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Sennheiser mm 30I Review | 93 Data compared

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  • Avg. price in UK: ~£45
  • Avg. price in US: ~$40
  • Form factor: in-ear
  • Connectivity: wired
  • Battery life: N/A hours
  • Active noise cancellation (ANC): no

Sennheiser mm 30I review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if it is worth buying.

5.8

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%

5.0

Technical Score

20.0%

8.9

User score

Good
5.0

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%

5.0

Sound

20.0%

4.1

Features

10.0%

8.3

Design

8.0%

6.2

Connectivity

6.0%

1.0

Battery

4.0%

4.5

Calls & Controls

Good
8.9

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%

8.4

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.2
(1724)
amazon
4.1
(205)
United States
Amazon_logo.png
4.2
(1724)
Amazon_logo.png
4.1
(205)

(Reviews last updated: June 2026)

Excellent
  • 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

  • 2.1
    Travel

    Score components:

    28.0%

    1.0

    Active noise cancellation (ANC)

    24.0%

    0.0

    Battery life

    18.0%

    10

    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

  • 6.0
    Workout

    Score components:

    28.0%

    10

    Weight

    24.0%

    1.0

    Water resistance

    20.0%

    9.0

    IP rating

    16.0%

    0.0

    Battery life

    12.0%

    10

    Can be used as a headset

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Best prices in UK

Best rankings

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

Verdict

The Sennheiser MM 30i is a wired in-ear headset featuring a closed dynamic transducer design with a frequency response of 17 Hz to 20,000 Hz, an impedance of 16 ohms, and a sensitivity of 106 dB. Designed specifically for Apple devices, it includes a 1.2m cable with a 3.5mm gold-plated jack and an integrated 3-button smart remote with an omnidirectional microphone (100 Hz – 6,400 Hz). Main pros include its effective passive noise isolation, bass-driven stereo sound, and lightweight 11g build that ensures a comfortable fit with three sizes of included ear sleeves. However, notable cons include limited remote and microphone compatibility with non-Apple products, the lack of a carrying case, and reports of potential cable durability issues over long-term use.

Technical Specifications of Sennheiser mm 30I

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%

5.0

Sound

20.0%

4.1

Features

10.0%

8.3

Design

8.0%

6.2

Connectivity

6.0%

1.0

Battery

4.0%

4.5

Calls & Controls

5.0
Sennheiser mm 30I has a technical score of 5 points, which is higher than that of 52.9% 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%

8.4

User reviews

30.0%

10

Popularity

User score:
United Kingdom
amazon
4.2
(1724)
amazon
4.1
(205)
United States
Amazon_logo.png
4.2
(1724)
Amazon_logo.png
4.1
(205)

(Reviews last updated: June 2026)

8.9
Sennheiser mm 30I has a user score of 8.87 points, which is higher than that of 80.6% of products in this category.
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.
10
Sennheiser mm 30I has a popularity of 10 points, which is higher than 71.9% 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%

5.8

Overall score

40.0%

10

Price

7.0
Sennheiser mm 30I has a quality-to-price ratio of 7 points, which is higher than 61.2% 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
Sennheiser mm 30I 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

?
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
Sennheiser mm 30I 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

17 Hz
Sennheiser mm 30I reaches a lowest frequency of 17 Hz, lower lowest frequency than 53.4% of headphones and equal to 0.9% 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
Sennheiser mm 30I 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
Sennheiser mm 30I 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

1
Sennheiser mm 30I has 1 microphones, more microphones than 25.9% of headphones and equal to 52.2% 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
Sennheiser mm 30I 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

wired
Sennheiser mm 30I supports wired connectivity, equal to 52.6% of headphones.
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
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
Sennheiser mm 30I 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

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

yes
Sennheiser mm 30I 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

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
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

Sennheiser
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

in-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

11 g
Sennheiser mm 30I weighs 11 g, lighter than 94.2% of headphones and equal to 1% 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

N/A
Show more

Sennheiser mm 30I vs the average headphone

  • 95% lower weight
    Sennheiser mm 30I is lighter than the average headphone (11 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

    Sennheiser mm 30I is lighter than the average headphone (11 g vs 218 g). The average pair of headphones weighs 218 g.11 g vs 218 g
  • Direct 3.5 mm plug
    Sennheiser mm 30I includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
    What it is: Shows whether the headphones end in a built-in 3.5 mm male plug instead of relying on a separate detachable cable.
    When it matters: When direct wired compatibility with older devices or adapters matters.

    Importance: MEDIUM

    Sennheiser mm 30I includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
  • In-line controls
    Sennheiser mm 30I 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

    Sennheiser mm 30I includes in-line controls, the average headphone does not. 36.4% of headphones support in-line controls.
  • 0.2 % lower distortion
    Sennheiser mm 30I has a lower total harmonic distortion than the average headphone (0.1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
    What it is: Percentage of harmonic distortion in audio output
    When it matters: When cleaner sound reproduction matters at louder volumes.

