RHA CL750 Review | 93 Data compared

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  • Avg. price: ~£90
  • Form factor: in-ear
  • Connectivity: wired
  • Battery life: N/A hours
  • Active noise cancellation (ANC): no

RHA CL750 review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if 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%

5.0

Technical Score

20.0%

7.3

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%

5.8

Sound

20.0%

2.7

Features

10.0%

8.0

Design

8.0%

6.2

Connectivity

6.0%

1.0

Battery

4.0%

2.2

Calls & Controls

Good
7.3

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%

4.8

Popularity

User score:
United Kingdom
amazon
4.2
(124)
United States
Amazon_logo.png
4.2
(124)

(Reviews last updated: June 2026)

Very good
  • 0.2
    Gaming

    Score components:

    35.0%

    0.0

    Audio latency

    25.0%

    0.0

    Low-latency game mode

    20.0%

    1.0

    Can be used as a headset

    12.0%

    0.0

    Noise-canceling microphone

    8.0%

    0.0

    Battery life

  • 2.0
    Travel

    Score components:

    28.0%

    1.0

    Active noise cancellation (ANC)

    24.0%

    0.0

    Battery life

    18.0%

    9.6

    Weight

    16.0%

    0.0

    Multipoint support

    14.0%

    0.0

    Ambient sound mode

  • 0.2
    Calls

    Score components:

    28.0%

    0.0

    Noise-canceling microphone

    24.0%

    1.0

    Can be used as a headset

    18.0%

    0.0

    Multipoint support

    16.0%

    0.0

    Battery life

    14.0%

    0.0

    Companion app

  • 5.8
    Workout

    Score components:

    28.0%

    9.6

    Weight

    24.0%

    9.0

    Water resistance

    20.0%

    4.0

    IP rating

    16.0%

    0.0

    Battery life

    12.0%

    1.0

    Can be used as a headset

  • rha-cl750
  • rha-cl750
  • rha-cl750
  • rha-cl750
  • rha-cl750
  • rha-cl750
  • rha-cl750
rha-cl750
rha-cl750
rha-cl750
rha-cl750
rha-cl750
rha-cl750
rha-cl750

Best prices in UK

Best rankings

?

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

Verdict

The RHA CL750 is a high-resolution, precision in-ear monitor featuring an ultra-wideband CL Dynamic transducer housed in 303F grade stainless steel Aerophonic enclosures. It delivers a bright, articulate sound signature with an impressive frequency response of 16Hz to 45,000Hz, balanced by a 150-ohm impedance and 89dB sensitivity that primarily targets use with dedicated headphone amplifiers or high-powered DAPs. Main characteristics include its stellar industrial build quality, a 1.35m braided oxygen-free copper (OFC) cable, and an extensive accessory package with 11 pairs of ear tips. Its primary pros are exceptional clarity, durable materials, and a comfortable over-ear fit, though it suffers from being notoriously difficult to drive without an external amp and having a treble-forward profile that some users may find too sharp or peaky.

Technical Specifications of RHA CL750

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%

5.8

Sound

20.0%

2.7

Features

10.0%

8.0

Design

8.0%

6.2

Connectivity

6.0%

1.0

Battery

4.0%

2.2

Calls & Controls

5.0
RHA CL750 has a technical score of 4.99 points, which is higher than that of 52.6% 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%

4.8

Popularity

User score:
United Kingdom
amazon
4.2
(124)
United States
Amazon_logo.png
4.2
(124)

(Reviews last updated: June 2026)

7.3
RHA CL750 has a user score of 7.32 points, which is lower than that of 73.2% 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.
4.8
RHA CL750 has a popularity of 4.8 points, which is higher than 50.6% 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
RHA CL750 has a quality-to-price ratio of 6.8 points, which is higher than 51% 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
RHA CL750 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
RHA CL750 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
RHA CL750 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

16 Hz
RHA CL750 reaches a lowest frequency of 16 Hz, lower lowest frequency than 54.3% of headphones and equal to 4.1% 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

N/A
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

no
RHA CL750 is not headset-ready, while 15.3% is. 84.7% 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

?
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

N/A
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
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
RHA CL750 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
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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

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
RHA CL750 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

no
RHA CL750 does not support voice assistants. 60.9% of headphones support voice assistants.
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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: 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
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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: MEDIUM

RHA
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

35 g
RHA CL750 weighs 35 g, lighter than 82% of headphones and equal to 0.1% 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

RHA CL750 vs the average headphone

  • Hi-Res Audio certification
    RHA CL750 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

    RHA CL750 has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
  • 83.9% lower weight
    RHA CL750 is lighter than the average headphone (35 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

    RHA CL750 is lighter than the average headphone (35 g vs 218 g). The average pair of headphones weighs 218 g.35 g vs 218 g
  • 25,000 Hz higher treble extension
    RHA CL750 has a higher highest frequency than the average headphone (45,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.
    What it is: Highest audio frequency the headphones can reproduce
    When it matters: When treble extension and overall frequency reach matter to you.

