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Denon AH D340 Review | 93 Data compared

Avg. price: ~£110
Form factor: on-ear
Connectivity: wired
Battery life: N/A hours
Active noise cancellation (ANC): no

Denon AH D340 review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if it is worth buying.

6.1

Good

5.8

Good

7.1

Very good

2.1
Gaming
Score components:
35.0%
0.0
Audio latency
25.0%
0.0
Low-latency game mode
20.0%
10
Can be used as a headset
12.0%
1.0
Noise-canceling microphone
8.0%
0.0
Battery life
1.1
Travel
Score components:
28.0%
1.0
Active noise cancellation (ANC)
24.0%
0.0
Battery life
18.0%
4.4
Weight
16.0%
0.0
Multipoint support
14.0%
0.0
Ambient sound mode
2.7
Calls
Score components:
28.0%
1.0
Noise-canceling microphone
24.0%
10
Can be used as a headset
18.0%
0.0
Multipoint support
16.0%
0.0
Battery life
14.0%
0.0
Companion app
3.5
Workout
Score components:
28.0%
4.4
Weight
24.0%
1.0
Water resistance
20.0%
4.0
IP rating
16.0%
0.0
Battery life
12.0%
10
Can be used as a headset

Best prices in UK

Best rankings

#78 in Best Wired Headphones
#513 in Best Headphones with Mic

Verdict

The Denon AH-D340 Music Maniac is an on-ear headphone featuring 40mm dynamic drivers with neodymium magnets, professionally tuned to a flat EQ for acoustic transparency. Key technical specifications include a broad frequency response of 7Hz to 37,000Hz, a 36-ohm impedance for easy driving from mobile devices, 108 dB/mW sensitivity, and a maximum power input of 1300 mW. Its main characteristics include pentagon-shaped memory foam ear pads, a 2-axis ear cup design for 360-degree articulation, and a detachable non-tangle cable with an integrated remote and microphone. Pros include a well-balanced sound signature with distortion-free bass, a lightweight 250g frame, and excellent midrange clarity for vocals. However, some users note cons such as a lack of folding capability for storage, potential discomfort during extended listening sessions due to clamping force, and a treble that can occasionally sound overly bright or intense.

Technical Specifications of Denon AH D340

Overall score

6.1

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Popularity

What it is: An indicator based on the number of reviews received by the headphones.

When it matters: When you prefer headphones that have already been chosen and reviewed by many other users.

Sound

6.3

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Active noise cancellation (ANC)

What it is: Reduces background noise using active technology

When it matters: When blocking office, travel, or aircraft noise is a priority.

Importance: HIGH

Driver type

What it is: Type of speaker driver technology used

When it matters: When the underlying sound character and driver technology matter to you.

Importance: MEDIUM

dynamic

Driver size

What it is: Diameter of the speaker driver unit

When it matters: When you want extra hardware context behind how the headphones may handle bass weight, scale, or overall presentation.

Importance: MEDIUM

Number of drivers

What it is: Total number of speaker drivers per earcup

When it matters: When multi-driver designs are part of your buying criteria.

Importance: LOW

Lowest frequency

What it is: Lowest audio frequency the headphones can reproduce

When it matters: When deeper bass extension matters for your music or movie listening.

Importance: MEDIUM

Good value: <=10 Hz

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Calls & Controls

4.5

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Noise-canceling microphone

What it is: Built-in microphone reduces background noise during calls

When it matters: When you take calls in busy spaces and want your voice to stay clearer.

Importance: MEDIUM

Can be used as a headset

What it is: Shows whether the headphones can handle voice chat and calls in addition to normal audio playback.

When it matters: When one pair needs to cover music, calls, meetings, and gaming chat.

Importance: MEDIUM

Number of microphones

What it is: Total number of built-in microphones

When it matters: When call pickup quality and beamforming support matter to you.

Importance: LOW

Good value: >=2

Boom microphone

What it is: Includes detachable boom microphone for voice clarity

When it matters: When you need stronger voice clarity for gaming, streaming, or work calls.

Importance: LOW

Microphone SNR

What it is: Signal-to-noise ratio of the microphone

When it matters: When call clarity matters and you want your voice picked up more cleanly instead of buried in background hiss.

Importance: LOW

Good value: >80 dB

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Connectivity

2.9

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Connectivity

What it is: Available connection methods (wired, wireless, Bluetooth, etc.)

When it matters: When the headphones need to match how you listen across wired and wireless devices.

Importance: HIGH

Bluetooth version

What it is: Version of Bluetooth technology supported

When it matters: When wireless stability, efficiency, and feature support matter more than treating Bluetooth as a box-check spec.

