Table of Contents
  1. Intro
  2. Design
    1. Style
    2. Comfort
    3. Controls
    4. Stability
    5. Portability
    6. Case
    7. Build Quality
    8. Cable
    9. Front
    10. Angled
    11. Side
    12. Rear
    13. Top
  3. Sound
    1. Bass
    2. Mid
    3. Treble
    4. Soundstage
    5. Imaging
    6. Total Harmonic Distortion
  4. Isolation
    1. Noise Isolation
    2. Leakage
  5. Active Features
    1. Wireless
    2. Battery
    3. App Support
  6. In the box
  7. Conclusion
  8. Q&A
Reviewed on Jun 20, 2016 , Marc Henney, Jean-Christophe Lamontagne

Jaybird X2
HEADPHONES REVIEW

Usage Ratings
7.4Mixed Usage
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What it is This is the combination of the different use cases to evaluate how versatile the headphones are. Therefore an everyday headphone should be well-rounded enough to adapt to most situations and environments without significant losses in sound quality, design ergonomics or isolation.
Score components:
6.5Critical Listening
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What it is The level of audio fidelity a headphone can reproduce. Therefore a balanced and true representation of bass, mids, treble, soundstage and imaging, as well as a comfortable listening experience, is essential for critical listening.
Score components:
7.6Commute/Travel
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What it is How well the headphones handle the loud environments involved in commuting or traveling. Therefore your listening experience should be comfortable, hassle-free and as isolated from noise as possible.
Score components:
8.0Sports/Fitness
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What it is How well-adapted the headphones are, to use while doing sports or strenuous exercise. Therefore the headphones should not be too cumbersome and deliver a stable and comfortable listening experience.
Score components:
7.8Office
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What it is How well the headphones can deliver a comfortable and isolated listening experience in an office-like environment. They should not leak much and should block the noise of a busy office.
Score components:
Type : In-ear
Enclosure : Closed-Back
Wireless : Yes
Noise-Cancelling : No
Mic : Yes
Transducer : Dynamic

The Jaybird X2 are above-average in-ear headphones with a stable wireless design that's great for sports. They have a decent sound, barely leak, even at high volumes and block ambient noise better than some noise cancelling models. However, the in-ear fit is not comfortable for everyone.

Test Results
Design 7.3
Sound 6.5
Isolation 8.5
Active Features 6.5
Pros
  • Excellent leakage perfomance.
  • Stable in-ear fit.
  • Good noise isolation.
Cons
  • The in-ear fit is uncomfortable for some.

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7.3

Design

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Score components:
Jaybird X2 Design Picture

The Jaybird  X2 are stylish, well-crafted headphones. They're super lightweight and have a wireless design that's stable enough for gym use. They easily fit into your pockets and also come with a sturdy case. Unfortunately, the in-ear design is not for everyone, even with the provided foam tips, that help you find a more comfortable fit. The buttons are also a little too small on the inline controls, which is slightly disappointing.

Style
Jaybird X2 Design Picture 2

The Jaybird X2 are great looking headphones. They have a sleek, sporty style that feels high-end. They come in a variety of color schemes but typically have a bright, two-toned color palette that's eye-catching and adds to the sporty appeal. The in-ear buds are also not much larger than a typical in-ear model, although these headphones are wireless.

6.5 Comfort
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What it is: Adjustability and degrees of freedom, pressure, stiffness and weight.
When it matters: When the headphones are going to be used for long durations.
Score components: Subjectively assigned
Jaybird X2 Comfort Picture
Weight : 0.03 lbs
Clamping Force
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What it is: The force that the headphones exert on your head, once you have them on. This is purely a measurement of the force applied, which does not take into account the earpad's surface area and the resulting pressure you will feel, on or around your ears.
When it matters: The tighter the headphones, the more force they put on your head. This can get uncomfortable or cause pain and soreness during long listening sessions.
:
0 lbs

The X2 have typical in-ear fit. If you do not find in-ear headphones to be comfortable, then you will experience the same issues here. On the upside, they are amazingly lightweight and offer a variety of tips, some made of memory foam, which may help you find a more comfortable fit.

