission | Wireless |
Headphone type | Earbuds, True Wireless headphones |
Fit | In Ear |
Isolation | Open |
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 | 6 h |
Capacity | 400 mAh |
Charging time | 1.50 h |
Charging input | USB-C |
Country of origin | China |
CO₂ emissions | 13.08 kg |
Climate contribution | CHF 0.31 |
Scope of delivery | USB Type-C charging cable |
Headphone case | Hard case |
Height | 5.17 cm |
Width | 9.50 cm |
Depth | 9 cm |
Weight | 37 g |
Length | 9 cm |
Width | 9.50 cm |
Height | 3.50 cm |
Weight | 114 g |
How often does a product of this brand in the «Headphones» category have a defect within the first 24 months?
Source: Digitec GalaxusHow 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 GalaxusHow often is a product of this brand in the «Headphones» category returned?
Source: Digitec Galaxus