Klim Fusion C Review | 93 Data compared

Klim Fusion C Review | 93 Data compared

double-arrow
  • Avg. price in UK: ~£20
  • Avg. price in US: ~$20
  • Form factor: in-ear
  • Connectivity: wired
  • Battery life: N/A hours
  • Active noise cancellation (ANC): no

Klim Fusion C review. Compare 93 technical specifications and user reviews to see how this product ranks in the Headphones category and whether it is worth buying.

5.5

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%

5.5

Technical Score

20.0%

?

User score

Good
5.5

Technical Score

What it is: An assessment of technical performance for products in the Headphones category across these key areas: Sound, Calls & Controls, Connectivity, Features, Battery, Design.

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%

4.4

Features

10.0%

7.2

Design

8.0%

4.7

Connectivity

6.0%

4.9

Battery

4.0%

7.9

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

  • 7.6
    Gaming

    Score components:

    35.0%

    ?

    Audio latency

    25.0%

    4.0

    Low-latency game mode

    20.0%

    10

    Can be used as a headset

    12.0%

    10

    Noise-canceling microphone

    8.0%

    ?

    Battery life

  • 5.7
    Travel

    Score components:

    28.0%

    4.0

    Active noise cancellation (ANC)

    24.0%

    ?

    Battery life

    18.0%

    ?

    Weight

    16.0%

    4.0

    Multipoint support

    14.0%

    4.0

    Ambient sound mode

  • 7.8
    Calls

    Score components:

    28.0%

    10

    Noise-canceling microphone

    24.0%

    10

    Can be used as a headset

    18.0%

    4.0

    Multipoint support

    16.0%

    ?

    Battery life

    14.0%

    4.0

    Companion app

  • 7.3
    Workout

    Score components:

    28.0%

    ?

    Weight

    24.0%

    4.0

    Water resistance

    20.0%

    ?

    IP rating

    16.0%

    ?

    Battery life

    12.0%

    10

    Can be used as a headset

  • klim-fusion-c
  • klim-fusion-c
  • klim-fusion-c
  • klim-fusion-c
  • klim-fusion-c
  • klim-fusion-c
  • klim-fusion-c
klim-fusion-c
klim-fusion-c
klim-fusion-c
klim-fusion-c
klim-fusion-c
klim-fusion-c
klim-fusion-c

Best prices in UK

    N/A~ £20

Best rankings

?

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

Verdict

The KLIM Fusion C is a durable pair of in-ear headphones designed with a USB-C connection, featuring a wide frequency range of 15 Hz to 21,000 Hz, a low impedance of 16 Ohms, and a sensitivity of 118 dB. Key characteristics include an L-shaped connector for improved longevity, a 1.3-meter tangle-free cable, and magnetized earbuds that snap together for easy storage. Main pros include the exceptional comfort provided by the included memory foam ear tips that offer passive noise isolation, a built-in microphone with volume/playback controls, and a generous 5-year warranty. On the downside, the audio profile is notably bass-heavy, which may not appeal to those seeking a neutral sound, and the earbuds are slightly heavier than standard models at approximately 20 grams.

Technical Specifications of pair of headphones Klim Fusion C

Technical Score

What it is: An assessment of technical performance for products in the Headphones category across these key areas: Sound, Calls & Controls, Connectivity, Features, Battery, Design.

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

5.5
Klim Fusion C has a technical score of 5.46 points, which is lower than that of 77% 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
Klim Fusion C has a popularity of 1 points, which is lower than 73.4% 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%

5.5

Overall score

40.0%

10

Price

6.8
Klim Fusion C has a quality-to-price ratio of 6.8 points, which is lower than 79.3% 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
Klim Fusion C does not support active noise cancellation. 27.5% 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: HIGH

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: HIGH

9 mm
Klim Fusion C uses a driver size of 9 mm, smaller driver size than 92.3% of headphones and equal to 2.6% 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
Klim Fusion C uses 1 drivers, fewer drivers than 4% of headphones and 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

15 Hz
Klim Fusion C reaches a lowest frequency of 15 Hz, lower lowest frequency than 58.3% of headphones and equal to 5.8% 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: LOW

yes
Klim Fusion C supports a noise-canceling microphone. 61.1% 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: LOW

yes
Klim Fusion C is headset-ready, 84.8% is not. 15.2% 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
Klim Fusion C has 1 microphones, more microphones than 26.9% of headphones and equal to 50.9% 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
Klim Fusion C does not include a boom microphone. 13.5% 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: LOW

wired
Klim Fusion C supports wired connectivity, less flexible connectivity than 49.2% of headphones and equal to 50.8% 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: LOW

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: MEDIUM

Good value: <60 ms

90 ms
Klim Fusion C has audio latency of 90 ms, lower audio latency than 56.7% of headphones and equal to 0.3% of headphones.
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: LOW

no
Klim Fusion C does not support multipoint. 30.6% 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

no
Klim Fusion C does not offer ambient sound mode. 24.9% of headphones support ambient sound mode.
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
Klim Fusion C does not support EQ customization. 23.2% 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

no
Klim Fusion C does not work with a companion app. 21.6% 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: HIGH

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
Klim Fusion C 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: LOW

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: LOW

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: LOW

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: LOW

no
Klim Fusion C does not support quick charging. 33.1% 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: LOW

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: LOW

Klim
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: LOW

in-ear
Weight
What it is: Total weight of the headphones
When it matters: When long listening sessions make wearing comfort more important.

