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Master & Dynamic MH40 Wireless Gen 2 Review | 93 Data compared

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  • Avg. price in UK: ~£400
  • Avg. price in US: ~$400
  • Form factor: over-ear
  • Connectivity: wireless
  • Battery life: 30 hours
  • Active noise cancellation (ANC): no

Master & Dynamic MH40 Wireless Gen 2 review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if it is worth buying.

5.7

Overall score

What it is: An overall evaluation of the headphones' quality, based on technical analyses and user reviews.

When it matters: When you need a quick reference to identify the best headphones on the market.

Score components:

80.0%

5.7

Technical Score

20.0%

?

User score

Good
5.7

Technical Score

What it is: An assessment of the headphones' technical performance, covering key areas such as sound quality, noise cancelling, microphone performance, battery life, comfort, connectivity, features, and build quality.

When it matters: When you want to compare headphones based on technical performance and available features.

Score components:

52.0%

5.5

Sound

20.0%

4.3

Features

10.0%

6.1

Design

8.0%

8.1

Connectivity

6.0%

7.4

Battery

4.0%

6.5

Calls & Controls

Good
?

User score

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.

Score components:

70.0%

?

User reviews

30.0%

?

Popularity

  • 8.2
    Gaming

    Score components:

    35.0%

    9.0

    Audio latency

    25.0%

    10

    Low-latency game mode

    20.0%

    10

    Can be used as a headset

    12.0%

    1.0

    Noise-canceling microphone

    8.0%

    4.8

    Battery life

  • 3.7
    Travel

    Score components:

    28.0%

    1.0

    Active noise cancellation (ANC)

    24.0%

    4.8

    Battery life

    18.0%

    3.7

    Weight

    16.0%

    10

    Multipoint support

    14.0%

    0.0

    Ambient sound mode

  • 6.6
    Calls

    Score components:

    28.0%

    1.0

    Noise-canceling microphone

    24.0%

    10

    Can be used as a headset

    18.0%

    10

    Multipoint support

    16.0%

    4.8

    Battery life

    14.0%

    10

    Companion app

  • 4.0
    Workout

    Score components:

    28.0%

    3.7

    Weight

    24.0%

    1.0

    Water resistance

    20.0%

    4.0

    IP rating

    16.0%

    4.8

    Battery life

    12.0%

    10

    Can be used as a headset

  • master-dynamic-mh40-wireless-gen-2
  • master-dynamic-mh40-wireless-gen-2
  • master-dynamic-mh40-wireless-gen-2
master-dynamic-mh40-wireless-gen-2
master-dynamic-mh40-wireless-gen-2
master-dynamic-mh40-wireless-gen-2

Best prices in UK

    N/A~ £400

Best rankings

?

Available: ranking among products currently available (including other versions of this product).
All: ranking among all products in the database.

Verdict

The Master & Dynamic MH40 Wireless Gen 2 features custom 40mm titanium drivers that deliver a wide soundstage with rich lows and crisp highs, supported by Bluetooth 5.2 with AAC and aptX Adaptive codecs for high-resolution wireless audio up to 24-bit/48kHz. This generation offers an improved battery life of up to 30 hours with a fast-charge capability providing 6 hours of playback in 15 minutes, and includes a dual-microphone array with proprietary wind-noise reduction for clearer calls. Main pros include its iconic industrial design crafted from premium anodized aluminum, coated canvas, and lambskin leather, alongside a comfortable fit and high-quality 24-bit digital audio via USB-C. However, main cons involve the lack of active noise cancellation (ANC), noticeable sound leakage, and small, occasionally fiddly physical controls.

Technical Specifications of Master & Dynamic MH40 Wireless Gen 2

Technical Score

What it is: An assessment of the headphones' technical performance, covering key areas such as sound quality, noise cancelling, microphone performance, battery life, comfort, connectivity, features, and build quality.

