Ifrogz Earpollution CS40 Review | 93 Data compared

Ifrogz Earpollution CS40 Review | 93 Data compared

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

Ifrogz Earpollution CS40 review. Compare 93 technical specifications and user reviews to see how this product ranks in the Headphones category and whether it is worth buying.

5.8

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%

5.6

Technical Score

20.0%

6.8

User score

Good
5.6

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%

6.3

Sound

20.0%

4.3

Features

10.0%

7.0

Design

8.0%

4.6

Connectivity

6.0%

4.0

Battery

4.0%

4.9

Calls & Controls

Good
6.8

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%

7.3

User reviews

30.0%

5.6

Popularity

User score:
United Kingdom
amazon
3.4
(25)
amazon
3.6
(23)
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3.1
(12)
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4.1
(7)
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4.3
(7)
amazon
4.8
(4)
amazon
3.4
(3)
amazon
3.7
(2)
amazon
5.0
(1)
United States
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3.4
(25)
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3.6
(23)
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3.1
(12)
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4.1
(7)
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4.3
(7)
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4.8
(4)
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3.4
(3)
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3.7
(2)
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5.0
(1)

(Reviews last updated: June 2026)

Good
  • 5.7
    Gaming

    Score components:

    35.0%

    ?

    Audio latency

    25.0%

    4.0

    Low-latency game mode

    20.0%

    4.0

    Can be used as a headset

    12.0%

    4.0

    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

  • 4.6
    Calls

    Score components:

    28.0%

    4.0

    Noise-canceling microphone

    24.0%

    4.0

    Can be used as a headset

    18.0%

    4.0

    Multipoint support

    16.0%

    ?

    Battery life

    14.0%

    4.0

    Companion app

  • 6.6
    Workout

    Score components:

    28.0%

    ?

    Weight

    24.0%

    4.0

    Water resistance

    20.0%

    ?

    IP rating

    16.0%

    ?

    Battery life

    12.0%

    4.0

    Can be used as a headset

  • ifrogz-earpollution-cs40
ifrogz-earpollution-cs40

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Best rankings

?

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

Verdict

The iFrogz EarPollution CS40 is a lightweight, foldable on-ear headphone from the Comfort Series, featuring 40mm speaker drivers, a frequency response of 30Hz–20kHz, and an impedance of 32 ohms. Designed for portability and style, these wired headphones include AeroFoam ear cushions for enhanced comfort, a 1.6m tangle-free cable, and a 3.5mm jack with a high sensitivity of up to 120dB. Main pros include its highly cushioned fit, compact collapsible design, and strong bass production for the price point. However, notable cons include recessed mids that can sound slightly muddy and highs that lack crispness and clarity.

Technical Specifications of pair of headphones Ifrogz Earpollution CS40

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%

6.3

Sound

20.0%

4.3

Features

10.0%

7.0

Design

8.0%

4.6

Connectivity

6.0%

4.0

Battery

4.0%

4.9

Calls & Controls

5.6
Ifrogz Earpollution CS40 has a technical score of 5.62 points, which is lower than that of 67.5% 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%

7.3

User reviews

30.0%

5.6

Popularity

User score:
United Kingdom
amazon
3.4
(25)
amazon
3.6
(23)
amazon
3.1
(12)
amazon
4.1
(7)
amazon
4.3
(7)
amazon
4.8
(4)
amazon
3.4
(3)
amazon
3.7
(2)
amazon
5.0
(1)
United States
Amazon_logo.png
3.4
(25)
Amazon_logo.png
3.6
(23)
Amazon_logo.png
3.1
(12)
Amazon_logo.png
4.1
(7)
Amazon_logo.png
4.3
(7)
Amazon_logo.png
4.8
(4)
Amazon_logo.png
3.4
(3)
Amazon_logo.png
3.7
(2)
Amazon_logo.png
5.0
(1)

(Reviews last updated: June 2026)

6.8
Ifrogz Earpollution CS40 has a user score of 6.76 points, which is lower than that of 89.7% 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.
5.6
Ifrogz Earpollution CS40 has a popularity of 5.6 points, which is lower than 52.4% 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%

5.8

Overall score

40.0%

10

Price

7.1
Ifrogz Earpollution CS40 has a quality-to-price ratio of 7.1 points, which is lower than 60% 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
Ifrogz Earpollution CS40 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

40 mm
Ifrogz Earpollution CS40 uses a driver size of 40 mm, larger driver size than 28.6% of headphones and equal to 53.3% 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
Ifrogz Earpollution CS40 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

30 Hz
Ifrogz Earpollution CS40 reaches a lowest frequency of 30 Hz, higher lowest frequency than 98.9% of headphones and equal to 0.4% of headphones.
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Noise-canceling microphone
What it is: Built-in microphone reduces background noise during calls
When it matters: When you take calls in busy spaces and want your voice to stay clearer.