6.5 Controls
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What it is: The control scheme of the headphones; the number of functions provided, button layout and ergonomics as well as the quality of tactile feedback.
When it matters: If you want to control volume, pause your music or make phone calls without directly interacting with, your audio device.
Score components: Subjectively assigned
Jaybird X2 Controls Picture
Call/Music Control : Yes
Volume Control : Yes

The control scheme for these headphones is functional but a little cramped. It offers call/music, track skipping, and volume controls. Unfortunately, the buttons are too small and do not provide good tactile feedback, which makes them slightly difficult to use.

8.0 Stability
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What it is: How the headphones are designed to prevent them from slipping off your ears or falling off your head.
When it matters: If you plan on using the headphones while doing sports or other physical activities that requires a lot of movement.
Score components: Subjectively assigned
Jaybird X2 Stability Picture

The Jaybird X2 are incredibly stable headphones. They stay in place, while doing sports or any physical activity and come with a variety of stability tips. That combined with the tight in-ear fit, makes these headphones ideal for gym use. Their wireless design also makes it less likely that they will be hooked on something and yanked out of your ears.

9.0 Portability
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What it is: The volume of space occupied by the headphones when folded into their most compact format.
When it matters: If you're often on the move and need to carry your headphones in a bag, purse , or pocket.
Score components:
Jaybird X2 Portability Picture
L : 3.15 "
W : 0.79 "
H : 1.57 "
Volume : 3.88 Cu. Inches

These headphones are extremely portable. They will easily fit into your pockets. The ear buds are not much larger than regular in-ear headphones and thanks to their wireless design they fold up into a very compact format for transport.

8.0 Case
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What it is: The provided carrying options to protect your headphones when transporting them.
When it matters: To prevent damaging your headphones, if you often carry them in your bag or pocket.
Score components: Subjectively assigned
Jaybird X2 Case Picture
Type : Hard case
L : 3.15 "
W : 3.15 "
H : 1.57 "
Volume : 15.66 Cu. Inches

These headphones come with a great hard shell case looks stylish and will keep the headphones safe from hard falls and water damage.

7.0 Build Quality
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What it is: Durability; material quality; cheap/expensive feel.
When it matters: When the headphones are going to be used by multiple users (classes/studios), by children, in tough conditions, on a daily basis, or for exercise.
Score components: Subjectively assigned
Jaybird X2 Build Quality Picture

The build quality of Jaybird X2 is above-average. The plastic used for in-ear buds feels robust and able to withstand a decent amount of physical pressure without cracking. They're also very lightweight and dense enough, to not get damaged from a couple of drops. However, the cable connecting the earbuds is a little thin and is slightly more susceptible to wear and tear than some other wireless in-ear headphones.

Cable
Jaybird X2 Cable Picture
Detachable : No

Comes with a USB charging cable.

Front
Angled
Side
Rear
Top
6.5

Sound

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What it is: How accurately the audio is reproduced. The tests are performed with the headphones' most commonly used features enabled (noise-cancelling, wireless, etc.)
Score components:
Jaybird X2 Frequency Response

The Jaybird X2 have a decent sound quality and low harmonic distortion. Their bass packs a decent enough punch, to please fans of bass-heavy music. Lead instruments and vocals sound decent but are a little pushed back in the mix. That combined with the slight emphasis in bass and treble makes them sound exciting but also a little muddy and bright. Sadly, they have a poor soundstage due to their closed back in-ear design and won't be ideal for critical listening.