Importance: HIGH

Good value: <150 g

19 g
Klim Fusion C weighs 19 g, lighter than 86.1% of headphones and equal to 0.2% 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: LOW

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: LOW

N/A
Show more

Klim Fusion C vs the average pair of headphones

  • 91.3% lower weight
    Klim Fusion C is lighter than the average pair of headphones (19 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: HIGH

    Good value: <150 g

    Klim Fusion C is lighter than the average pair of headphones (19 g vs 218 g). The average pair of headphones weighs 218 g.19 g vs 218 g
  • Clear call microphone
    Klim Fusion C offers a clear call microphone, while the average pair of headphones does not. 39% of headphones support noise-canceling microphones.
    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: LOW

    Klim Fusion C offers a clear call microphone, while the average pair of headphones does not. 39% of headphones support noise-canceling microphones.
  • In-line controls
    Klim Fusion C includes in-line controls, the average pair of headphones does not. 36.6% 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

    Klim Fusion C includes in-line controls, the average pair of headphones does not. 36.6% of headphones support in-line controls.
  • USB-C charging
    Klim Fusion C uses USB-C charging, the average pair of headphones does not. 29.5% of headphones use USB Type-C.
    What it is: Uses USB-C connector for charging or data
    When it matters: When you want to charge with the same cable family used by your phone, tablet, laptop, or other daily devices.

    Importance: LOW

    Klim Fusion C uses USB-C charging, the average pair of headphones does not. 29.5% of headphones use USB Type-C.
  • Quick mic mute
    Klim Fusion C includes a quick mic mute, the average pair of headphones does not. 29.3% of headphones support a mute function.
    What it is: Ability to mute microphone during calls
    When it matters: When you need to silence the mic quickly during meetings or multiplayer games.

    Importance: LOW

    Klim Fusion C includes a quick mic mute, the average pair of headphones does not. 29.3% of headphones support a mute function.
  • 4.5x cheaper
    Klim Fusion C is cheaper than the average pair of headphones (£20 vs £90).
    Klim Fusion C is cheaper than the average pair of headphones (£20 vs £90).£20 vs £90
  • Better IP rating
    Klim Fusion C has a better IP rating than the average pair of headphones (IPX7 vs none). The average headphones have an IP rating of none.
    What it is: Level of dust and water protection rating
    When it matters: When sweat, rain, or dust exposure is part of how you use the headphones.

    Importance: LOW

    Klim Fusion C has a better IP rating than the average pair of headphones (IPX7 vs none). The average headphones have an IP rating of none.IPX7 vs none
  • 60 ms lower audio latency
    Klim Fusion C has a lower audio latency than the average pair of headphones (90 ms vs 150 ms). The average headphones have audio latency of 150 ms.
    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: MEDIUM

    Good value: <60 ms

    Klim Fusion C has a lower audio latency than the average pair of headphones (90 ms vs 150 ms). The average headphones have audio latency of 150 ms.90 ms vs 150 ms
  • 91.3% lower weight
    Klim Fusion C is lighter than the average pair of headphones (19 g vs 218 g). The average pair of headphones weighs 218 g.
  • Better IP rating
    Klim Fusion C has a better IP rating than the average pair of headphones (IPX7 vs none). The average headphones have an IP rating of none.
  • 3 Hz lower bass extension
    Klim Fusion C has a lower lowest frequency than the average pair of headphones (15 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
  • USB-C charging
    Klim Fusion C uses USB-C charging, the average pair of headphones does not. 29.5% of headphones use USB Type-C.
  • 60 ms lower audio latency
    Klim Fusion C has a lower audio latency than the average pair of headphones (90 ms vs 150 ms). The average headphones have audio latency of 150 ms.
  • Clear call microphone
    Klim Fusion C offers a clear call microphone, while the average pair of headphones does not. 39% of headphones support noise-canceling microphones.
  • In-line controls
    Klim Fusion C includes in-line controls, the average pair of headphones does not. 36.6% of headphones support in-line controls.
  • Quick mic mute
    Klim Fusion C includes a quick mic mute, the average pair of headphones does not. 29.3% of headphones support a mute function.
  • Non-replaceable earpads
    Klim Fusion C has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
  • Fixed cable
    Klim Fusion C has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • 31 mm smaller driver size
    Klim Fusion C has smaller driver size than the average pair of headphones (9 mm vs 40 mm). The average headphones use a driver size of 40 mm.
  • 4 dB/mW lower sensitivity
    Klim Fusion C has a lower sensitivity than the average pair of headphones (98 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
  • 2.5 dB looser channel balance
    Klim Fusion C has a higher channel balance tolerance than the average pair of headphones (3 dB vs 0.5 dB). The average headphones have channel balance tolerance of 0.5 dB.
  • No neodymium magnet
    Klim Fusion C does not use neodymium magnets, the average pair of headphones does. 81.9% of headphones use neodymium magnets.
  • 25 dB lower max SPL
    Klim Fusion C has a lower max SPL than the average pair of headphones (85 dB vs 110 dB). The average headphones reach a max SPL of 110 dB.
  • 5 dB SPL lower sound pressure level
    Klim Fusion C has a lower sound pressure level than the average pair of headphones (98 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
  • No battery indicator
    Klim Fusion C does not show battery level clearly, while the average pair of headphones does. 56.3% of headphones have a battery level indicator.
  • 6 older release date
    Klim Fusion C was released earlier than the average pair of headphones (2010 vs 2016). The average headphones were released in 2016.
  • 31 mm smaller driver size
    Klim Fusion C has smaller driver size than the average pair of headphones (9 mm vs 40 mm). The average headphones use a driver size of 40 mm.
    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: HIGH

