Sennheiser Kopfhörer True Wireless Accentum Open, IPX4

ANC, 6 h, Wireless
Ratings
BrandMore from Sennheiser
Delivered between Sat, 26.9. and Fri, 2.10.
More than 10 pieces in stock at supplier
free shipping

Show all

Product details

Do you have high standards? Then you’ve come to the right place. Whether you want to celebrate, retreat, turn up the volume, or just chill – with the wireless ACCENTUM Open Earbuds from Sennheiser, you always have the perfect sound in your ears. Why settle for less? With the open wireless design, you can enjoy your sound while staying connected to your surroundings. Enjoy up to 28 hours of playback, stay in the moment, and experience fantastic sound with maximum comfort.

Tuned for top-notch sound and an extra dose of dopamine. Consistently impressive sound.

Open design – perfect for (discreet) listening in. Your sound? Or your environment? ...why not both?

Sounds strong, looks strong – all day long. All-day listening pleasure, no matter the weather.

Feel your music, not the earbuds. Find your perfect fit.

Effortless use, no manual required. Just smart.

Key specifications

Application range
General
Noise cancelling
ANC
Equipment + Functions
Microphones, True Wireless
Signal transmission
Wireless
Headphone type
Bluetooth headphones, In-ear headphones
Isolation
Open
Audio Connections
1 x USB-C

General information

Item number
65544808
Manufacturer
Sennheiser
Category
Headphones
Manufacturer No.
800090
Release date
5.12.2025
External links
Manufacturer's site (de)

Colour

Colour
Rose
Exact colour description
Sakura

Application range

Application range
General

Headphone properties

Output
Stereo
Noise cancelling
ANC
Equipment + Functions
Microphones, True Wireless
Signal transmission
Wireless

Headphone type

Headphone type
Bluetooth headphones, In-ear headphones
Fit
In Ear
Isolation
Open
Driver diameter
42 mm
Durability
Splashproof
Protection type (IP code)
IPX4
Converter principle
Dynamic
Magnet type
Neodymium

Audio properties

Frequency range
25 - 15000 Hz
Sensitivity
109 dB
Max. noise level
109 dB

Connections

Audio Connections
1 x USB-C
Connections base/transmitter
USB-C

Bluetooth features

Bluetooth version
5.3
Bluetooth profiles
A2DP, AAC, AVRCP, HFP, SBC

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
Supported charging power
2.5 – 2.5 W

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
13.43 kg
Climate contribution
CHF 0.32

Scope of delivery

Scope of delivery
Charging case, USB cable, without charger

Product dimensions

Height
2.53 cm
Width
5.17 cm
Depth
5.01 cm
Weight
29.30 g

Package dimensions

Length
10.50 cm
Width
8.90 cm
Height
4.30 cm
Weight
117 g

Supports chargers from 2.5 to 2.5 watts.

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

Compare products

Show all

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
  • 71.LogiLink
    2.9 %
  • 71.QCY
    2.9 %
  • 71.Sennheiser
    2.9 %
  • 77.Bowers & Wilkins
    3 %
  • 77.Denon
    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
  • 77.OneOdio
    7 days
  • 77.Shure
    7 days
  • 81.Sennheiser
    9 days
  • 81.Suunto
    9 days
  • 83.Yamaha
    10 days

Return rate

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

Source: Digitec Galaxus
  • 97.Behringer
    4.5 %
  • 97.Beyerdynamic
    4.5 %
  • 99.Sennheiser
    4.6 %
  • 100.Marshall
    4.7 %
  • 100.PhoneLook
    4.7 %
Source: Digitec Galaxus