Importance: MEDIUM

Good value: >=5.0

N/A

Maximum Bluetooth range

What it is: Maximum wireless operating distance from source device

When it matters: When you move around rooms and want fewer dropouts from your source device.

Importance: LOW

Good value: >=10 m

N/A

Audio latency

What it is: Delay between audio and video in wireless mode

When it matters: When you watch video or play games and need sound to stay in sync.

Importance: HIGH

Good value: <60 ms

N/A

Multipoint support

What it is: Supports simultaneous connections to multiple devices

When it matters: When you switch often between a phone and a laptop during the day.

Importance: MEDIUM

N/A

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Features

5.9

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Ambient sound mode

What it is: Allows external sounds to pass through for awareness

When it matters: When you need to stay aware of traffic, voices, or announcements.

Importance: MEDIUM

N/A

EQ support

What it is: Allows customization of sound profile via equalizer

When it matters: When the stock tuning is not enough and you want to shape bass, mids, or treble to match your taste.

Importance: MEDIUM

Companion app

What it is: Dedicated mobile app for customization and updates

When it matters: When software customization, updates, and extra controls matter.

Importance: MEDIUM

N/A

Adjustable ANC levels

What it is: Allows adjustment of noise cancellation intensity levels

When it matters: When you move between quiet rooms, offices, streets, and public transport and do not want one ANC setting for every situation.

Importance: LOW

Good value: >=4

N/A

Voice assistant support

What it is: Compatible with voice assistants like Siri, Alexa, or Google Assistant

When it matters: When hands-free control is part of your daily routine.

Importance: LOW

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Battery

4.9

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Battery life

What it is: Playback time on a single charge

When it matters: When you commute, travel, or work long shifts and do not want charging breaks to interrupt listening.

Importance: HIGH

Good value: >45 hours

N/A

Battery life with ANC

What it is: Playback time with active noise cancellation enabled

When it matters: When you plan to keep noise cancellation on for most of the day.

Importance: HIGH

Good value: >40 hours

N/A

Charging time

What it is: Time required for a full battery charge

When it matters: When you often need the headphones ready again after short breaks.

Importance: MEDIUM

Good value: <=2 hours

N/A

Quick charge

What it is: Provides quick playback time with short charging period

When it matters: When a short top-up needs to deliver useful playback before you leave.

Importance: MEDIUM

N/A

Battery capacity

What it is: Total energy storage of the internal battery

When it matters: When you are estimating how much battery headroom the design may have before relying only on the official runtime claim.

Importance: MEDIUM

Good value: >=720 mAh

N/A

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Design

6.5

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Brand name

What it is: The manufacturer or brand of the product.

When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: MEDIUM

Denon

Form factor

What it is: Overall design type of the headphones (over-ear, on-ear, in-ear, etc.)

When it matters: When comfort, portability, and isolation depend on the overall headphone style.

Importance: HIGH

on-ear

Weight

What it is: Total weight of the headphones

When it matters: When long listening sessions make wearing comfort more important.

Importance: MEDIUM

Good value: <150 g

Acoustic design

What it is: Type of acoustic design (open-back, closed-back, semi-open)

When it matters: When you need the right balance of isolation, leakage, and soundstage.

Importance: HIGH

closed-back

Clamp force

What it is: Amount of clamping pressure applied to the head

When it matters: When comfort and fit security matter during long sessions.

Importance: MEDIUM

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Denon AH D340 vs the average headphone

Why is Denon AH D340 better than the average headphone?

