Name: Jays T Jays Four
Brand: Jays

Technical Specifications of Jays T Jays Four

Overall score

4.8

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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

4.3

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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

Calls & Controls

6.4

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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

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

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

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

Features

4.1

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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

Battery

1.0

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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

Design

8.3

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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

Jays

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

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

Jays T Jays Four vs the average headphone

Why is Jays T Jays Four better than the average headphone?

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95.4% lower weight
Jays T Jays Four is lighter than the average headphone (10 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
Jays T Jays Four is lighter than the average headphone (10 g vs 218 g). The average pair of headphones weighs 218 g.10 g vs 218 g
Direct 3.5 mm plug
Jays T Jays Four 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
Jays T Jays Four includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
In-line controls
Jays T Jays Four includes in-line controls, the average headphone does not. 36.4% 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
Jays T Jays Four includes in-line controls, the average headphone does not. 36.4% of headphones support in-line controls.
5,000 Hz higher treble extension
Jays T Jays Four has a higher highest frequency than the average headphone (25,000 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
Jays T Jays Four has a higher highest frequency than the average headphone (25,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.25000 Hz vs 20000 Hz
3 Hz lower bass extension
Jays T Jays Four has a lower lowest frequency than the average headphone (15 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
Jays T Jays Four has a lower lowest frequency than the average headphone (15 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.15 Hz vs 18 Hz
95.4% lower weight
Jays T Jays Four is lighter than the average headphone (10 g vs 218 g). The average pair of headphones weighs 218 g.
5,000 Hz higher treble extension
Jays T Jays Four has a higher highest frequency than the average headphone (25,000 Hz vs 20,000 Hz). The average headphones reach a highest frequency of 20,000 Hz.
3 Hz lower bass extension
Jays T Jays Four has a lower lowest frequency than the average headphone (15 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
Direct 3.5 mm plug
Jays T Jays Four includes a direct 3.5 mm plug, the average headphone does not. 38.8% of headphones have a 3.5 mm male connector.
In-line controls
Jays T Jays Four includes in-line controls, the average headphone does not. 36.4% of headphones support in-line controls.

Why is Jays T Jays Four worse than the average headphone?

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Fixed cable
Jays T Jays Four has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
30 mm smaller driver size
Jays T Jays Four has smaller driver size than the average headphone (10 mm vs 40 mm). The average headphones use a driver size of 40 mm.
4 dB/mW lower sensitivity
Jays T Jays Four has a lower sensitivity than the average headphone (98 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.
5 dB SPL lower sound pressure level
Jays T Jays Four has a lower sound pressure level than the average headphone (98 dB SPL vs 103 dB SPL). The average headphones reach a sound pressure level of 103 dB SPL.
6 years older release date
Jays T Jays Four was released earlier than the average headphone (2,011 vs 2,017). The average headphones were released in 2,017.
November 2011
30 mm smaller driver size
Jays T Jays Four has smaller driver size than the average headphone (10 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: MEDIUM
Jays T Jays Four has smaller driver size than the average headphone (10 mm vs 40 mm). The average headphones use a driver size of 40 mm.10 mm vs 40 mm
Fixed cable
Jays T Jays Four 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
Jays T Jays Four has a fixed cable, while the average headphone has a detachable one. 62% of headphones have a detachable cable.
4 dB/mW lower sensitivity
Jays T Jays Four has a lower sensitivity than the average headphone (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
Jays T Jays Four has a lower sensitivity than the average headphone (98 dB/mW vs 102 dB/mW). The average headphones have sensitivity of 102 dB/mW.98 dB/mW vs 102 dB/mW
43.8% lower user score
Jays T Jays Four has a lower user score than the average headphone (5.56 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.
Jays T Jays Four has a lower user score than the average headphone (5.56 vs 8.000).5.56 vs 8
6 years older release date
Jays T Jays Four was released earlier than the average headphone (2,011 vs 2,017). The average headphones were released in 2,017.
November 2011
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
Jays T Jays Four was released earlier than the average headphone (2,011 vs 2,017). The average headphones were released in 2,017.2011 vs 2017
5.4% worse value for money
Jays T Jays Four has worse value for money than the average headphone (6.39 vs 6.736).
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.
Jays T Jays Four has worse value for money than the average headphone (6.39 vs 6.736).6.39 vs 6.74
5 dB SPL lower sound pressure level
Jays T Jays Four has a lower sound pressure level than the average headphone (98 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
Jays T Jays Four has a lower sound pressure level than the average headphone (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

