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Tronsmart KH01 Review | 93 Data compared

Avg. price: ~£20
Form factor: over-ear
Connectivity: wired
Battery life: N/A hours
Active noise cancellation (ANC): no

Tronsmart KH01 review. Compare 93 technical specifications and user reviews to see how it ranks among headphones and if it is worth buying.

5.4

Good

4.3

Poor

9.4

Exceptional

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
1.4
Travel
Score components:
28.0%
1.0
Active noise cancellation (ANC)
24.0%
0.0
Battery life
18.0%
6.4
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
2.9
Workout
Score components:
28.0%
6.4
Weight
24.0%
1.0
Water resistance
20.0%
4.0
IP rating
16.0%
0.0
Battery life
12.0%
1.0
Can be used as a headset

Best prices in UK

Best rankings

#317 in Best Wired Headphones
#546 in Best Over Ear Headphones

Verdict

The Tronsmart KH01 is a pair of wired, over-ear headphones specifically designed for children, featuring custom-made 40mm drivers and a 3.5mm jack for universal compatibility with tablets, laptops, and consoles. Its primary characteristic is a built-in volume limiter that allows parents to switch between 85dB and 93dB modes to protect hearing while remaining audible in noisy environments like airplanes. Main pros include a durable, bendable headband, a 3.94ft tangle-resistant nylon-braided cable, and a space-saving foldable design paired with breathable protein leather earpads for long-term comfort. However, notable cons include the lack of a built-in microphone for calls and its strictly wired connectivity, which may require an adapter for newer devices without a headphone jack.

Technical Specifications of Tronsmart KH01

Overall score

5.4

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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.

Sound

4.4

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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

Driver type

What it is: Type of speaker driver technology used

When it matters: When the underlying sound character and driver technology matter to you.

Importance: MEDIUM

dynamic

Driver size

What it is: Diameter of the speaker driver unit

When it matters: When you want extra hardware context behind how the headphones may handle bass weight, scale, or overall presentation.

Importance: MEDIUM

Number of drivers

What it is: Total number of speaker drivers per earcup

When it matters: When multi-driver designs are part of your buying criteria.

Importance: LOW

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

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Calls & Controls

1.7

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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: 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

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

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Connectivity

6.2

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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: HIGH

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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Features

2.7

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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

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

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Battery

4.9

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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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Design

6.8

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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

Tronsmart

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

over-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

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

?

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Tronsmart KH01 vs the average headphone

Why is Tronsmart KH01 better than the average headphone?

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Direct 3.5 mm plug
Tronsmart KH01 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
Tronsmart KH01 includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
22% lower weight
Tronsmart KH01 is lighter than the average headphone (170 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
Tronsmart KH01 is lighter than the average headphone (170 g vs 218 g). The average pair of headphones weighs 218 g.170 g vs 218 g
Foldable design
Tronsmart KH01 has a foldable design, the average headphone does not. 61% 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
Tronsmart KH01 has a foldable design, the average headphone does not. 61% of headphones are foldable.
Sidetone support
Tronsmart KH01 supports sidetone, the average headphone does not. 29.7% of headphones support sidetone.
What it is: Lets users hear their own voice during calls
When it matters: When long calls matter and you do not want to sound unnaturally loud in your own ears while speaking.
Importance: LOW
Tronsmart KH01 supports sidetone, the average headphone does not. 29.7% of headphones support sidetone.
Kid-friendly design
Tronsmart KH01 has a kid-friendly design, the average headphone does not. 3.5% of headphones are designed for kids.
What it is: Sized and tuned for children’s use and safety
When it matters: When safer sizing and child-focused tuning are important.
Importance: LOW
Tronsmart KH01 has a kid-friendly design, the average headphone does not. 3.5% of headphones are designed for kids.
4.5x cheaper
Tronsmart KH01 is cheaper than the average headphone (£20 vs £90).
Tronsmart KH01 is cheaper than the average headphone (£20 vs £90).£20 vs £90
18% higher user score
Tronsmart KH01 has a higher user score than the average headphone (9.44 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.
Tronsmart KH01 has a higher user score than the average headphone (9.44 vs 8.000).9.44 vs 8
7 years newer release date
Tronsmart KH01 was released more recently than the average headphone (2,024 vs 2,017). The average headphones were released in 2,017.
June 2024
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
Tronsmart KH01 was released more recently than the average headphone (2,024 vs 2,017). The average headphones were released in 2,017.2024 vs 2017
22% lower weight
Tronsmart KH01 is lighter than the average headphone (170 g vs 218 g). The average pair of headphones weighs 218 g.
Foldable design
Tronsmart KH01 has a foldable design, the average headphone does not. 61% of headphones are foldable.
Kid-friendly design
Tronsmart KH01 has a kid-friendly design, the average headphone does not. 3.5% of headphones are designed for kids.
Direct 3.5 mm plug
Tronsmart KH01 includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
Sidetone support
Tronsmart KH01 supports sidetone, the average headphone does not. 29.7% of headphones support sidetone.
7 years newer release date
Tronsmart KH01 was released more recently than the average headphone (2,024 vs 2,017). The average headphones were released in 2,017.

Calls & Controls

Why is Tronsmart KH01 worse than the average headphone?