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Hi-Res Audio certification
Denon AH D340 has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
What it is: Certified for high-resolution audio playback
When it matters: When official support for high-resolution playback matters to you.
Importance: LOW
Denon AH D340 has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
EQ customization
Denon AH D340 supports EQ customization, the average headphone does not. 23.3% of headphones support EQ.
What it is: Allows customization of sound profile via equalizer
When it matters: When the stock tuning is not enough and you want to shape bass, mids, or treble to match your taste.
Importance: MEDIUM
Denon AH D340 supports EQ customization, the average headphone does not. 23.3% of headphones support EQ.
11 Hz lower bass extension
Denon AH D340 has a lower lowest frequency than the average headphone (7 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
What it is: Lowest audio frequency the headphones can reproduce
When it matters: When deeper bass extension matters for your music or movie listening.
Importance: MEDIUM
Good value: <=10 Hz
Denon AH D340 has a lower lowest frequency than the average headphone (7 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.7 Hz vs 18 Hz
17,000 Hz higher treble extension
Denon AH D340 has a higher highest frequency than the average headphone (37,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.
What it is: Highest audio frequency the headphones can reproduce
When it matters: When treble extension and overall frequency reach matter to you.
Importance: MEDIUM
Good value: >=24000 Hz
Denon AH D340 has a higher highest frequency than the average headphone (37,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.37000 Hz vs 20000 Hz
6 dB/mW higher sensitivity
Denon AH D340 has a higher sensitivity than the average headphone (108 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
What it is: Sound pressure output level per unit of input power
When it matters: When you plan to use weaker sources like phones, handhelds, or entry-level dongles and still want enough volume.
Importance: MEDIUM
Good value: >=106 dB/mW
Denon AH D340 has a higher sensitivity than the average headphone (108 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.108 dB/mW vs 102 dB/mW
In-line controls
Denon AH D340 includes in-line controls, the average headphone does not. 36.4% of headphones support in-line controls.
What it is: Controls available on in-line remote of wired cable
When it matters: When your wired setup depends on cable-mounted buttons or call controls.
Importance: LOW
Denon AH D340 includes in-line controls, the average headphone does not. 36.4% of headphones support in-line controls.
13x higher input power handling
Denon AH D340 has a higher max input power than the average headphone (1,300 mW vs 100 mW). The average headphones handle max input power of 100 mW.
What it is: Maximum input power the drivers can safely handle
When it matters: When you pair the headphones with stronger sources or dedicated gear.
Importance: LOW
Good value: >=300 mW
Denon AH D340 has a higher max input power than the average headphone (1,300 mW vs 100 mW). The average headphones handle max input power of 100 mW.1300 mW vs 100 mW
Hi-Res Audio certification
Denon AH D340 has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
11 Hz lower bass extension
Denon AH D340 has a lower lowest frequency than the average headphone (7 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
17,000 Hz higher treble extension
Denon AH D340 has a higher highest frequency than the average headphone (37,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.
6 dB/mW higher sensitivity
Denon AH D340 has a higher sensitivity than the average headphone (108 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
13x higher input power handling
Denon AH D340 has a higher max input power than the average headphone (1,300 mW vs 100 mW). The average headphones handle max input power of 100 mW.
In-line controls
Denon AH D340 includes in-line controls, the average headphone does not. 36.4% of headphones support in-line controls.
EQ customization
Denon AH D340 supports EQ customization, the average headphone does not. 23.3% of headphones support EQ.

Calls & Controls

Why is Denon AH D340 worse than the average headphone?

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14.7% higher weight
Denon AH D340 is heavier than the average headphone (250 g vs 218 g). The average pair of headphones weighs 218 g.
No voice assistant support
Denon AH D340 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
4 years older release date
Denon AH D340 was released earlier than the average headphone (2,013 vs 2,017). The average headphones were released in 2,017.
January 2013
No voice assistant support
Denon AH D340 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
What it is: Compatible with voice assistants like Siri, Alexa, or Google Assistant
When it matters: When hands-free control is part of your daily routine.
Importance: LOW
Denon AH D340 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
14.7% higher weight
Denon AH D340 is heavier than the average headphone (250 g vs 218 g). The average pair of headphones weighs 218 g.
What it is: Total weight of the headphones
When it matters: When long listening sessions make wearing comfort more important.
Importance: MEDIUM
Good value: <150 g
Denon AH D340 is heavier than the average headphone (250 g vs 218 g). The average pair of headphones weighs 218 g.250 g vs 218 g
12% lower user score
Denon AH D340 has a lower user score than the average headphone (7.14 vs 8.000).
What it is: A rating that combines user reviews and the total number of reviews received by the headphones.
When it matters: When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.
Denon AH D340 has a lower user score than the average headphone (7.14 vs 8.000).7.14 vs 8
4 years older release date
Denon AH D340 was released earlier than the average headphone (2,013 vs 2,017). The average headphones were released in 2,017.
January 2013
What it is: Official release or launch date of the model
When it matters: When you want a newer model for fresher features, longer support life, or simply to avoid buying into an older generation.
Importance: LOW
Good value: >=2020
Denon AH D340 was released earlier than the average headphone (2,013 vs 2,017). The average headphones were released in 2,017.2013 vs 2017

Graphic comparison of Denon AH D340 and

Attribute category

Attribute

No results found

Third-party reviews

United Kingdom

United States

(Reviews last updated: June 2026)

What customers like about Denon AH D340?

Neutral and well-balanced sound signature ideal for audiophiles
Transparent midrange with high detail for vocals and instruments
Crisp, clear highs and distortion-free bass response
Detachable cable allows for easy replacement and added durability
Integrated inline remote and microphone for mobile device compatibility
Easy to drive directly from smartphones without needing a separate amplifier
Includes a protective travel case and memory foam earpads for initial comfort

What customers dislike about Denon AH D340?