8.8 Bass
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What it is: Frequency Response from 20Hz-250Hz
When it matters: When the material is heavy on bass frequencies, such as those of kick drums and bass guitar.
Score components:
Jaybird X2 Bass
Std. Err.
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What it is: The amount of deviation (weighted standard error) in bass frequency response (20Hz-250Hz) as compared to a target response that would sound perfectly balanced to most people.
When it matters: When a balanced and neutral (reference) bass performance is desired.
Good value: <4dB
Noticeable difference: 0.1dB
:
2.41 dB
Low-Frequency Extension
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What it is: The lowest frequency at which the frequency response reaches -3dB of the target response.
When it matters: Shows how extended the bass is.
Good value: <40Hz
Noticeable difference: 5Hz
:
10.0 Hz
Low-Bass
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What it is: The average amount of over/under-emphasis in frequency response from 20Hz-60Hz.
When it matters: Kick drums and low frequency effects get their 'thump' from this range. Mostly felt than heard.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
2.86 dB
Bass
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What it is: The average amount of over/under-emphasis in frequency response from 60Hz-120Hz.
When it matters: Melodic bass instruments have most of their fundamental frequencies in this range. This is where the 'body' and 'punch' of the bass sits.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
2.54 dB
High-Bass
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What it is: The average amount of over/under-emphasis in frequency response from 120Hz-250Hz.
When it matters: Most instruments get their warmth and full-ness from this range. When over-emphasized, mixes tend to get muddy and boomy.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
2.16 dB

Very good Bass Range performance. The response is virtually flat through out the range, but consistently overemphasized by about 2dB. This makes the sound of these earphones slightly bass-heavy.

7.7 Mid
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What it is: Frequency Response from 250Hz-2KHz
When it matters: When the material is heavy on mid-range frequencies. This is the case for the majority of audio content.
Score components:
Jaybird X2 Mid
Std. Err.
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What it is: The amount of deviation (weighted standard error) in mid frequency response (250Hz-2.5KHz) as compared to a target response that would sound perfectly balanced to most people.
When it matters: When a balanced and neutral (reference) mid performance is desired.
Good value: <4dB
Noticeable difference: 0.1dB
:
3.08 dB
Low-Mid
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What it is: The average amount of over/under-emphasis in frequency response from 250Hz-500Hz.
When it matters: Most instruments have their fundamentals or low harmonics in this range. Over-emphasis in this range sounds boxy. Under-emphasis, thins out the vocals and lead instruments.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-1.03 dB
Mid
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What it is: The average amount of over/under-emphasis in frequency response from 500Hz-1KHz.
When it matters: This range is occupied mostly by upper harmonics. Over-emphasis sounds forward and honky. Under-emphasis pushes instruments to the back of the mix.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-3.33 dB
High-Mid
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What it is: The average amount of over/under-emphasis in frequency response from 1KHz-2.5KHz.
When it matters: Most instruments, especially vocals, get their intensity and clarity from this range. Over-emphasis sounds harsh, under-emphasis sounds weak and distant.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-3.61 dB

Good Mid Range performance. Unlike the Bass Range, the Mid Range is consistently underemphasized by about 3dB. This pushes vocals and leads to the back of the mix, relative to bass and other low instruments.

7.0 Treble
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What it is: Frequency Response from 2KHz-20KHz
When it matters: When the material is heavy on high-range frequencies, such as voice, cymbals, and any other material where brightness, brilliance and airiness is desired.
Score components:
Jaybird X2 Treble
Std. Err.
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What it is: The amount of deviation (weighted standard error) in treble frequency response (2.5KHz-20KHz) as compared to a target response that would sound perfectly balanced to most people.
When it matters: When a balanced and neutral (reference) treble performance is desired.
Good value: <4dB
Noticeable difference: 0.1dB
:
4.57 dB
Low-Treble
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What it is: The average amount of over/under-emphasis in frequency response from 2.5KHz-5KHz.
When it matters: Almost all instruments rely on this range for their presence, detail, and articulation. Over-emphasis can sound harsh and painful. Under-emphasis hurts the comprehensibility of vocals and lead instruments.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-4.26 dB
Treble
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What it is: The average amount of over/under emphasis in frequency response from 5KHz-10KHz.
When it matters: This is the sibilance range. Cymbals, vocals, and lead instruments rely on this range for brightness and presence. Over-emphasis sounds piercing and painful, under-emphasis sounds dull and lispy.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-0.82 dB
High-Treble
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What it is: The average amount of over/under-emphasis in frequency response from 10KHz-20KHz.
When it matters: This range gives brilliance and airiness to the sound. Over-emphasis sounds hissy, under-emphasis sounds closed-up and lifeless.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
4.72 dB

