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Klim Fusion C Review | 93 Data compared

Avg. price:~£20Form factor:in-earConnectivity:wiredBattery life:N/A hoursActive 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.

Klim Fusion C
5.4/10

Overall score

Score
5.4/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 89% of models
Score components

80%

5.4

Technical score

20%

?

User score

â–¼Worse than 89% of headphones
6.8

Value for money

Value for money
6.8/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 84% of models
Score components

70%

5.4

Overall score

30%

10

Price

â–¼Worse than 84%
5.4

Technical score

Technical score
5.4/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 78% of models
Score components

52%

5.5

Sound

20%

4.4

Features

10%

7.2

Design

8%

4.7

Connectivity

6%

4.9

Battery

4%

7.8

Calls & Controls

â–¼Worse than 78%
?

User score

User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 58% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

Based on ratings from across the web.
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Where to buy
    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.
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Technical Specifications of pair of headphones Klim Fusion C

Technical score
Technical score
5.4/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 78% of models
Score components:

52%

5.5

Sound

20%

4.4

Features

10%

7.2

Design

8%

4.7

Connectivity

6%

4.9

Battery

4%

7.8

Calls & Controls

5.4
User score
User score
8.0/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 58% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

Based on ratings from across the web.
?
Popularity
Popularity
1.0/ 10
✕
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.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 99% of models
Popularity:
Klim Fusion C has a popularity score of 1 point, which is lower than that of 73.4% of products in this category.
1.0
Value for money
Value for money
6.8/ 10
✕
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 distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 84% of models
Score components:

70%

5.4

Overall score

30%

10

Price

6.8
Active noise cancellation (ANC)
no
This pair of headphones does not support active noise cancellation. 27.5% of headphones support active noise cancellation.
Driver type
dynamic
Driver size
9 mm
Market range: <10 mm – >50 mm
This pair of headphones 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
1
Market range: <1 – >4
This pair of headphones uses 1 drivers, fewer drivers than 4% of headphones and equal to 96% of headphones.
Lowest frequency
15 Hz
Market range: <5 Hz – >20 Hz
This pair of headphones 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
yes
This pair of headphones supports a noise-canceling microphone. 61.1% of headphones support noise-canceling microphones.
Can be used as a headset
yes
This pair of headphones is headset-ready, 84.8% is not. 15.2% of headphones can be used as headsets.
Number of microphones
1
Market range: <0 – >4
This pair of headphones has 1 microphones, more microphones than 26.9% of headphones and equal to 50.9% of headphones.
Boom microphone
no
This pair of headphones does not include a boom microphone. 13.5% of headphones have a boom microphone.
Microphone SNR
?
Show more
Connectivity
wired
This pair of headphones supports wired connectivity, less flexible connectivity than 49.2% of headphones and equal to 50.8% of headphones.
Bluetooth version
N/A
Maximum Bluetooth range
N/A
Audio latency
90 ms
Market range: <40 ms – >222 ms
This pair of headphones has audio latency of 90 ms, lower audio latency than 56.7% of headphones and equal to 0.3% of headphones.
Multipoint support
no
This pair of headphones does not support multipoint. 30.6% of headphones support multipoint.
Show more
Ambient sound mode
no
This pair of headphones does not offer ambient sound mode. 24.9% of headphones support ambient sound mode.
EQ support
no
This pair of headphones does not support EQ customization. 23.2% of headphones support EQ.
Companion app
no
This pair of headphones does not work with a companion app. 21.6% of headphones support companion apps.
Adjustable ANC levels
N/A
Voice assistant support
yes
This pair of headphones supports voice assistants. 39.2% of headphones support voice assistants.
Show more
Battery life
N/A
Battery life with ANC
N/A
Charging time
N/A
Quick charge
no
This pair of headphones does not support quick charging. 33.1% of headphones support quick charge.
Battery capacity
N/A
Show more
Brand name
Klim
Form factor
in-ear
Weight
19 g
Market range: <14 g – >340 g
This pair of headphones weighs 19 g, lighter than 86.1% of headphones and equal to 0.2% of headphones.
Acoustic design
closed-back
Clamp force
N/A
Show more