Third-party reviews

United Kingdom

3.3

45 Reviews

United States

(Reviews last updated: June 2026)

What customers like about Jays T Jays Four?

Powerful and punchy bass performance, especially well-suited for hip-hop and electronic music
Brilliant and clear upper registers/highs without being harsh or sibilant
High-quality, durable design with an executive aesthetic
Excellent in-line remote and microphone clarity for calls on iOS devices
Effective tangle-resistant flat cable design
Comes with a good variety of silicone ear tip sizes (up to 5 pairs) for custom fit

What customers dislike about Jays T Jays Four?

Fit and comfort can be problematic due to the large, non-standard earbud housing
Mid-range can sometimes sound slightly flat, anemic, or lacking in detail/color
Cable design features an annoying junction box that can dangle awkwardly
Noise isolation is only average compared to other in-ear monitors in its class
The main cable without the extension is considered too short by some users
Requires careful positioning in the ear to achieve the best sound quality and bass response

Expert reviews

hardwarezone.com.sg

21/12/2012

Jays t-Jays Four - Good Bass with a Natural Tone

The HardwareZone Singapore review of the Swedish Jays t-Jays Four earphones highlights a product engineered specifically for Apple iPhone integration, distinguished by its 10mm dynamic drivers and rear-facing vented bass ports. The primary pros of these earphones include an excellent low-frequency performance that easily handles bass-heavy tracks like dubstep, a high-quality...Read more

digitaltrends.com

23/08/2019

Jays T-Jays 4 Review

The Jays t-Jays Four in-ear headphones strike a solid balance between affordability and sound quality, though they come with design quirks. Priced just below $130, they feature an all-black matte plastic design with flat extension plates for an extra snug ear fit and a 3-button iOS control microphone. On the positive side, these earbuds excel at delivering a powerful, thunderous...Read more

trustedreviews.com

07/02/2012

Jays t-JAYS Four Review

The Trusted Reviews evaluation of the Jays t-JAYS Four highlights a lightweight, comfortable, and aesthetically pleasing design paired with a detailed, clear sound featuring a generous, warm, and non-boomy bass. However, the review notes significant drawbacks, including an annoying cable extension junction box, a lack of mid-range texture and vocal presence, and poor ambient noise...Read more

techrepublic.com

18/01/2012

Three tech toys useful for personal, work trips (review) Do you need technical specifications or user comparisons for the Jays T-Jays Four against oth...

Rachel King's TechRepublic review features the a-Jays One+ headphones, highlighting their universal, one-button compatibility with Android, BlackBerry, and iOS devices for travelers. Pros include this broad platform support, allowing for easy, on-the-go media control across diverse devices. TechRepublicConversely, the review notes the sound quality is merely standard rather than...Read more

theheadphonelist.com

05/06/2013

JAYS t-JAYS Three / t-JAYS Four Review

The JAYS t-JAYS Three and Four are ergonomically designed, mid-range dynamic in-ear monitors (IEMs) from Swedish audio house JAYS that offer a warm, slightly dark, and mainstream sound signature. Equipped with large drivers, they deliver deep, powerful, and voluminous low-end bass that maintains solid control and clarity without overwhelming the midrange. The full and smooth...Read more

unbox.ph

18/03/2012

t-Jays Four Review

The t-Jays Four in-ear headphones are designed for Apple devices, offering superb sound quality, a sleek aesthetic, clear microphone reception, and durable, tangle-free cables. The review highlights the easy-to-use inline remote as a key functional strength, making them a premium choice. However, limitations include a slightly lacking bass response and potential discomfort during...Read more

audiophilestyle.com

25/11/2012

t-Jays Four IEM with Jays Curves (Dirac DSP) app review Would you like to see a comparison of how the t-JAYS Four stacks up against the a-JAYS Four mo...