Average Treble Range. Low-treble is underemphaszied by more than 4dB, which hurts the comprehensibility and presence of vocals/leads. There is a narrow 5dB peak around 8KHz, which could sound sibilant to those with hypertensive ears but the effect is subtle. The two peaks above 10KHz add to the airiness of the sound, however, these frequencies may be too high for some to hear.

1.1 Soundstage
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What it is: Soundstage qualities are not inherent to the audio content, the headphones have to 'create' them rather than 'reproduce' them. They determine whether the sound is perceived to be coming from inside or in front of the head, how open and spacious the soundstage is, how much the headphones acoustically interact with the environment, and how strong the phantom center is.
When it matters: When an accurately produced, large and spacious soundstage, similar to that of a stereo loudspeaker setup is desired.
PRTF Error
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What it is: The average amount of deviation in Pinna-Related Transfer Function of the headphones, compared to that of a loudspeaker. Whether the soundstage is perceived to be unnatural, located inside or in front of the head, is dependent on this quality. The more the headphones activate the HRTF resonances of the ear (similar to what loudspeakers do), the more the soundstage will be pulled out from inside the listener's head. This quality affects both stereo and mono content.
When it matters: When a natural, in-the-front soundstage is desired, similar to that of a loudspeaker.
Good value: <5
Noticeable difference: 0.5
:
12 dB
Openness
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What it is: How open the headphones are, and how open and spacious they sound. This quality affects both stereo and mono content. This test differentiates between acoustically and electronically produced crosstalk and only takes the acoustically generated crosstalk into account. This value is the inverse of the Noise Isolation test score.
When it matters: When an open, wide and roomy sound is desired. A value of 10 indicates a fully open headphone, and a value of 0 indicates a fully closed headphone.
Good value: >7.5
Noticeable difference: 0.5
:
2.0
Acoustic Space Excitation
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What it is: How loud the headphones are, and how much they excite their environment acoustically. If the headphones are loud and open enough, the sound leaking from the headphones takes some of the characteristic of its environment (reflections/reverb) before reflecting back into the open headphones and to the listener's ears. This quality affects both stereo and mono content. This value is the inverse of the Leakage test score.
When it matters: When an open, wide and roomy sound is desired.
Good value: >7.5
Noticeable difference: 0.5
:
0.6
Correlated Crosstalk
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What it is: How strong and solid the phantom center is. This is mostly a stereo quality and its effects on mono content are minimal. This test is sensitive to the phase of the crosstalk and whether it is produced acoustically or electronically.
When it matters: When a true reproduction of the stereo image is desired. A value of 0 indicates no crosstalk, or that the existing crosstalk is not correlated enough to affect the phantom center. A negative score means the crosstalk is out of phase with the original signal, resulting in a slightly wider stereo image at the expense of creating a 'hole' at the center of the stereo field. A positive score means the crosstalk is in phase and positively affecting the phantom center.
Good value: >1dB
Noticeable difference: 0.3dB
:
0.0 dB

Poor soundstage. Due to the in-ear design, these earphones don't active the outer ear resonances, resulting in the soundstage being perceived as artificial or located inside the listener's head. Also, because of the closed back and tight fit, these headphones sound very closed and isolating, hence the poor Openness score.