    Importance: MEDIUM

    Good value: >=24000 Hz

    RHA CL750 has a higher highest frequency than the average headphone (45,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.45000 Hz vs 20000 Hz
  • Direct 3.5 mm plug
    RHA CL750 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

    RHA CL750 includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
  • 83.9% lower weight
    RHA CL750 is lighter than the average headphone (35 g vs 218 g). The average pair of headphones weighs 218 g.
  • Hi-Res Audio certification
    RHA CL750 has Hi-Res Audio certification, the average headphone does not. 22.9% of headphones are Hi-Res Audio certified.
  • 25,000 Hz higher treble extension
    RHA CL750 has a higher highest frequency than the average headphone (45,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.
  • Direct 3.5 mm plug
    RHA CL750 includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
  • Fixed cable
    RHA CL750 has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
  • 13 dB/mW lower sensitivity
    RHA CL750 has a lower sensitivity than the average headphone (89 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
  • 14 dB SPL lower sound pressure level
    RHA CL750 has a lower sound pressure level than the average headphone (89 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
  • Not headset-ready
    RHA CL750 is not headset-ready, while the average headphone is. 84.7% of headphones can be used as headsets.
  • No voice assistant support
    RHA CL750 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
  • No voice assistant support
    RHA CL750 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
    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

    RHA CL750 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
  • 13 dB/mW lower sensitivity
    RHA CL750 has a lower sensitivity than the average headphone (89 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

    RHA CL750 has a lower sensitivity than the average headphone (89 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.89 dB/mW vs 102 dB/mW
  • Fixed cable
    RHA CL750 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

    RHA CL750 has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
  • Not headset-ready
    RHA CL750 is not headset-ready, while the average headphone is. 84.7% 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: MEDIUM

    RHA CL750 is not headset-ready, while the average headphone is. 84.7% of headphones can be used as headsets.
  • 14 dB SPL lower sound pressure level
    RHA CL750 has a lower sound pressure level than the average headphone (89 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

    RHA CL750 has a lower sound pressure level than the average headphone (89 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.89 dB SPL vs 103 dB SPL
  • 9.3% lower user score
    RHA CL750 has a lower user score than the average headphone (7.32 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.
    RHA CL750 has a lower user score than the average headphone (7.32 vs 8.000).7.32 vs 8

Graphic comparison of RHA CL750 and

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Third-party reviews

United Kingdom
United States

(Reviews last updated: June 2026)

What customers like about RHA CL750?

  • Exceptional build quality with 303F stainless steel housings
  • Stellar clarity and high-frequency detail retrieval
  • Generous accessory bundle including 12 pairs of ear tips and a carrying case
  • Durable, high-quality braided Oxygen Free Copper (OFC) cable
  • Comfortable Aerophonic design with moldable over-ear hooks
  • Excellent 3-year manufacturer warranty
  • Rich and accurate low-end response when properly powered

What customers dislike about RHA CL750?

  • High impedance (150 Ohms) makes them difficult to drive without a dedicated amplifier
  • Treble can be overly bright, sharp, or sibilant on certain recordings
  • Cable is hard-wired and not user-replaceable
  • Lacks an inline remote and microphone for mobile use
  • Soundstage is often described as average or intimate rather than expansive
  • Recessed upper midrange can sometimes make vocals feel distant

Expert reviews

A
au.pcmag.com
11/01/2017

The RHA CL750 wired in-ear headphones deliver an exceptional, high-quality audio experience featuring rich, accurate lows and superb high-frequency clarity. Priced at $139.95, they earned an Editors' Choice award for providing a level of performance that rivals much more expensive competitor models. The physical design is highly durable, boasting stainless steel driver enclosures...Read more

H
headphonecheck.com
01/02/2019

The RHA CL750 is an audiophile-grade, closed-back in-ear headphone featuring a durable stainless steel build, a 1.5-meter twisted connection cable, and a proprietary CL Dynamic ultra-wideband transducer. Priced just under 130 euros with a three-year warranty, it prioritizes pure music enjoyment, omitting smartphone-centric features like an inline remote, volume controls, or a...Read more