When it matters: When you want to compare headphones based on technical performance and available features.

Score components:

52.0%

?

Sound

20.0%

?

Features

10.0%

?

Design

8.0%

?

Connectivity

6.0%

?

Battery

4.0%

?

Calls & Controls

5.7
Master & Dynamic MH40 Wireless Gen 2 has a technical score of 5.7 points, which is higher than that of 69.4% of products in this category.
User score

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.

Score components:

70.0%

0.0

User reviews

30.0%

1.0

Popularity

?
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.
1.0
Master & Dynamic MH40 Wireless Gen 2 has a popularity of 1 points, which is lower than 72.7% of products in this category.
Ratio quality/price

What it is: An indicator that combines the headphones' overall rating with their cost.

When it matters: When you are looking for headphones that offer a strong balance of performance, features, and price.

Score components:

60.0%

5.7

Overall score

40.0%

8.4

Price

6.5
Master & Dynamic MH40 Wireless Gen 2 has a quality-to-price ratio of 6.5 points, which is lower than 60.6% of products in this category.
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

no
Master & Dynamic MH40 Wireless Gen 2 does not support active noise cancellation. 27.4% of headphones support active noise cancellation.
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

40 mm
Master & Dynamic MH40 Wireless Gen 2 uses a driver size of 40 mm, larger driver size than 28.2% of headphones and equal to 53.6% of headphones.
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

1
Master & Dynamic MH40 Wireless Gen 2 uses 1 drivers, equal to 96% of headphones.
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

20 Hz
Master & Dynamic MH40 Wireless Gen 2 reaches a lowest frequency of 20 Hz, higher lowest frequency than 50.6% of headphones and equal to 47.5% of headphones.
Show more
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

no
Master & Dynamic MH40 Wireless Gen 2 does not support a noise-canceling microphone. 45.6% of headphones support noise-canceling microphones.
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

yes
Master & Dynamic MH40 Wireless Gen 2 is headset-ready, 84.7% is not. 15.3% of headphones can be used as headsets.
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

2
Master & Dynamic MH40 Wireless Gen 2 has 2 microphones, more microphones than 78.2% of headphones and equal to 8.8% of headphones.
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

no
Master & Dynamic MH40 Wireless Gen 2 does not include a boom microphone. 15.6% of headphones have a boom microphone.
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

?
Show more
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

wireless
Master & Dynamic MH40 Wireless Gen 2 supports wireless connectivity, more flexible connectivity than 52.6% of headphones and equal to 47.4% of headphones.
supports both wireless and wired connectivity.
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

5.2
Master & Dynamic MH40 Wireless Gen 2 uses Bluetooth version 5.2, newer Bluetooth version than 85.6% of headphones and equal to 3% of headphones.
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

30 m
Master & Dynamic MH40 Wireless Gen 2 offers a Bluetooth range of 30 m, higher Bluetooth range than 94.6% of headphones and equal to 2.3% of headphones.
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

?
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

yes
Master & Dynamic MH40 Wireless Gen 2 supports multipoint. 35% of headphones support multipoint.
Show more
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

no
Master & Dynamic MH40 Wireless Gen 2 does not support EQ customization. 23.3% of headphones support EQ.
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

yes
Master & Dynamic MH40 Wireless Gen 2 works with a companion app. 55.7% of headphones support companion apps.
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

yes
Master & Dynamic MH40 Wireless Gen 2 supports voice assistants. 39.2% of headphones support voice assistants.
Show more
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

30 hours
Master & Dynamic MH40 Wireless Gen 2 offers battery life of 30 hours, higher battery life than 46% of headphones and equal to 10.5% of headphones.
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

1.33 hours
Master & Dynamic MH40 Wireless Gen 2 needs 1.33 hours to charge, lower charging time than 94.9% of headphones and equal to 0.6% of headphones.
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

yes
Master & Dynamic MH40 Wireless Gen 2 supports quick charge. 31% of headphones support quick charge.
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