7.6 Imaging
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What it is: Imaging qualities are inherent to the audio content, the headphones have to 'reproduce' them rather than 'create' them. They determine how accurately the objects are positioned in the stereo image, and how transparent the imaging is.
When it matters: When accurate positioning of the objects in the stereo image, and clear and transparent imaging is desired.
Jaybird X2 Phase Response
Phase Error
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What it is: The average amount of deviation in the phase, from the ideal flat response.
When it matters: When an accurate and transparent imaging is desired.
Good value: <60°
Noticeable difference: 10°
:
46.53 °
Driver Mismatch (Amplitude)
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What it is: The Left/Right balance of our test unit, that is, the amount of amplitude difference between the left and right drivers. This is not a design test, but a marker for manufacturing tolerance and ergonomics.
When it matters: When a properly balanced stereo image and low manufacturing tolerance is desired. A poor score indicates a noticeable difference in level between the left and right drivers.
Good value: <0.3dB
Noticeable difference: 0.1dB
:
0.19 dB
Driver Mismatch (Frequency)
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What it is: The amount of difference (Std. Err.) between the frequency response of the left and right drivers of our test unit. This is not a design test, but a marker for manufacturing tolerance and ergonomics.
When it matters: When an even and stable stereo image, as well as a low manufacturing tolerance, is desired. A poor score indicates there may be 'holes' in the stereo image at certain frequencies.
Good value: <2dB
Noticeable difference: 0.1dB
:
1.24 dB
Driver Mismatch (Phase)
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What it is: The amount of difference (Std. Err.) between the phase response of the left and right drivers of our test unit. This is not a design test, but a marker for manufacturing tolerance and ergonomics.
When it matters: When an even and stable stereo image, as well as a low manufacturing tolerance, is desired. A poor score indicates there may be inaccuracies in the stereo image reproduction at certain frequencies.
Good value: <90°
Noticeable difference: 30°
:
99.57 °

Very good imaging. Phase response quite good, although it could perform better in the Treble Range. Also, our test unit's drivers were quite well matched in terms of amplitude and frequency response. However, the phase responses are a little mismatched, probably due to the wireless design.

8.9 Total Harmonic Distortion
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What it is: The subtle, unwanted frequencies (harmonics) produced alongside the intended frequencies.
When it matters: When clean and pure sound reproduction is desired, though its effect is not as noticable as frequency response.
Score components:
Jaybird X2 Distortion
Weighted THD @ 90
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What it is: The overall amount of harmonic distortion measured at 90dB SPL. To make the score more perceptually relevant, more weight is given to the higher frequencies.
When it matters: How pure the sound is at moderate listening levels.
Good value: <0.100
Noticeable difference: 0.1
:
0.075
Weighted THD @ 100
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What it is: The overall amount of harmonic distortion measured at 100dB SPL. To make the score more perceptually relevant, more weight is given to the higher frequencies.
When it matters: How pure the sound is at loud listening levels.
Good value: <0.300
Noticeable difference: 0.1
:
0.73

Good distortion performance. The overall amount of harmonic distortion is quite low in Bass and Mid regions. However, there are a couple of peaks in the Treble Range which exceed 1% of the input and could be perceived as harsh. At 100db SPL there is a general rise in the amount of harmonic distortion, while remaining within good limits.

8.5

Isolation

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Score components:

The Jaybird X2 only isolate passively. Fortunately, they successfully block a lot of noise from entering your audio. They create a tight seal within the ear canal that barely lets any ambient noise in and stops any sound from escaping. They won't be distracting to the people around you at high volumes, even in quieter environments and will fare well in loud settings like a gym or on a busy commute.

