−5%

Sennheiser Accentum Open

No noise cancellation, 6 h, Wireless
was CHF58.90
Delivered Sat, 4.4.
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 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.

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

Key specifications

Application range
GeneralLifestyleSports
Noise cancelling
No noise cancellation
Equipment + Functions
MicrophonesTrue WirelessVolume control
Signal transmission
Wireless
Headphone type
EarbudsTrue Wireless headphones
Isolation
Open

General information

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

Colour
Beige
Exact colour description
Cream colour

Application range

Operating system compatibility
AndroidiOSMac OS
Application range
GeneralLifestyleSports

Headphone properties

Output
Stereo
Noise cancelling
No noise cancellation
Equipment + Functions
MicrophonesTrue WirelessVolume control
Music control
touchpad remote control
Signal transmission
Wireless

Headphone type

Headphone type
EarbudsTrue Wireless headphones
Fit
In Ear
Isolation
Open
Durability
Splashproof
Protection type (IP code)
IPX4
Converter principle
Dynamic
Membrane size
11 mm

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
Rechargeable battery operated

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 emissions
13.08 kg
Climate contribution
CHF 0.31

Scope of delivery

Scope of delivery
USB Type-C charging cable
Headphone case
Hard case

Product dimensions

Height
5.17 cm
Width
9.50 cm
Depth
9 cm
Weight
37 g

Package dimensions

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

30-day right of return
24 Months Warranty (Bring-in)
3 additional offers

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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
  • 79.Creative
    3.2 %
  • 79.Fresh'N Rebel
    3.2 %
  • 79.Sennheiser
    3.2 %
  • 83.OnePlus
    3.3 %
  • 83.Suunto
    3.3 %

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.Edifier
    7 days
  • 82.Hifiman
    7 days
  • 84.Sennheiser
    8 days
  • 84.Suunto
    8 days
  • 86.B&O Audio
    9 days

Return rate

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

Source: Digitec Galaxus
  • 92.Audio-Technica
    4.3 %
  • 92.Marshall
    4.3 %
  • 92.Sennheiser
    4.3 %
  • 96.Hama
    4.5 %
  • 97.FiiO
    4.7 %
Source: Digitec 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