420 mAh
Master & Dynamic MH40 Wireless Gen 2 has a battery capacity of 420 mAh, lower battery capacity than 69.3% of headphones and equal to 0.8% of headphones.
Show more
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

Master & Dynamic
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

over-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

280 g
Master & Dynamic MH40 Wireless Gen 2 weighs 280 g, heavier than 73.1% of headphones and equal to 1.3% of headphones.
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

4
Master & Dynamic MH40 Wireless Gen 2 has a clamp force of 4, lower clamp force than 51.5% of headphones and equal to 7.5% of headphones.
Show more

Master & Dynamic MH40 Wireless Gen 2 vs the average headphone

  • Hi-Res Audio certification
    Master & Dynamic MH40 Wireless Gen 2 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

    Master & Dynamic MH40 Wireless Gen 2 has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
  • More flexible connectivity
    Master & Dynamic MH40 Wireless Gen 2 offers more flexible connectivity than the average headphone (wireless vs wired). The average headphones support wired connectivity.
    supports both wireless and wired 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

    Master & Dynamic MH40 Wireless Gen 2 offers more flexible connectivity than the average headphone (wireless vs wired). The average headphones support wired connectivity.wireless vs wired
  • On-device controls
    Master & Dynamic MH40 Wireless Gen 2 includes on-device controls, the average headphone does not. 46.8% of headphones support on-device controls.
    What it is: Physical controls available directly on headphones
    When it matters: When you need playback, volume, or call controls to be easy to reach without pulling out your phone.

    Importance: MEDIUM

    Master & Dynamic MH40 Wireless Gen 2 includes on-device controls, the average headphone does not. 46.8% of headphones support on-device controls.
  • 0.67 hours shorter charging time
    Master & Dynamic MH40 Wireless Gen 2 has a lower charging time than the average headphone (1.3 hours vs 2 hours). The average headphones need 2 hours to charge.
    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

    Master & Dynamic MH40 Wireless Gen 2 has a lower charging time than the average headphone (1.3 hours vs 2 hours). The average headphones need 2 hours to charge.1.33 hours vs 2 hours
  • 20 m longer Bluetooth range
    Master & Dynamic MH40 Wireless Gen 2 has a higher Bluetooth range than the average headphone (30 m vs 10 m). The average headphones offer a Bluetooth range of 10 m.
    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

    Master & Dynamic MH40 Wireless Gen 2 has a higher Bluetooth range than the average headphone (30 m vs 10 m). The average headphones offer a Bluetooth range of 10 m.30 m vs 10 m
  • Wind noise reduction
    Master & Dynamic MH40 Wireless Gen 2 reduces wind noise, the average headphone does not. 34.1% of headphones support wind noise reduction.
    What it is: Reduces wind interference for clearer outdoor calls
    When it matters: When you take calls outdoors while walking, cycling, or commuting.

    Importance: LOW

    Master & Dynamic MH40 Wireless Gen 2 reduces wind noise, the average headphone does not. 34.1% of headphones support wind noise reduction.
  • 4 dB/mW higher sensitivity
    Master & Dynamic MH40 Wireless Gen 2 has a higher sensitivity than the average headphone (106 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

    Master & Dynamic MH40 Wireless Gen 2 has a higher sensitivity than the average headphone (106 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.106 dB/mW vs 102 dB/mW
  • 1 more microphones
    Master & Dynamic MH40 Wireless Gen 2 has more microphones than the average headphone (2 vs 1). The average headphones have 1 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

