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Denon AH-C840NCW

ANC, 35 h, Wireless
Price in EUR including VAT
Delivered between Tue, 21.4. and Wed, 29.4.
More than 10 pieces in stock at supplier
free shipping

Product details

The Denon AH-C840NCW are wireless in-ear headphones that combine outstanding audio quality with state-of-the-art Bluetooth technology and hybrid active noise-cancelling functionality. These headphones are designed to effectively reduce ambient noise, providing an immersive listening experience. They feature a transparency mode that allows you to hear surrounding sounds when desired. With an IPX4 water resistance rating, they are ideal for sports activities and outdoor use. The ergonomic design ensures a comfortable fit, while the compact charging case offers a convenient way to transport and charge the headphones. The AH-C840NCW uphold Denon's reputation for excellent sound quality, delivering a balanced audio performance with clear highs and defined bass.

  • Hybrid active noise-cancelling technology for an optimal listening experience
  • Multipoint connectivity for simultaneous connection to two devices
  • Four integrated microphones for clear voice capture during calls
  • IPX4 water-resistant for sweat and splash protection
  • Ergonomic design for long-lasting comfort.

Key specifications

Application range
LifestyleSports
Noise cancelling
ANC
Equipment + Functions
Microphones
Signal transmission
Wireless
Headphone type
In-ear headphones

General information

Item number
58254146
Manufacturer
Denon
Category
Headphones
Manufacturer no.
AHC840NCWBKEM
Release date
6.5.2025
External links

Colour

Colour
Black
Exact colour description
Black

Application range

Operating system compatibility
Android
Application range
LifestyleSports

Headphone properties

Output
Stereo
Noise cancelling
ANC
Equipment + Functions
Microphones
Signal transmission
Wireless
Compatible voice assistants
Google Assistant

Headphone type

Headphone type
In-ear headphones
Fit
In Ear
Driver diameter
12 mm
Protection type (IP code)
IPX4
Membrane size
12 mm

Audio properties

Frequency range
20 - 20000 Hz

Connections

Connections base/transmitter
USB-C

Bluetooth features

Bluetooth version
5.3

Power supply

Power supply
Rechargeable battery operated

Battery properties

Battery type
Li-ion
Battery life
35 h
Charging time
2 h
Charging input
USB-C

Voluntary climate contribution

CO₂ emissions
29,26 kg
Climate contribution
EUR 0,74

Scope of delivery

Scope of delivery
AppCharging cradle/charging boxMicrophoneNoise cancellationSplashproof

Product dimensions

Weight
64 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty
Legal concerns

Compare products

Goes with

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
  • 81.Beats
    3,8 %
  • 81.Bose
    3,8 %
  • 81.Denon
    3,8 %
  • 81.JLab Audio
    3,8 %
  • 81.Soundpeats
    3,8 %

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
  • 53.Bowers & Wilkins
    2 days
  • 53.Creative
    2 days
  • 53.Denon
    2 days
  • 53.EarFun
    2 days
  • 53.Google
    2 days

Return rate

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

Source: Galaxus
  • 108.Motorola
    10,5 %
  • 109.Hifiman
    13,1 %
  • 110.Meliconi
    13,4 %
  • 111.Denon
    21,6 %
  • 112.HP
    40,9 %
Source: Galaxus