Klim Fusion C vs the average pair of headphones

246810TotalDesignSoundBatteryConnectivityCalls & ControlsFeatures
  • 91.3% lower weight
    This pair of headphones 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
    This pair of headphones offers a clear call microphone, while the average pair of headphones does not. 39% of headphones support noise-canceling microphones.
  • In-line controls
    This pair of headphones includes in-line controls, the average pair of headphones does not. 36.6% of headphones support in-line controls.
  • USB-C charging
    This pair of headphones uses USB-C charging, the average pair of headphones does not. 29.5% of headphones use USB Type-C.
  • Quick mic mute
    This pair of headphones 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).
    £20 vs £90
  • Better IP rating
    This pair of headphones 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
    This pair of headphones 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
  • 4.5x cheaper
    Klim Fusion C is cheaper than the average pair of headphones (£20 vs £90).
    £20 vs £90
  • 91.3% lower weight
    This pair of headphones 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
  • Better IP rating
    This pair of headphones 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
  • 3 Hz lower bass extension
    This pair of headphones 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.
    15 Hz vs 18 Hz
  • USB-C charging
    This pair of headphones uses USB-C charging, the average pair of headphones does not. 29.5% of headphones use USB Type-C.
  • 60 ms lower audio latency
    This pair of headphones 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
  • Clear call microphone
    This pair of headphones offers a clear call microphone, while the average pair of headphones does not. 39% of headphones support noise-canceling microphones.
  • In-line controls
    This pair of headphones includes in-line controls, the average pair of headphones does not. 36.6% of headphones support in-line controls.
  • Quick mic mute
    This pair of headphones includes a quick mic mute, the average pair of headphones does not. 29.3% of headphones support a mute function.
  • 31 mm smaller driver size
    This pair of headphones 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
    This pair of headphones has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
  • Fixed cable
    This pair of headphones 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
    This pair of headphones 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
    This pair of headphones 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 vs 5.9).
    1 vs 5.87
  • 2.5 dB looser channel balance
    This pair of headphones 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
  • 6.8% worse value for money
    Klim Fusion C has worse value for money than the average pair of headphones (6.81 vs 7.3).
    6.81 vs 7.27
  • 5.87x less popular
    Klim Fusion C is less popular than the average pair of headphones (1 vs 5.9).
    1 vs 5.87
  • 6.8% worse value for money
    Klim Fusion C has worse value for money than the average pair of headphones (6.81 vs 7.3).
    6.81 vs 7.27
  • Non-replaceable earpads
    This pair of headphones has non-replaceable earpads, while the average pair of headphones has replaceable ones. 75.6% of headphones have replaceable earpads.
  • Fixed cable
    This pair of headphones 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
    This pair of headphones 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
  • 4 dB/mW lower sensitivity
    This pair of headphones 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
  • 2.5 dB looser channel balance
    This pair of headphones 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
  • No neodymium magnet
    This pair of headphones does not use neodymium magnets, the average pair of headphones does. 81.9% of headphones use neodymium magnets.
  • 25 dB lower max SPL
    This pair of headphones 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.
    85 dB vs 110 dB
  • 5 dB SPL lower sound pressure level
    This pair of headphones 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.
    98 dB SPL vs 103 dB SPL
  • No battery indicator
    This pair of headphones 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
    This pair of headphones was released earlier than the average pair of headphones (2010 vs 2016). The average headphones were released in 2016.
    2010 vs 2016

Expert reviews

In-depth analysis and verdict from leading tech publications

G
gbatemp.net
16/03/2019
Summary of the review
Klim Fusion Earphones Review (Hardware)

Third-party reviews

Based on ratings from across the web.
Reviews last updated: November 2026 · How we calculate this

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 don't like 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

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.

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