Name: Denon AH-C840NCW Black
Brand: Denon
SKU: 965164
Price: 159 EUR
Availability: InStock
Rating: 8.2 (2 reviews)

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Ordered before 23:59, delivered tomorrow for free

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Product information
Accessories
Reviews
Insurance
Specifications

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- Current product
  Denon AH-C840NCW Black
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- Retail price
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Type of ear cushions
- In-ear
- In-ear
- In-ear
- Earbud
- In-ear
Water resistance
- Splash proof
- Splash proof
- Waterproof
- Waterproof
- Splash proof
Noise canceling
- Yes
- Yes
- Yes
- Yes
- Yes
Bluetooth
- Yes
- Yes
- Yes
- Yes
- Yes

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Product information

Pros and cons

According to our earbuds expert

Thanks to noise canceling, you'll barely hear ambient noise and can enjoy your music in peace.
Thanks to the 2 built-in microphones per earbud, your voice sounds clear during phone calls and the other person can hear you well.
The earbuds are splash proof with an IPX4 certification, so you can use them outside without any problems.
The earbuds aren't completely waterproof, so you can't clean them under the faucet.

Description

Enjoy your music in peace with the Denon AH-C840NCW Black. The earbuds have noise canceling, so they reduce ambient noise. This way, you'll barely hear any annoying sounds and can listen to your music undisturbed. Thanks to the 2 built-in microphones per earbud, your voice sounds clear during phone calls. That way, the other person can clearly hear you. You can use the earbuds outside or while working out without any issues, thanks to the splash resistance with IPX4 certification. Sudden rainfall or sweat won't break them. With multipoint pairing, you can connect 2 devices to the earbuds at the same time. You can easily switch between these devices. For example, you can watch a movie on your laptop and the sound will switch to your smartphone when you get a call. With 5 minutes of charging, you can listen to music for an hour.

Tips for using this product

Included by default

Manual(2.01 MB)
Charging case
USB-C charging cable
Earbud tips

Key specs

	Type of ear cushions	In-ear
	Noise canceling
	Quality noise canceling	Mid-range
	Average battery life	7 hours
	Bluetooth
	Built-in microphone
	Water resistance	Splash proof

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Reviews

Rating

5 stars

4 stars

3 stars

2 stars

1 star

Most helpful reviews

Review is 8,4 out of 10.

Great product

Weight
Usage time
I am missing the correct earplug size

Basically fine, unfortunately I don't have the right earplug size, which means either sound quality is reduced and noise suppression is less effective versus wearing comfort.

Review by:
M.
Date:
5 January 2026
Translation:
Automatically translated from Dutch

Insure your earbuds

Coolblue takes care of everything, from taking out an insurance to repairs
For almost all accidents
More coverage in case of damage than your standard warranty
No deductible

How do I insure my earbuds?

First, add your earbuds to your shopping cart. On the next page, choose one of the Protection Plans below. You always have a 30-day return window and pay no deductible in case of damage or theft.

2-year Protection Plan
€ 20,99
one-time
2-year Protection Plan with theft cover
€ 43,99
one-time
Protection Plan - Monthly cancelable
€ 1,74
per month
Protection Plan with theft cover - Monthly cancelable
€ 2,99
per month

Specifications

Product

Product
Product number	965164
Manufacturer code	AHC840NCWBKEM
Brand	Denon
Warranty	2 years
Processing of your defect	Via Coolblue

Physical properties

Physical properties
	Weight in grams	5 g
	Color	Black
	Material	Plastic
	Built-in microphone

Resistance

Resistance
	Water-resistant
	Water resistance	Splash proof
	IP certification	IPX4

Connection

Connection
	True wireless earbuds
	NFC
	Compatible with applications
	Application options	Personalize control buttons
	Compatible with voice assistant	Google Assistant, Siri

Bluetooth

Bluetooth
	Bluetooth
	Bluetooth version	5.4
	Bluetooth profiles	High-quality audio (aptX)
	Multipoint pairing

Power supply

Power supply
	Type of USB port	USB-C
	Power supply type	Rechargeable battery
	Average battery life	7 hours
	Charging case
	Battery life case	25 hours
	Wireless charging
	USB port

Sound

Sound
	Sound reproduction	Stereo
	Hi-Res audio
	Noise canceling
	Quality noise canceling	Mid-range
	Adjustable noise canceling
	Volume limit
	Frequency range	20 - 20000 Hz

Sound according to expert

Sound according to expert
	Tested by expert
	Equalizer

Casing

Casing
	Headphones wearing method	Earbud
	Type of ear cushions	In-ear
	Remote control on ear cups
	Physical buttons ear cups
	Touchpad ear cup
	Volume control ear cup

Accessoires

Accessoires
	Hard case included
	Earbuds (sleeves) included
	Number of earbuds (sleeves) included	3
	Size	L, M, S
	Headphones adapter included

This is the one

Denon AH-C840NCW Black

Review is 8,2 out of 10, based on 2 reviews.

anything for a smile

Ordered before 23:59, delivered tomorrow for free

Denon AH-C840NCW Black

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Denon AH-C840NCW Black