8.0 Noise Isolation
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What it is: How much outside noise is blocked out by putting the headphones on.
When it matters: If the headphones are going to be used in a noisy envinronment (airplane, subway, etc.)
Score components:
Jaybird X2 Noise Isolation
Overall Attenuation
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What it is: The overall amount of environmental noise reduction in dB.
When it matters: In loud envinronments like planes, trains, offices, etc.
Good value: <-20dB
Noticeable difference: 1dB
:
-23.58 dB
Bass
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What it is: The overall amount of noise isolation in the bass range (20Hz-250Hz).
When it matters: When the outside noise is bass-heavy, like in airplanes.
Good value: <-15dB
Noticeable difference: 1dB
:
-9.2 dB
Mid
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What it is: The overall amount of noise isolation in the mid-range (250Hz-2.5KHz).
When it matters: When the environment's noise is mid-heavy, like in an office.
Good value: <-15dB
Noticeable difference: 1dB
:
-22.33 dB
Treble
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What it is: The overall amount of noise isolation in the treble range (2.5KHz-20KHz).
When it matters: When the environment's noise is treble-heavy. Although uncommon, areas with sharp sounds fall under this category.
Good value: <-30dB
Noticeable difference: 1dB
:
-42.38 dB
Self-Noise
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What it is: The amount of noise created by the active electronics of the headphones (if applicable), measured from 200Hz-20KHz. Applies mostly to wireless and noise-cancelling headphones.
When it matters: If too loud, it could become distracting when listening to quiet material like podcasts and audiobooks.
Good value: <18dB
Noticeable difference: 1dB
:
11.21 dB

Good isolation performance, especially considering that these earphones don't have active noise cancelling. They achieve more than 9dB of isolation in the Bass Range, which although below the recommended value, is quite impressive for a passive design. The overall amount of isolation achieved in the Mid and Treble ranges are more than 22dB and 42dB repectively, both values being excellent.

9.4 Leakage
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What it is: The amount of sound bleeding out of the headphones.
When it matters: When the listener doesn't want people around them (in office, recording studio, etc.) to hear what is being listened to.
Score components:
Jaybird X2 Leakage
Overall Leakage @ 1ft
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What it is: The amount of sound leakage heard 1 foot away from the user, while the user is listening to a 100dB SPL signal.
When it matters: When you don't want people hear what you are listening to.
Good value: <35dB
Noticeable difference: 1dB
:
27.11 dB

Excellent leakage. Not only the overall level of the leakage is quite low, but the range is quite narrow too, limited to 3KHz-6KHz. This results in a leakage that is barely noticeable, even at high volumes.

6.5

Active Features

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What it is: Headphones with active components that require a battery. This includes noise cancelling and wireless headphones that actively reduce noise or transmit audio via a wireless connection.
When it matters: How suitable the power and wireless specifications of an active headphone will be, depending on your listening habits. The range and/or discharge time of the active headphone you select will be important if you're often on the move or have long uninterrupted listening sessions.
Score components:

The X2 have a surprisingly great wireless range for a wireless in-ear headphone they also don't have much latency despite using an older Bluetooth 2.1+EDR connection. They won't be the best for watching movies or playing video games, but they perform well above average for wireless latency without the aptX codec. However, they have a mediocre battery life performance. They last longer than most wireless in-ears but not long enough to continuously listen to audio throughout the day. They also do not have any power saving features.