P
pcmag.com
10/01/2017

The PCMag review highlights the $139.95 RHA CL750 wired earphones as an Editors' Choice, offering audiophile-grade audio with rich, accurate lows and crystal-clear high-frequency definition. Praised for a balanced sound, exceptional comfort, and a generous inclusion of twelve pairs of eartips, the earphones deliver high-fidelity performance without muddiness. However, the earphones...Read more

H
head-fi.org
25/08/2016

The RHA CL750 in-ear monitors are lauded in Head-Fi reviews for their durable stainless steel construction, 3-year warranty, and an energetic, well-controlled sound signature suitable for various genres at a $139.95 price point. Key pros include the lack of microphonics, a generous accessory package, and a detailed treble that avoids harshness. Conversely, the IEMs present...Read more

G
gamespace.com
26/10/2018

The RHA CL750 in-ear headphones deliver exceptional, audiophile-grade build quality and performance that punch far above their $139.99 MSRP (and even lower Amazon pricing). The design boasts highly durable, stainless steel Aerophonic housings and a premium 1.35-meter braided Oxygen Free Copper (OFC) cable encased in translucent TPE to maximize longevity and prevent signal...Read more

F
firstpost.com
15/05/2018

The RHA CL750 is a premium pair of stainless-steel, over-the-ear earphones manufactured by a specialist Scottish audio company, tailored specifically for audiophiles. Boasting an impressive build and design rating of 9/10, the package includes an extensive selection of accessories, including seven pairs of silicone ear tips, two pairs of Comply foam tips, a protective case, and a...Read more

H
headfonics.com
29/03/2017

The Headfonics review highlights the RHA CL750 as a niche, high-value IEM featuring exceptional build quality with stainless steel housings, a durable braided cable, and a clean, detailed U-shaped sound signature suitable for audiophiles. While comfortable and affordable, the, it requires dedicated amplification due to its low 89dB efficiency and high 150-ohm impedance, making it...Read more

U
uk.pcmag.com
10/01/2017

The RHA CL750 wired in-ear headphones deliver exceptional, high-quality audio performance characterized by rich, accurate bass depth and outstanding high-frequency clarity. Priced at $139.95, these headphones feature durable, stainless steel enclosures housing "ultra wideband" dynamic drivers with a broad 16Hz–45kHz frequency range. They boast an eye-catching, braided oxygen-free...Read more

H
headphonecheck.com
01/02/2019

The RHA CL750 is a premium, audiophile-grade pair of closed-back in-ear headphones explicitly designed to be powered by a dedicated stable or mobile amplifier rather than standard smartphones. Priced just under 130 euros and backed by a generous three-year manufacturer's warranty, these earphones boast exemplary build quality with stainless steel earphones, plugs, and center pieces....Read more

M
musicalhead.de
12/03/2017

The RHA CL1 and CL750 in-ear monitors, evaluated alongside the companion RHA L1 DAC/amplifier, deliver exceptional high-end audio performance that punches far above their price points. The flagship CL1 utilizes a unique dual-driver configuration—combining a dynamic wideband driver with a piezoelectric ceramic plate transducer—housed in a resonance-resistant ceramic casing. When...Read more

K
kopfhoerer.de
18/05/2018

The RHA CL750 is a premium, audiophile-focused in-ear monitor priced at around €130 that offers stellar build quality and an impressive 3-year manufacturer warranty. Reviewers from kopfhoerer.de heavily praise its mdf-grade stainless steel ear pieces, an ultra-wideband CL Dynamic transducer, and a robust 1.5-meter transparent braided cable that resists tangles. Designed purely for...Read more

L
lecafedugeek.fr
10/09/2016

The RHA T20i is a premium pair of high-resolution in-ear monitors manufactured by the Scottish company RHA, designed to comply with Japan Audio Society high-res standards. The standout feature of these earphones is their revolutionary DualCoil electrodynamic speaker technology, which utilizes an extra voice coil within an annular magnet to handle different frequency ranges...Read more

E
ericboisseau.com
20/05/2018

The RHA CL750 review on Eric's Blog highlights these high-fidelity in-ear headphones as specialist gear specifically engineered for use with a dedicated headphone amplifier or DAC. Tested alongside an Audioengine D1 DAC, the reviewer specifically praises the earphones for delivering an exceptionally clear, spacious, and well-ventilated soundstage. A major highlight of the product is...Read more

Video reviews

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