Comfort issues during long listening sessions due to high clamping force
Bass may feel recessed or lacking impact for users who prefer heavy low-end
Bulky, non-folding design makes them less portable than competitors
Cable lacks a locking mechanism and can be accidentally pulled out
Can sound overly bright or sharp at higher frequencies for some listeners
Design and matte plastic finish perceived by some as awkward or chunky

Expert reviews

head-fi.org

25/09/2013

Denon AH-D340 Music Maniac On-Ear Headphones - Reviews

The Denon AH-D340 Music Maniac headphones feature a neutral, clear sound signature with a spacious soundstage, a tight, punchy low-end, and highly detailed mid-ranges that avoid excessive bass or treble. Engineered for portable convenience, they are easily driven by smartphones without an amp and include an inline microphone/remote, representing high value if found at a discount....Read more

au.pcmag.com

05/03/2013

Denon Music Maniac AH-D340 - Review 2013 - PCMag Australia

The Denon Music Maniac AH-D340 is a $299.99 over-ear headphone pair that delivers high-quality, distortion-free audio tailored for audiophiles who appreciate a well-balanced, flat response rather than overly boosted lows. The sonic signature shines brightest in its high-mid frequency range, rendering crisp and clear vocals, guitars, and percussion, while providing a robust, natural...Read more

uk.pcmag.com

25/02/2013

Denon Music Maniac AH-D340 - Review 2013

The Denon Music Maniac AH-D340 is an over-ear headphone pair that delivers high-quality, distortion-free audio performance geared toward audiophiles who prefer a balanced, flat response. A major highlight of its sound profile is the sculpted high-mid frequency range, which beautifully emphasizes the treble edge in vocals, guitars, and percussion without crossing over into harshness....Read more

tonepublications.com

01/07/2026

Denon AH-D340 Headphones

The Denon AH-D340 is a lightweight, portable model added to the Music Maniac collection that closely resembles its pricier sibling, the AH-D600, while avoiding bulky "DJ style" designs. It stands out for its high comfort level, feeling remarkably feather-light on the head due to its memory-foam, pentagon-shaped ear pads. Designed explicitly for travel and mobile use, the headphones...Read more

expertreviews.co.uk

28/12/2013

Denon AH-D340 Review

The Denon AH-D340 over-ear headphones deliver excellent sound quality and notable comfort during extended listening sessions, thanks to their lightweight, tightly fitting memory foam ear pads. Designed for portable use with iOS and Android devices, they include a detachable cable featuring an integrated control box for adjusting volume, managing tracks, and taking calls....Read more

pocket-lint.com

11/09/2013

Denon AH-D340 over-ear headphones review

The Denon AH-D340 over-ear headphones deliver a high-quality, flat sound response that provides immense detail and remains true to the original recording without artificially inflating the bass. Designed primarily for portable use, they are exceptionally lightweight, fit comfortably over the ears for all-day wear without causing sweating, and include a replaceable, thin cable...Read more

pcmag.com

05/03/2013

Denon Music Maniac AH-D340 Review

The $299.99 Denon Music Maniac AH-D340 on-ear headphones deliver a flat, well-balanced acoustic profile featuring robust, distortion-free bass and articulate high-mids, aiming at audiophiles rather than listeners seeking boosted low frequencies. Pros include exceptional, detailed sound reproduction and practical design elements like a detachable cable and inline remote, according to...Read more

i-fidelity.net

21/05/2013

Denon AH-D340: The Friendly Companion

The Denon AH-D340 Music Maniac is reviewed as an exciting and budget-friendly on-ear headphone option that strikes a balance between portability and audiophile-grade performance. Dubbed the "buddy type" (Der Kumpeltyp), the review highlights its stark black-and-white contrasting aesthetics and solid build. Key design features include a 130-centimeter detachable, tangle-resistant...Read more

on-mag.fr

16/10/2014

Denon AH-D340 - ON-mag.fr Review

The Denon AH-D340Go is a wired, closed-back headphone model that entered the market as part of Denon's 2013 "Music Maniac" series. This particular review highlights that the headphone inherits the distinct, modern visual aesthetic of Denon's much more premium, high-end stablemates—specifically the AH-D600 and AH-D7100Go models. However, the core identity of the AH-D340 relies on...Read more

on-mag.fr

01/10/2014

Denon AH-D340 Headphones: Great Sound at a Low Price

The Denon AH-D340 review from ON-mag.fr highlights this on-ear model as a budget-friendly entry in Denon's 2013 "Music Maniac" lineup. The reviewer praises its upscale aesthetic borrowed from pricier sibling models, noting a sturdy plastic and faux-leather headband reinforced with interior metal bands. It scores high marks for outdoor and indoor versatility thanks to its 1.4-meter...Read more

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