Astell&Kern RE-400

Cable
Ratings
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Product details

The Astell&Kern RE-400 is a high-quality wired headphone specifically designed for music lovers. With a frequency range of 15 to 22,000 Hz, it delivers impressive sound quality, accurately reproducing both the deepest bass and the highest treble. The headphone features a lightweight design that ensures a comfortable fit, even during extended listening sessions. The use of neodymium magnets and a driver diameter of 8.5 mm provides excellent sound reproduction and a high sensitivity of 102 dB. The RE-400 is ideal for everyday use, offering reliable performance across various music genres.

  • Wired signal transmission for a stable connection
  • Lightweight design at just 12.9 g for high comfort
  • Neodymium magnets for enhanced sound quality
  • High sensitivity of 102 dB for dynamic sound.

Key specifications

Equipment + Functions
Microphones
Signal transmission
Cable
Headphone type
In-ear headphones

General information

Item number
58729345
Manufacturer
Astell&Kern
Category
Headphones
Manufacturer no.
15117425
Release date
16.5.2025
External links
Manufacturer's site (de)

Colour

Colour
Black, Silver
Exact colour description
Black, Silver

Material

Material
Titanium

Headphone properties

Equipment + Functions
Microphones
Signal transmission
Cable

Headphone type

Headphone type
In-ear headphones
Fit
In Ear
Driver diameter
8.50 mm
Converter principle
Dynamic
Magnet type
Neodymium

Audio properties

Frequency range
15 - 22000 Hz
Sensitivity
102 dB
Impedance
32 Ω

Power supply

Power supply
Without external power source

Voluntary climate contribution

CO₂ emissions
22.84 kg
Climate contribution
CHF 0.55

Scope of delivery

Scope of delivery
Various earmolds

Product dimensions

Weight
12.90 g

Package dimensions

Length
17.50 cm
Width
9.40 cm
Height
7.20 cm
Weight
199 g

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

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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
  • Astell&Kern
    Not enough data
  • 1.Digitus
    0 %
  • 2.Sandberg
    0.1 %
  • 3.Havit
    0.3 %
  • 3.Renkforce
    0.3 %

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
  • Astell&Kern
    Not enough data
  • 1.-
    0 days
  • 1.1More
    0 days
  • 1.4smarts
    0 days
  • 1.Acefast
    0 days

Return rate

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

Source: Digitec Galaxus
  • Astell&Kern
    Not enough data
  • 1.Awei
    0 %
  • 1.ESP
    0 %
  • 1.Manhattan
    0 %
  • 1.Maxell
    0 %
Source: Digitec Galaxus