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Sennheiser ACCENTUM Open

ANC, 6 h, Wireless
Price in EUR including VAT
Delivered the day after tomorrow
5 pieces in stock
free shipping

Product details

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 around 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 case ensures that the headphones are always ready for use.

  • Bluetooth 5.3 for a stable connection
  • Noise reduction feature (Noise Cancelling)
  • Integrated microphone for calls
  • IPX4 protection against splashes
  • Charging case for easy recharging.

Key specifications

Application range
General
Equipment + Functions
Microphones
Headphone type
In Ear Headphones
Signal transmission
Wireless
Noise cancelling
ANC
Item number
57857032

General information

Manufacturer
Sennheiser
Category
Headphones
Manufacturer no.
700446
Release date
17.4.2025

Colour

Colour
Beige
Exact colour description
Cream colour

Application range

Application range
General

Headphone properties

Noise cancelling
ANC
Equipment + Functions
Microphones
Signal transmission
Wireless
Compatible voice assistants
Google AssistantSiri

Headphone type

Headphone type
In Ear Headphones
Fit
In Ear
Driver diameter
11 mm
Protection type (IP code)
IPX4

Audio properties

Frequency range
25 - 15000 Hz
Sensitivity
109 dB

Connections

Connections base/transmitter
USB-C

Bluetooth features

Bluetooth version
5.3
Bluetooth feature
A2DPAACAVRCPHFPSBC
Bluetooth profiles
A2DPAACAVRCPHFPSBC

Power supply

Power supply
Electrical connection

Battery properties

Battery type
Li-ion
Battery life
6 h
Capacity
400 mAh
Charging time
1.50 h
Charging input
USB-C

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
USB Type-C cable

Product dimensions

Height
3.50 cm
Width
9.51 cm
Depth
2.53 cm
Weight
116 g

Package dimensions

Length
9 cm
Width
9.50 cm
Height
3.50 cm
Weight
114 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return if unused
24 Months statutory warranty
1 additional offer

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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
  • 89.Teufel
    4,4 %
  • 91.Lenovo
    4,6 %
  • 91.Sennheiser
    4,6 %
  • 93.Awei
    4,8 %
  • 94.Jabra
    5,1 %

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
  • 73.AKG
    8 days
  • 73.Bose
    8 days
  • 73.Sennheiser
    8 days
  • 73.Shokz
    8 days
  • 77.Suunto
    9 days

Return rate

How often is a product of this brand in the «Headphones» category returned?

Source: Galaxus
  • 77.Bose
    4 %
  • 77.Defunc
    4 %
  • 77.Sennheiser
    4 %
  • 80.T'nB
    4,2 %
  • 81.FiiO
    4,3 %
Source: Galaxus

Translation: machine translated
Very good82/100
hifi.deSingle testReleaseAugust 2025
  • PositivePowerful, broad sound
  • PositiveVery comfortable fit
  • PositiveSimple and high-quality design of the buds
  • NegativeSomewhat muffled sound in places
  • NegativeNo app, no equaliser
  • NegativeModerate workmanship of the charging case