    Importance: LOW

    Good value: <=1%

    Sennheiser mm 30I has a lower total harmonic distortion than the average headphone (0.1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.0.1 % vs 0.3 %
  • 4 dB/mW higher sensitivity
    Sennheiser mm 30I 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

    Sennheiser mm 30I 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
  • 10.8% higher user score
    Sennheiser mm 30I has a higher user score than the average headphone (8.87 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.
    Sennheiser mm 30I has a higher user score than the average headphone (8.87 vs 8.000).8.87 vs 8
  • 2.15x more popular
    Sennheiser mm 30I is more popular than the average headphone (10.00 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.
    Sennheiser mm 30I is more popular than the average headphone (10.00 vs 4.646).10 vs 4.65
  • 95% lower weight
    Sennheiser mm 30I is lighter than the average headphone (11 g vs 218 g). The average pair of headphones weighs 218 g.
  • 0.2 % lower distortion
    Sennheiser mm 30I has a lower total harmonic distortion than the average headphone (0.1 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
  • 4 dB/mW higher sensitivity
    Sennheiser mm 30I has a higher sensitivity than the average headphone (106 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
  • Direct 3.5 mm plug
    Sennheiser mm 30I includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
  • In-line controls
    Sennheiser mm 30I includes in-line controls, the average headphone does not. 36.4% of headphones support in-line controls.

Total
Overall
Design
Sound
Connectivity
Calls & Controls
  • Fixed cable
    Sennheiser mm 30I has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
  • 5 years older release date
    Sennheiser mm 30I was released earlier than the average headphone (2,012 vs 2,017). The average headphones were released in 2,017.
    November 2012
  • Fixed cable
    Sennheiser mm 30I has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
    What it is: Cable can be removed or replaced
    When it matters: When you care about easier cable replacement, simpler storage, or the option to swap to shorter, longer, or upgraded leads.

    Importance: MEDIUM

    Sennheiser mm 30I has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
  • 5 years older release date
    Sennheiser mm 30I was released earlier than the average headphone (2,012 vs 2,017). The average headphones were released in 2,017.
    November 2012
    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

    Sennheiser mm 30I was released earlier than the average headphone (2,012 vs 2,017). The average headphones were released in 2,017.2012 vs 2017
Total
Design
Features

Graphic comparison of Sennheiser mm 30I and

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Attribute
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Third-party reviews

United Kingdom
amazon
4.2
1724 Reviews
amazon
4.1
205 Reviews
United States
Amazon_logo.png
4.2
1724 Reviews
Amazon_logo.png
4.1
205 Reviews

(Reviews last updated: June 2026)

What customers like about Sennheiser mm 30I?

  • High sound quality with clear clarity and balanced performance across frequencies
  • Strong, punchy bass response that is surprising for earbud-style headphones
  • Comfortable fit suitable for all-day wear and physical activities like jogging
  • Effective passive noise isolation due to a snug ear-canal design
  • Convenient in-line remote for volume, track control, and clear microphone calls on iOS
  • Excellent value for money, often cited as high quality for its price point

What customers dislike about Sennheiser mm 30I?

  • Limited compatibility: volume controls and certain remote functions do not work on Android or BlackBerry
  • Durability issues with the cable, with some users reporting it breaks easily over time
  • Lack of a carrying case or pouch for protection when traveling
  • Microphonics (cable noise) where the sound of the wire moving can be heard in the earbuds
  • Tangled cord issues, as the cable is not specifically designed to be tangle-free

Expert reviews

L
leclaireur.fnac.com
16/11/2016
Sennheiser MM30i Review: Excellent Wired Earphones

The Fnac Lab review awards the Sennheiser MM30i wired in-ear headphones a 5 out of 5-star technical rating. The primary advantages of these headphones are their near-perfect sound clarity and zero signal distortion, scoring a maximum 10 out of 10 in Lab tests across multiple low-to-mid frequencies (80 Hz, 100 Hz, and 200 Hz). Additionally, they feature a helpful integrated...Read more

(Translated)Show original
Y
yumpu.com
16/01/2015
SOUND No. 489

SUONO Magazine Issue n° 489 features an in-depth Italian audiophile review showcase that prominently details extensive testing for high-end audio equipment, specifically targeting the Sennheiser HD 800Go reference headphones and a specialized McIntosh headphone amplifier. The publication highlights the exceptional build and structural ergonomics of the Sennheiser HD 800, emphasizing...Read more

(Translated)Show original
C
cuffie-auricolari.it
Unknown Date
Sennheiser MM 30i: The Sennheiser MM 30i earphones are a top-of-the-line product

Sennheiser is a famous German company started on June 1, 1945, that makes top-quality audio gear like microphones and headphones. The brand became well-known in the late 1960s when they made the very first open-back headphones, which were light and easy to wear. Over the years, they made famous items like the ultra-expensive Orpheus headphones, the comfortable HD800 model, and...Read more

(Translated)Show original
T
tweakers.net
04/06/2014
Sennheiser MM 30i Black - CoffeeCup - Product reviews

The Tweakers.net review of the Sennheiser MM 30i Zwart highlights these in-ear headphones as a high-quality, reasonably priced option, boasting excellent sound and solid construction. Key pros include effective passive noise isolation, a secure fit, and a small, convenient audio plug. The user, KofjeKoppie, implies there are no major drawbacks for daily use, focusing entirely on the...Read more

(Translated)Show original

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