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Reviewed on Jun 28, 2018 , Sam Vafaei, Yannick Khong

Sony WI-C300
HEADPHONES REVIEW

Usage Ratings - Version 1.2

Test Benches: test

  • 1.2: Winter 2018
  • 1.1: Summer 2017
  • 1.0: Winter 2017
  • 0.9: Winter 2016
6.4
Mixed Usage
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:
6.4
Critical Listening
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:
6.8
Commute/Travel
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:
7.5
Sports/Fitness
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:
6.7
Office
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:
4.9
Home Theater
Score components:
4.5
Gaming
Score components:
Type : In-ear
Enclosure : Closed-Back
Wireless : Yes
Noise-Cancelling : No
Mic : Yes
Transducer : Dynamic

The Sony WI-C300 are average wireless in-ears for most use cases. They have a simple and easy-to-use design, although their control scheme doesn't have the best feedback. They're compact enough to fit in your pockets and sufficiently stable for running, which makes them a good option for sports. They also sound moderately well-balanced, although they won't be ideal for more critical listeners. Unfortunately, they have a weak build quality that doesn't feel as durable as some of the other in-ears in their price range. They also have a slightly bulky module on their cable which may be bothersome for certain listeners.

Test Results
Design 6.8
Sound 6.3
Isolation 7.0
Microphone 6.0
Active Features 5.5
Connectivity 2.6
Pros
  • Simple and compact design.
  • Breathable and stable enough for sports.
  • Very low leakage.
Cons
  • Mediocre-at-best noise isolation.
  • Weak build quality.
  • Poor microphone quality.

Check Price

6.8

Design

Score components:
Sony WI-C300 Design Picture

The Sony WI-C300 have a very simple wireless in-ear design. They have small in-ear buds that are comfortable to wear, moderately stable, and very breathable. This makes them a good option for sports and running.  They also have a fairly simple control scheme, and they're compact enough to easily fit into your pockets so you can have them on you at all times. Unfortunately, their in-line remote is not the easiest to use due to the flat buttons with mediocre feedback, and their overall build quality feels a bit cheap and not very durable. They also do not come with as many tip sizes to help you find the right fit. They don't have a case, and they have a bulky module on the back of the cable which can be a bit bothersome when working out.  

Style
Sony WI-C300 Design Picture 2

The Sony WI-C300 have a basic wireless in-ear design. They have small earbuds that look a bit cheap and a thin cable that has an additional compartment to house the battery. They look fairly similar to the Mee audio M9B, except for the extra module, which some may prefer as it reduces the size of the in-line remote. Unfortunately, this design choice won't be for everyone, but on the upside, they come in a couple of color schemes to match your taste.

7.0 Comfort
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
Sony WI-C300 Comfort Picture
Weight : 0.06 lbs
Clamping Force
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 Sony WI-C300 are lightweight in-ear headphones with a decently comfortable fit. The earbuds are very small and do not have many points of contact with the outer parts of your ear canal like conventional in-ears, which makes them a bit less fatiguing to wear for long listening sessions. However, they do not come with as many tip options as some of the other in-ears we've tested like the 1More Triple Driver or the Mee audio M6 Pro, which could have improved their overall comfort level. Also, they have a rather bulky module on the back of the cable which will bounce up and down when working out or running, (unless tucked into a shirt) which may be a bit bothersome.

6.1 Controls
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.
Sony WI-C300 Controls Picture
Ease of use : Average
Feedback : Mediocre
Call/Music Control : Yes
Volume Control : Yes
Microphone Control : No
Channel Mixing
What it is: Being able to mix audio channels directly on the headphones.
When it matters: This is most useful when using a separate chat software so that you can mix in-game audio and chat audio depending on your needs.
:
N/A
Noise Canceling Control : No
Talk-Through : N/A
Additional Buttons : N/A

These headphones have a simple 3 button set up that's decently easy to use but does not provide the best feedback. They deliver all the necessary functions; track-skipping, call/music and volume controls. Unfortunately, the buttons do not have much travel and are quite flush with the in-line remote, which makes them a bit difficult to find by touch alone.

9.2 Breathability
What it is: How hot the headphones get when you wear them for an extended period of time.
When it matters: If you often have long listening sessions or use your headphones while doing physical activities like running or working out.
Score components:
Sony WI-C300 Breathability After Picture
Avg.Temp.Difference : 0.8 C

The Sony WI-C300 have good breathability. They do not touch any parts of your outer ear, so they will not make your ears warmer than usual. They're also a bit smaller than typical in-ears, so they barely cause any temperature difference even during more strenuous activities. They're a good option for sports and working out.

8.6 Portability
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:
Sony WI-C300 Portability Picture
L : 3 "
W : 1.9 "
H : 1 "
Volume : 6 Cu. Inches
Stand required : N/A

The Sony WI-C300 are portable headphones that will easily fit into your pockets. Their earbuds are smaller than typical in-ears, but they have an additional module on their cable that makes them slightly bulkier than some of the other wireless in-ears we've tested like the Jaybird Freedom. Unfortunately, they also do not come with a case.

0 Case
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
Type : N/A
L : N/A
W : N/A
H : N/A
Volume : N/A

These headphones do not come with a case.