    Master & Dynamic MH40 Wireless Gen 2 has more microphones than the average headphone (2 vs 1). The average headphones have 1 microphones.2 vs 1
  • Hi-Res Audio certification
    Master & Dynamic MH40 Wireless Gen 2 has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
  • 4 dB/mW higher sensitivity
    Master & Dynamic MH40 Wireless Gen 2 has a higher sensitivity than the average headphone (106 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
  • 0.67 hours shorter charging time
    Master & Dynamic MH40 Wireless Gen 2 has a lower charging time than the average headphone (1.3 hours vs 2 hours). The average headphones need 2 hours to charge.
  • USB-C charging
    Master & Dynamic MH40 Wireless Gen 2 uses USB-C charging, the average headphone does not. 29.4% of headphones use USB Type-C.
  • Rechargeable battery
    Master & Dynamic MH40 Wireless Gen 2 has a rechargeable battery, the average headphone does not. 47.9% of headphones have a rechargeable battery.
  • Play while charging
    Master & Dynamic MH40 Wireless Gen 2 can play while charging, the average headphone cannot. 55.9% of headphones support play while charging.
  • More flexible connectivity
    Master & Dynamic MH40 Wireless Gen 2 offers more flexible connectivity than the average headphone (wireless vs wired). The average headphones support wired connectivity.
  • 20 m longer Bluetooth range
    Master & Dynamic MH40 Wireless Gen 2 has a higher Bluetooth range than the average headphone (30 m vs 10 m). The average headphones offer a Bluetooth range of 10 m.
  • On-device controls
    Master & Dynamic MH40 Wireless Gen 2 includes on-device controls, the average headphone does not. 46.8% of headphones support on-device controls.
  • Wind noise reduction
    Master & Dynamic MH40 Wireless Gen 2 reduces wind noise, the average headphone does not. 34.1% of headphones support wind noise reduction.
  • 1 more microphones
    Master & Dynamic MH40 Wireless Gen 2 has more microphones than the average headphone (2 vs 1). The average headphones have 1 microphones.
  • Sidetone support
    Master & Dynamic MH40 Wireless Gen 2 supports sidetone, the average headphone does not. 29.7% of headphones support sidetone.
  • Quick mic mute
    Master & Dynamic MH40 Wireless Gen 2 includes a quick mic mute, the average headphone does not. 33.5% of headphones support a mute function.

Total
Sound
Battery
Connectivity
Calls & Controls
  • 28.4% higher weight
    Master & Dynamic MH40 Wireless Gen 2 is heavier than the average headphone (280 g vs 218 g). The average pair of headphones weighs 218 g.
  • 8 mm tighter earcup width
    Master & Dynamic MH40 Wireless Gen 2 has tighter earcup width than the average headphone (35 mm vs 43 mm). The average headphones offer an inner earcup width of 43 mm.
  • 5 mm tighter earcup height
    Master & Dynamic MH40 Wireless Gen 2 has tighter earcup height than the average headphone (55 mm vs 60 mm). The average headphones offer an inner earcup height of 60 mm.
  • 2 Hz weaker bass extension
    Master & Dynamic MH40 Wireless Gen 2 has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
  • 25 dB lower max SPL
    Master & Dynamic MH40 Wireless Gen 2 has a lower max SPL than the average headphone (85 dB vs 110 dB). The average headphones reach a max SPL of 110 dB.
  • 30% lower battery capacity
    Master & Dynamic MH40 Wireless Gen 2 has a lower battery capacity than the average headphone (420 mAh vs 600 mAh). The average headphones have a battery capacity of 600 mAh.
  • 28.4% higher weight
    Master & Dynamic MH40 Wireless Gen 2 is heavier than the average headphone (280 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

    Master & Dynamic MH40 Wireless Gen 2 is heavier than the average headphone (280 g vs 218 g). The average pair of headphones weighs 218 g.280 g vs 218 g
  • 2 Hz weaker bass extension
    Master & Dynamic MH40 Wireless Gen 2 has a higher lowest frequency than the average headphone (20 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

    Master & Dynamic MH40 Wireless Gen 2 has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.20 Hz vs 18 Hz
  • 4.44x more expensive
    Master & Dynamic MH40 Wireless Gen 2 is more expensive than the average headphone (£400 vs £90).
    Master & Dynamic MH40 Wireless Gen 2 is more expensive than the average headphone (£400 vs £90).£400 vs £90
  • 8 mm tighter earcup width
    Master & Dynamic MH40 Wireless Gen 2 has tighter earcup width than the average headphone (35 mm vs 43 mm). The average headphones offer an inner earcup width of 43 mm.
    What it is: Internal width of the earcup cavity
    When it matters: When earcup fit affects comfort and pressure around your ears.