The t-JAYS Four IEM, combined with the Jays Curves Dirac DSP app, offers a transformed audio experience by optimizing frequency and impulse responses to create a balanced, clear soundstage. The hardware features a robust build and comfortable fit for extended listening, with the DSP significantly improving sonic performance. However, the system is constrained by a closed-app...Read more

headfonia.com

09/12/2011

T-JAYS: Swedish Music Loving Earphones?

The Headfonia review highlights the Swedish-designed t-JAYS series for its innovative "Slimline" design, offering high wear comfort with a small, versatile casing that can be worn traditionally or over-the-ear. The earphones feature a practical two-part cable system for flexible length, although a key drawback is the lack of a protective carrying pouch. Acoustically, the entry-level...Read more

mac4ever.com

06/06/2012

Express Test: t-JAYS Four, the iPhone and iPod special in-ear headphones from Jays

The Mac4Ever review highlights the t-JAYS Four as high-quality, iOS-optimized in-ear earphones, praising their precise, dynamic sound with deep bass and balanced mids/trebles. Key pros include an excellent, functional inline remote, a comfortable fit aided by multiple silicone tips, and a versatile 60 cm to 130 cm split-cable system. While audio performance is a standout feature,...Read more

journaldugeek.com

06/05/2013

Review: Jays T-Jays Four - Journal du Geek

The Jays T-Jays Four are high-end, semi-rectangular in-ear headphones priced around €100 that feature a dedicated iPhone remote and microphone. The review praises their excellent, high-quality rigid plastic packaging and a versatile two-part cable system featuring a short main cord and a practical extension cable. In terms of audio performance, they deliver a warm, vibrant, and...Read more

lesnumeriques.com

02/05/2013

t-JAYS Four Review: Jays switches to hands-free kits

The Jays t-Jays Four wired earphones earn a 4 out of 5 rating for delivering a healthy, well-controlled bass boost without overwhelming the mid and high frequencies. Unlike competing products that sacrifice clarity for heavy low-end sound, these earphones maintain a clean, precise, and clear signal with very low distortion levels. Sound staging and instrument placement are handled...Read more

letemsvetemapplem.eu

17/04/2026

a-Jays Four Review: Durable earphones that deliver truly high-quality sound

The a-Jays Four are mid-range in-ear headphones designed primarily for active users and athletes who need a secure fit during extreme movements like running, cycling, or snowboarding. Packaged with four sizes of rubber ear tips, they offer exceptional passive noise isolation that completely blocks out ambient city or transit sounds, even at low volumes. They feature a robust, flat...Read more

tweakers.net

13/03/2012

Tweakers

The Jays a-Jays Four Zwart in-ear headphones are noted for their durable, tangle-free flat cable design and high-quality, solid packaging, which excel in long-term build quality and convenience. Furthermore, the headphones deliver a well-balanced acoustic profile that provides satisfying coverage across both low and high tones. Conversely, the review indicates that the overall sound...Read more

Jays T Jays Four Review | 93 Data compared

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Verdict

Technical Specifications of Jays T Jays Four

Jays T Jays Four vs the average headphone

Why is Jays T Jays Four better than the average headphone?

Why is Jays T Jays Four worse than the average headphone?

Graphic comparison of Jays T Jays Four and

Third-party reviews

What customers like about Jays T Jays Four?

What customers dislike about Jays T Jays Four?

Expert reviews

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