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Fixed cable
Tronsmart KH01 has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
No travel bag
Tronsmart KH01 does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.
2.7 % higher distortion
Tronsmart KH01 has a higher total harmonic distortion than the average headphone (3 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
9 dB/mW lower sensitivity
Tronsmart KH01 has a lower sensitivity than the average headphone (93 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
2 Hz weaker bass extension
Tronsmart KH01 has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
No neodymium magnet
Tronsmart KH01 does not use neodymium magnets, the average headphone does. 77.4% of headphones use neodymium magnets.
17 dB lower max SPL
Tronsmart KH01 has a lower max SPL than the average headphone (93 dB vs 110 dB). The average headphones reach a max SPL of 110 dB.
10 dB SPL lower sound pressure level
Tronsmart KH01 has a lower sound pressure level than the average headphone (93 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
Not headset-ready
Tronsmart KH01 is not headset-ready, while the average headphone is. 84.7% of headphones can be used as headsets.
1 fewer microphones
Tronsmart KH01 has fewer microphones than the average headphone (0 vs 1). The average headphones have 1 microphones.
No voice assistant support
Tronsmart KH01 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
2.7 % higher distortion
Tronsmart KH01 has a higher total harmonic distortion than the average headphone (3 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.
What it is: Percentage of harmonic distortion in audio output
When it matters: When cleaner sound reproduction matters at louder volumes.
Importance: LOW
Good value: <=1%
Tronsmart KH01 has a higher total harmonic distortion than the average headphone (3 % vs 0.3 %). The average headphones have total harmonic distortion of 0.3 %.3 % vs 0.3 %
No voice assistant support
Tronsmart KH01 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
Tronsmart KH01 does not support voice assistants, the average headphone does. 60.8% of headphones support voice assistants.
Fixed cable
Tronsmart KH01 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
Tronsmart KH01 has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
9 dB/mW lower sensitivity
Tronsmart KH01 has a lower sensitivity than the average headphone (93 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
Tronsmart KH01 has a lower sensitivity than the average headphone (93 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.93 dB/mW vs 102 dB/mW
Not headset-ready
Tronsmart KH01 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
Tronsmart KH01 is not headset-ready, while the average headphone is. 84.7% of headphones can be used as headsets.
2 Hz weaker bass extension
Tronsmart KH01 has a higher lowest frequency than the average headphone (20 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
Tronsmart KH01 has a higher lowest frequency than the average headphone (20 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.20 Hz vs 18 Hz
1 fewer microphones
Tronsmart KH01 has fewer microphones than the average headphone (0 vs 1). The average headphones have 1 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
Tronsmart KH01 has fewer microphones than the average headphone (0 vs 1). The average headphones have 1 microphones.0 vs 1
No travel bag
Tronsmart KH01 does not include a travel bag, the average headphone does. 65.2% 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
Tronsmart KH01 does not include a travel bag, the average headphone does. 65.2% of headphones include a travel bag.

Calls & Controls

Graphic comparison of Tronsmart KH01 and

Attribute category

Attribute

No results found

Third-party reviews

United Kingdom

United States

(Reviews last updated: June 2026)

What customers like about Tronsmart KH01?

Hearing protection with dual volume limits (85dB and 93dB)
High level of comfort with soft memory foam and protein leather padding
Highly durable and flexible build featuring reinforced metal joints
Compact and foldable design suitable for travel and school use
Excellent value for money and affordable pricing
Tangle-free braided cable with a reinforced 120-degree arc plug
Effective sound quality and isolation for educational purposes

What customers dislike about Tronsmart KH01?

Lack of a built-in microphone for two-way communication
Fixed wired connection (cable is not detachable)
Small earcup size may not fully cover larger ears
Mechanical volume limiter switch can be easily changed by children
Requires an adapter for modern devices lacking a 3.5mm headphone jack
Top headband padding could be softer for some users

Expert reviews

produkt-tests.com

01/06/2024

Tronsmart KH01 Kids Headphones and KH02 Wireless

The Tronsmart KH01 and KH02 headphones are designed specifically for children, featuring kid-friendly vibrant pink and blue aesthetics, flexible, break-resistant headbands, and soft padding on both the headband and earcups for maximum comfort. The KH01 is a wired model connected via a 3.5 mm jack, while the KH02 is a premium wireless variant featuring Bluetooth 5.3, an impressive...Read more

rtl.de

18/08/2024

Tronsmart Kids' Headphones Review: Safe Music Enjoyment for Little Ones?

The RTL.de review of the Tronsmart children’s headphone series highlights a versatile lineup (KH01 wiredGo to product viewer dialog for this item., KH02/KH03 wirelessGo to product viewer dialog for this item.) that prioritizes hearing protection through integrated, albeit bypassable, volume-limiting features. Key advantages include impressive battery life for wireless models and...Read more

faz.net

30/03/2026

The Best Headphones for Kids | Review 04/2026 - FAZ

The Philips TAK4200 is rated as the top choice for kids' headphones due to its outstanding sound quality, robust build, and exceptional comfort for children aged four to seven. It features an un-bypassable volume limitation at 85 decibels to safely protect young ears, alongside an impressive battery life of up to 45 hours. Additional pros include its highly flexible, drop-resistant...Read more

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