Importance: LOW

no
Ifrogz Earpollution CS40 does not support a noise-canceling microphone. 39% 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

no
Ifrogz Earpollution CS40 is not headset-ready, while 15.1% is. 84.9% 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
Ifrogz Earpollution CS40 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
Ifrogz Earpollution CS40 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

N/A
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Connectivity
What it is: Available connection methods (wired, wireless, Bluetooth, etc.)
When it matters: When the headphones need to match how you listen across wired and wireless devices.

Importance: LOW

wired
Ifrogz Earpollution CS40 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

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: LOW

no
Ifrogz Earpollution CS40 does not support multipoint. 30.6% of headphones support multipoint.
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Ambient sound mode
What it is: Allows external sounds to pass through for awareness
When it matters: When you need to stay aware of traffic, voices, or announcements.

Importance: MEDIUM

no
Ifrogz Earpollution CS40 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
Ifrogz Earpollution CS40 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
Ifrogz Earpollution CS40 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

?
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Battery life
What it is: Playback time on a single charge
When it matters: When you commute, travel, or work long shifts and do not want charging breaks to interrupt listening.

Importance: 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
Ifrogz Earpollution CS40 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
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Brand name
What it is: The manufacturer or brand of the product.
When it matters: When you prefer a specific ecosystem, support network, or design philosophy.

Importance: LOW

Ifrogz
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

on-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

181 g
Ifrogz Earpollution CS40 weighs 181 g, lighter than 61.3% of headphones and equal to 0.3% 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: 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

?
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Ifrogz Earpollution CS40 vs the average pair of headphones

  • 18 dB/mW higher sensitivity
    Ifrogz Earpollution CS40 has a higher sensitivity than the average pair of headphones (120 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

    Ifrogz Earpollution CS40 has a higher sensitivity than the average pair of headphones (120 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.120 dB/mW vs 102 dB/mW
  • Direct 3.5 mm plug
    Ifrogz Earpollution CS40 includes a direct 3.5 mm plug, the average pair of headphones does not. 39.8% 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: LOW

    Ifrogz Earpollution CS40 includes a direct 3.5 mm plug, the average pair of headphones does not. 39.8% of headphones have a 3.5 mm male connector.
  • In-line controls
    Ifrogz Earpollution CS40 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

    Ifrogz Earpollution CS40 includes in-line controls, the average pair of headphones does not. 36.6% of headphones support in-line controls.
  • Foldable design
    Ifrogz Earpollution CS40 has a foldable design, the average pair of headphones does not. 48.3% of headphones are foldable.
    What it is: Earcups or headband can fold for compact storage
    When it matters: When you travel often and want easier storage in a bag.

    Importance: LOW

    Ifrogz Earpollution CS40 has a foldable design, the average pair of headphones does not. 48.3% of headphones are foldable.
  • 17% lower weight
    Ifrogz Earpollution CS40 is lighter than the average pair of headphones (181 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

    Ifrogz Earpollution CS40 is lighter than the average pair of headphones (181 g vs 218 g). The average pair of headphones weighs 218 g.181 g vs 218 g
  • 13 dB SPL higher sound pressure level
    Ifrogz Earpollution CS40 has a higher sound pressure level than the average pair of headphones (116 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
    What it is: Output loudness level of the headphones, usually measured in dB. It helps compare how loud a model can play under similar conditions.
    When it matters: When you need a rough idea of how loud the headphones can get before you pair them with a weaker source.

    Importance: LOW

    Good value: >=108 dB SPL

    Ifrogz Earpollution CS40 has a higher sound pressure level than the average pair of headphones (116 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.116 dB SPL vs 103 dB SPL
  • Foldable design
    Ifrogz Earpollution CS40 has a foldable design, the average pair of headphones does not. 48.3% of headphones are foldable.
  • 17% lower weight
    Ifrogz Earpollution CS40 is lighter than the average pair of headphones (181 g vs 218 g). The average pair of headphones weighs 218 g.
  • 18 dB/mW higher sensitivity
    Ifrogz Earpollution CS40 has a higher sensitivity than the average pair of headphones (120 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
  • 13 dB SPL higher sound pressure level
    Ifrogz Earpollution CS40 has a higher sound pressure level than the average pair of headphones (116 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
  • Direct 3.5 mm plug
    Ifrogz Earpollution CS40 includes a direct 3.5 mm plug, the average pair of headphones does not. 39.8% of headphones have a 3.5 mm male connector.
  • In-line controls
    Ifrogz Earpollution CS40 includes in-line controls, the average pair of headphones does not. 36.6% of headphones support in-line controls.
  • Fixed cable
    Ifrogz Earpollution CS40 has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • Tangle-prone cable
    Ifrogz Earpollution CS40 uses a tangle-prone cable, while the average pair of headphones is easier to manage. 64.2% of headphones use a tangle-free cable.
  • No travel bag
    Ifrogz Earpollution CS40 does not include a travel bag, the average pair of headphones does. 65.4% of headphones include a travel bag.
  • 12 Hz weaker bass extension
    Ifrogz Earpollution CS40 has a higher lowest frequency than the average pair of headphones (30 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
  • No battery indicator
    Ifrogz Earpollution CS40 does not show battery level clearly, while the average pair of headphones does. 56.3% of headphones have a battery level indicator.
  • Not headset-ready
    Ifrogz Earpollution CS40 is not headset-ready, while the average pair of headphones is. 84.8% of headphones can be used as headsets.
  • 6 older release date
    Ifrogz Earpollution CS40 was released earlier than the average pair of headphones (2010 vs 2016). The average headphones were released in 2016.
    June 2010
  • Fixed cable
    Ifrogz Earpollution CS40 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