7.6 Wireless
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What it is: Headphones that offer a cable-free listening experience over a wireless network, typically via Bluetooth or radio frequency.
When it matters: If you don't want to be limited by the length of an audio cable. This means having the freedom to move around in your home or office with a much greater range than an audio cable could provide, especially, if the Bluetooth source is heavy or difficult to carry.
Type
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What it is: The type and version of the wireless network, the headphones use to connect to the audio source. This could either be Bluetooth or radio frequency.
When it matters: The Bluetooth version will determine how compatible the headphones are with your Bluetooth enabled devices. Typically, newer Bluetooth versions are backward compatible with older ones but may lack the additional features that more recent Bluetooth protocols provide.
:
Bluetooth 2.1+EDR
SBC Latency
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What it is: The latency for the default sub-band coding of most Bluetooth headphones.
When it matters: When watching videos a high latency can cause sync issues between the images you see and the audio you hear.
Good value: 170ms or less
Noticeable difference: 15ms
:
114 ms
aptX Latency
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What it is: An audio coding algorithm (Codec) that improves bit rate efficiency. It reduces latency and improves sound quality over Bluetooth.
When it matters: For better sound quality if your often streaming music over Bluetooth. Also it slightly improves latency when watching videos with wireless headphones.
Good value: 130ms or less
Noticeable difference: 15ms
:
N/A
aptX(LL) Latency
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What it is: Low latency variation of aptX that significantly reduces sync issues between video and sound when using Bluetooth headphones.
When it matters: When watching videos or gaming latency is a lot more noticeable than just listening to music.
Good value: 50ms or less
Noticeable difference: 5ms
:
N/A
Obstructed Range
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What it is: The range that the wireless headphones can reach before dropping any audio when the Bluetooth source was placed in another room.
When it matters: If you can't or prefer not to carry your Bluetooth source on you, while listening to your audio in an indoor environment. Although, the obstructed wireless range will slightly depend on your home or office layout.
Good value: >35ft
Noticeable difference: 5ft
:
42 ft
Line of Sight Range
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What it is: The range that the wireless headphones can reach before dropping any audio when in direct line of sight of the Bluetooth device.
When it matters: If you can't or prefer not to carry your Bluetooth source on you, while listening to your audio in a large and open environment.
Good value: 170ft or more
Noticeable difference: 10ft
:
116 ft
NFC
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What it is: Near Field Communication technology that allows you to quickly, pair your headphones with your Bluetooth and NFC-enabled device.
When it matters: This makes pairing with an NFC-enabled device a lot easier than the typical and often tedious hold-to-pair procedure that most wireless headphones have.
:
No

The Jaybird X2 have an above-average wireless range that's great for indoors and outdoors. They're one of our furthest reaching wireless in-ear headphones and didn't drop any audio up to 40 ft when the Bluetooth source was placed in another room. However, they're not the easiest headphones to pair. The press to hold pairing procedure is a little tedious if you're switching between multiple Bluetooth sources, especially since these headphones are only designed to connect via Bluetooth. However, they do instantly connect the previously synced device and provide decent auditory feedback when pairing.

6.2 Battery
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What it is: The power source of your headphones. All headphones with active features have a battery that will deplete over time.
When it matters: To continue using the active features of your headphones. Some models lose features or switch off completely when the battery is drained, which limits what you can do with them until the next charge.
Score components:
Battery Type
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What it is: The type of battery that the headphones use. Usually AAA or embedded, Li-ion rechargeable batteries.
When it matters: When your headphones run out of power. Rechargeable batteries usually charge via the headphones Micro-USB port whereas AAA batteries have to be replaced or charged with an external device.
:
Rechargable
Battery Life
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What it is: The amount of time it takes for a headphones' battery to be completely drained. Battery life will vary depending on the active features used and volume level.
When it matters: For active headphones that connect wirelessly, have noise cancellation or other audio-enhancing features, that cease to work once the battery is dead.
Good value: >10hrs
Noticeable difference: 0.5hrs
:
9.3 hrs
Charge Time
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What it is: The amount of time your active headphones have to be connected to a power source to charge from 0 to a 100%. However, charging time will vary depending on your power source.
When it matters: To be able to use the active features of your headphones. Especially, wireless ones that completely switch off and need to be recharged when the battery is dead.
Good value: 2h or less
Noticeable difference: 0.25h
:
2 hrs
Auto-off
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What it is: A feature that turns off the headphones, after a set time, when they're not in use.
When it matters: To prolong battery life when the headphones are not being used, or if you forget to manually turn off your headphones.
:
No
Audio while charging
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What it is: Some active headphones remain usable while charging. They continue to stream audio and do not disable other active features.
When it matters: This makes sure that your headphones's battery are not being drained when your relatively close to a power source. However, this means wireless headphones will need a wired connection to the power source during the charging process.
:
No
Passive Playback
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What it is: Active headphones that still work when all their active features are turned off or out of power.
When it matters: If you run out of power and do not have spare AA/AAA batteries or access to a power source to recharge your headphones.
:
No

The X2 last surprisingly long on a single charge for wireless in-ear headphones. They also charge relatively fast. This means the battery life for the X2 is quite decent, but the lack of an auto-off timer and the fact you can't charge and play audio at the same time makes the overall battery performance mediocre at best. Also you still have to charge them at least once throughout a day if used continuously.