    Klim Fusion C has smaller driver size than the average pair of headphones (9 mm vs 40 mm). The average headphones use a driver size of 40 mm.9 mm vs 40 mm
  • Non-replaceable earpads
    Klim Fusion C has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
    What it is: Earpads can be replaced when worn out
    When it matters: When you care about long-term maintenance and extending product life.

    Importance: LOW

    Klim Fusion C has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
  • Fixed cable
    Klim Fusion C has a fixed cable, while the average pair of headphones 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: LOW

    Klim Fusion C has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • 4 dB/mW lower sensitivity
    Klim Fusion C has a lower sensitivity than the average pair of headphones (98 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

    Klim Fusion C has a lower sensitivity than the average pair of headphones (98 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.98 dB/mW vs 102 dB/mW
  • No battery indicator
    Klim Fusion C does not show battery level clearly, while the average pair of headphones does. 56.3% of headphones have a battery level indicator.
    What it is: Shows remaining battery charge visually or audibly
    When it matters: When you dislike unexpected shutdowns and want clearer warning before leaving home, boarding a flight, or joining a call.

    Importance: LOW

    Klim Fusion C does not show battery level clearly, while the average pair of headphones does. 56.3% of headphones have a battery level indicator.
  • 5.87x less popular
    Klim Fusion C is less popular than the average pair of headphones (1.00 vs 5.869).
    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.
    Klim Fusion C is less popular than the average pair of headphones (1.00 vs 5.869).1 vs 5.87
  • 2.5 dB looser channel balance
    Klim Fusion C has a higher channel balance tolerance than the average pair of headphones (3 dB vs 0.5 dB). The average headphones have channel balance tolerance of 0.5 dB.
    What it is: Tolerance between left and right channel volume balance
    When it matters: When stereo precision and left-right consistency matter to you.

    Importance: LOW

    Good value: <=0.5 dB

    Klim Fusion C has a higher channel balance tolerance than the average pair of headphones (3 dB vs 0.5 dB). The average headphones have channel balance tolerance of 0.5 dB.3 dB vs 0.5 dB
  • 6.7% worse value for money
    Klim Fusion C has worse value for money than the average pair of headphones (6.82 vs 7.279).
    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.
    Klim Fusion C has worse value for money than the average pair of headphones (6.82 vs 7.279).6.82 vs 7.28

Graphic comparison of Klim Fusion C and other products in the Headphones category

Attribute category
Attribute
No results found

Third-party reviews

What customers like about Klim Fusion C?

  • Excellent value for money in the budget price range
  • Highly comfortable fit due to included memory foam ear tips
  • Strong bass performance often compared to more expensive brands
  • Good passive noise isolation provided by the memory foam seal
  • Generous long-term support with a 5-year warranty
  • Useful magnetized earbuds to prevent tangling and allow wearing around the neck
  • Comes with a variety of accessories including extra tips and a carrying pouch

What customers dislike about Klim Fusion C?

  • Mixed reports on long-term durability with some units failing after a few months
  • Sound profile can be perceived as too 'bassy' or 'muddy' for some listeners
  • The cable is prone to tangling despite the magnetic buds
  • In-line microphone quality is basic and not suitable for professional use
  • The USB-C connection may have compatibility issues with certain Android devices
  • Analogue volume slider can be imprecise or accidentally moved

Expert reviews

H
headphonedungeon.com
23/12/2020
Summary of the review
G
gbatemp.net
16/03/2019
Summary of the review

Video reviews

Compare Klim Fusion C with other products in the Headphones category

VS
VS

Compare