    Importance: MEDIUM

    Master & Dynamic MH40 Wireless Gen 2 has tighter earcup width than the average headphone (35 mm vs 43 mm). The average headphones offer an inner earcup width of 43 mm.35 mm vs 43 mm
  • 4.65x less popular
    Master & Dynamic MH40 Wireless Gen 2 is less popular than the average headphone (1.00 vs 4.646).
    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.
    Master & Dynamic MH40 Wireless Gen 2 is less popular than the average headphone (1.00 vs 4.646).1 vs 4.65
  • 5 mm tighter earcup height
    Master & Dynamic MH40 Wireless Gen 2 has tighter earcup height than the average headphone (55 mm vs 60 mm). The average headphones offer an inner earcup height of 60 mm.
    What it is: Internal height of the earcup cavity
    When it matters: When larger ears need enough space inside the earcups.

    Importance: MEDIUM

    Master & Dynamic MH40 Wireless Gen 2 has tighter earcup height than the average headphone (55 mm vs 60 mm). The average headphones offer an inner earcup height of 60 mm.55 mm vs 60 mm
  • 30% lower battery capacity
    Master & Dynamic MH40 Wireless Gen 2 has a lower battery capacity than the average headphone (420 mAh vs 600 mAh). The average headphones have a battery capacity of 600 mAh.
    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

    Master & Dynamic MH40 Wireless Gen 2 has a lower battery capacity than the average headphone (420 mAh vs 600 mAh). The average headphones have a battery capacity of 600 mAh.420 mAh vs 600 mAh
  • 25 dB lower max SPL
    Master & Dynamic MH40 Wireless Gen 2 has a lower max SPL than the average headphone (85 dB vs 110 dB). The average headphones reach a max SPL of 110 dB.
    What it is: Maximum safe sound pressure level
    When it matters: When high-volume headroom is part of your use case.

    Importance: LOW

    Good value: >=116 dB

    Master & Dynamic MH40 Wireless Gen 2 has a lower max SPL than the average headphone (85 dB vs 110 dB). The average headphones reach a max SPL of 110 dB.85 dB vs 110 dB
Total
Overall
Design
Sound
Battery

Graphic comparison of Master & Dynamic MH40 Wireless Gen 2 and

Attribute category
Attribute
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Third-party reviews

What customers like about Master & Dynamic MH40 Wireless Gen 2?

  • Iconic, premium industrial aesthetic with high-quality aluminum and lambskin leather details.
  • Excellent build quality using robust materials built for long-term durability without visible plastic parts.
  • Upgraded titanium 40mm drivers delivering crisp, clean audio and a wide soundstage.
  • Comfortable fit for long listening sessions with soft memory foam and magnetic, easily replaceable ear pads.
  • Great battery life providing up to 30 hours of playback along with quick charging capabilities.
  • Versatile connectivity options including Bluetooth 5.2, high-res USB-C digital audio, and a 3.5mm analog jack.

What customers dislike about Master & Dynamic MH40 Wireless Gen 2?

  • Lacks Active Noise Cancellation (ANC), relying only on passive isolation.
  • Noticeable sound leakage when listening at higher volumes in quiet environments.
  • High premium price point compared to competitors offering more features.
  • Absence of modern smart features like on-ear detection or native Spatial Audio support.
  • Wired microphone and call quality can pick up louder background distractions in noisy settings.

Video reviews

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