0 App Support
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What it is: The additional app provided to enhance your listening experience. They typically deliver a set of practical features that give you more control over the sound, noise cancelling and effects that the headphones produce.
When it matters: An app with a lot of features allows you to customize your listening experience to suit your taste and preferences. For example, additions like an equalizer can give you more bass or treble and room effects can simulate a bigger Soundstage in closed back headphones.
Score components: Subjectively assigned

No compatible app.

In the box

Jaybird X2 In the box Picture

  • Jaybird X2 Headphones
  • Earbud tips (x6 sizes)
  • Stability tips (x3 sizes)
  • USB charging cable
  • Carrying case

Conclusion Amazon CHECK PRICE Right

7.4Mixed Usage
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What it is This is the combination of the different use cases to evaluate how versatile the headphones are. Therefore an everyday headphone should be well-rounded enough to adapt to most situations and environments without significant losses in sound quality, design ergonomics or isolation.
Score components:
The Jaybird X2 perform well in most use cases. They make for above-average everyday headphones with a compact wireless design and good passive isolation.
6.5Critical Listening
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What it is The level of audio fidelity a headphone can reproduce. Therefore a balanced and true representation of bass, mids, treble, soundstage and imaging, as well as a comfortable listening experience, is essential for critical listening.
Score components:
Decent bass, mid and treble response but these headphones are too closed by design to have an open enough soundstage for critical listening.
7.6Commute/Travel
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What it is How well the headphones handle the loud environments involved in commuting or traveling. Therefore your listening experience should be comfortable, hassle-free and as isolated from noise as possible.
Score components:
Good for commuting. They're small enough to fit into most pockets and have great passive noise isolation for regular bus and train rides.
8.0Sports/Fitness
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What it is How well-adapted the headphones are, to use while doing sports or strenuous exercise. Therefore the headphones should not be too cumbersome and deliver a stable and comfortable listening experience.
Score components:
The Jaybird X2 are good headphones for sports. They have a stable in-ear fit. They're also wireless and sufficiently compact to carry around on your person everywhere you go. Also, their passive isolation is more than enough for the ambient noise of a gym but might be a bit too closed for runners and bikers that have to monitor their environment for cars and traffic.
7.8Office
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What it is How well the headphones can deliver a comfortable and isolated listening experience in an office-like environment. They should not leak much and should block the noise of a busy office.
Score components:
Above-average for office use. They don't leak much and will isolate you from the chatter of a busy office.
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Questions & Answers

2 ANSWERED QUESTIONS
6

This is not really a question---rather just two statements.

1. Thanks for a useful site.

2. I found this information on the Amazon website, it may interest you.

Thanks for your link, it turns out our test unit is authentic.
0
Did you guys notice any issues while multitasking and using bluetooth? I was using these headphones during my morning train commute, and noticed a lot of intermittent drops when using anything that required data. But if I left the iPhone locked, no issues. This makes the device unusable (for me) outside of exercise or reading a physical book. Did you guys notice the same issues? I have an iPhone 7+.
We tested the Jaybird X2 with both Android and iOS (the Nexus 6P and the iPhone 7 respectively). We played youtube videos, audio from Spotify and the native media players on both operating systems while switching between different apps. There were no connection drops as long as the devices were within range. We suggest pairing the X2 to another Bluetooth device, if possible, to isolate the issue and confirm if the connection drops happen on other devices or only with your phone.
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