    Ifrogz Earpollution CS40 has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • 12 Hz weaker bass extension
    Ifrogz Earpollution CS40 has a higher lowest frequency than the average pair of headphones (30 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

    Ifrogz Earpollution CS40 has a higher lowest frequency than the average pair of headphones (30 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.30 Hz vs 18 Hz
  • Not headset-ready
    Ifrogz Earpollution CS40 is not headset-ready, while the average pair of headphones is. 84.8% of headphones can be used as headsets.
    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

    Ifrogz Earpollution CS40 is not headset-ready, while the average pair of headphones is. 84.8% of headphones can be used as headsets.
  • No battery indicator
    Ifrogz Earpollution CS40 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

    Ifrogz Earpollution CS40 does not show battery level clearly, while the average pair of headphones does. 56.3% of headphones have a battery level indicator.
  • 18.4% lower user score
    Ifrogz Earpollution CS40 has a lower user score than the average pair of headphones (6.76 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.
    Ifrogz Earpollution CS40 has a lower user score than the average pair of headphones (6.76 vs 8.000).6.76 vs 8
  • Tangle-prone cable
    Ifrogz Earpollution CS40 uses a tangle-prone cable, while the average pair of headphones is easier to manage. 64.2% of headphones use a tangle-free cable.
    What it is: Cable designed to resist tangling
    When it matters: When you often carry wired headphones in a bag or pocket.

    Importance: LOW

    Ifrogz Earpollution CS40 uses a tangle-prone cable, while the average pair of headphones is easier to manage. 64.2% of headphones use a tangle-free cable.
  • No travel bag
    Ifrogz Earpollution CS40 does not include a travel bag, the average pair of headphones does. 65.4% of headphones include a travel bag.
    What it is: Comes with a protective carrying case or pouch
    When it matters: When protection in transit matters right out of the box.

    Importance: LOW

    Ifrogz Earpollution CS40 does not include a travel bag, the average pair of headphones does. 65.4% of headphones include a travel bag.
  • 6 older release date
    Ifrogz Earpollution CS40 was released earlier than the average pair of headphones (2010 vs 2016). The average headphones were released in 2016.
    June 2010
    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

    Ifrogz Earpollution CS40 was released earlier than the average pair of headphones (2010 vs 2016). The average headphones were released in 2016.2010 vs 2016

Graphic comparison of Ifrogz Earpollution CS40 and other products in the Headphones category

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Third-party reviews

What customers like about Ifrogz Earpollution CS40?

  • Extremely comfortable for long periods due to 'AeroFoam' ear cushions
  • Highly portable with a compact, foldable design
  • Excellent value for the price, often cited as a significant upgrade over stock earbuds
  • Durable, thick cable that resists tangling
  • Effective passive noise isolation that minimizes sound leakage
  • Lightweight build that makes them easy to forget you're wearing

What customers dislike about Ifrogz Earpollution CS40?

  • Muffled or 'veiled' sound quality, with some reviewers describing it as listening through a pillow
  • Audio profile is heavily bass-dominant, which can lead to 'muddy' lows and recessed mids/highs
  • The leather-like ear cup material can get uncomfortably warm in hot weather
  • The hard rubber headband lacks padding and can cause pressure on the top of the head
  • Does not include a carrying case, which is common for headphones in this category

Expert reviews

F
fromvalskitchen.com
20/06/2010
Summary of the review
A
amateurtraveler.com
01/02/2010
Summary of the review
S
skatter.com
14/01/2010
Summary of the review
V
valmg.com
20/06/2010
Summary of the review
G
guitarworld.com
15/02/2012
Summary of the review
C
canadianreviewer.com
22/03/2010
Summary of the review
D
digitalreviews.net
06/06/2012
Summary of the review

Video reviews

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