6.0 Build Quality
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
Sony WI-C300 Build Quality Picture

The WI-C300 have a mediocre-at-best build quality with thin cables. The earbuds are lightweight but look a bit cheap. The in-line remote feels a bit plasticky, and the audio cables are thin and not as rubberized as more premium in-ears. The cable is also not removable so they won't last as long as some of the more high-end in-ears we've reviewed so far.

7.0 Stability
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
Sony WI-C300 Stability Picture

The Sony WI-C300 have decently stable wireless in-ear design but do not come with any additional stability tips. They also have a fairly bulky module on their audio cable that bounces around if not tucked under your shirt. It pulls slightly on the earbuds making them a bit less stable than other wireless in-ears with a similar design. They will be stable enough for running but may occasionally slip out of your ears during more strenuous workouts.

Cable
Sony WI-C300 Cable Picture
Detachable : No
Length : N/A
Connection : N/A

These headphones come with a USB charging cable.

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Headshots 1
Headshots 2
6.3

Sound

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.)
Sony WI-C300 Frequency Response

The Sony WI-C300 is a mediocre sounding pair of closed-back in-ear headphones. They have a good and punchy bass, an even mid-range, and a well-balanced treble. However, their bass lacks quite a bit of thump and rumble, sounds a little boomy, and is prone to inconsistencies across re-seats. Also, their mid-range sounds a bit cluttered and their treble is on the bright side and rather uneven. They won't be the ideal headphones for vocal-centric music but would be decent for bass-heavy genres or podcasts/audiobooks.

7.5 Bass
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:
Sony WI-C300 Bass
Std. Err.
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
:
3.38 dB
Low-Frequency Extension
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
:
41.17 Hz
Low-Bass
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
:
-4.59 dB
Mid-Bass
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
:
0.35 dB
High-Bass
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
:
4.36 dB

The bass of the Sony WI-C300 is good. LFE (low-frequency extension) is at 41Hz, which is good. However, low-bass which is responsible for the thump and rumble common to bass-heavy tracks is lacking by 5dB. Mid-bass, responsible for the body of bass guitars and the punch of kick drums is within 0.3dB of our target, but with a tilt favoring higher frequencies. High-bass, responsible for warmth, is overemphasized by more than 4dB. This makes the overall sound noticeably boomy and muddy.

8.3 Mid
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:
Sony WI-C300 Mid
Std. Err.
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
:
2.24 dB
Low-Mid
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 muddy and cluttered. Under-emphasis, thins out the vocals and lead instruments.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
2.76 dB
Mid-Mid
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 boxy. Under-emphasis pushes instruments to the back of the mix.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-0.61 dB
High-Mid
What it is: The average amount of over/under-emphasis in frequency response from 1KHz-2KHz.
When it matters: Most instruments, especially vocals, get their intensity and clarity from this range. Over-emphasis sounds honky and harsh, under-emphasis sounds weak and distant.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
1.86 dB

The mid-range is great. The overall response is quite even and decently balanced. The 3dB bump in low-mid is actually the continuation of the high-bass overemphasis. This tends to thicken the vocals a bit and add some clutter to the overall mix. Mid-mid is quite well-balanced, but high-mid is slightly overemphasized. This could make the mid-range a bit forward.

7.6 Treble
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:
Sony WI-C300 Treble
Std. Err.
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
:
3.83 dB
Low-Treble
What it is: The average amount of over/under-emphasis in frequency response from 2KHz-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
:
2.6 dB
Mid-Treble
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
:
-1.49 dB
High-Treble
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
:
-3.52 dB

The treble range performance is good. Low-treble is even and flat but overemphasized by more than 2.5dB. This brings a bit of excess brightness to the overall sound. Mid-treble is relatively uneven. The dip around 8KHz could make some sibilances (S and Ts) a bit lacking, and the peak around 10KHz could make some other sibilances noticeably sharp.

Raw Frequency Response
What it is: The average uncompensated frequency response of the headphone. For in-ears and earbuds, this corresponds to the average of 5 measurements/re-seats on the dummy head (HMS). For over/on-ear headphones, this corresponds to the average of 5 measurements/re-seats on the HMS (Head Measurement System) for the mid and treble ranges, and 5 measurements/re-seats on 5 human subjects for the bass range.
When it matters: This is for those who want to see the raw and uncompensated frequency response of the headphone. Some of the more advanced users, are able to read and evaluate headphone frequency response in its raw form and without compensation. This will be especially useful to them if they have their own headphone compensation/target curve, which may differ from the compensation curve/target response used by RTINGS.com.
Score components:
6.4 Frequency Response Consistency
What it is: The amount of deviation of each frequency response pass, from the average frequency response.
When it matters: Shows how consistently the headphones perform after re-positioning them.
Score components:
Sony WI-C300 Consistency L Sony WI-C300 Consistency R
Avg. Std. Deviation
What it is: The average amount of deviation in frequency response of 5 re-seats, from the average frequency response.
When it matters: Shows how consistently the headphones perform after re-positioning them.
Good value: <0.5
Noticeable difference: 0.1
:
0.79 dB

The frequency response consistency of the Sony WI-C300 is about average. If the user is able to achieve a proper fit and an air-tight seal using the assortment of tips that come with the headphones then they should be able to get consistent bass and treble delivery every time they use the headphones. However, it seems these in-ears are more sensitive to placement than usual and if they are not positioned deep enough in the canal, the user may experience a drop in bass.

7.2 Imaging
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.
Sony WI-C300 Group Delay Sony WI-C300 Phase Response
Weighted Group Delay
What it is: The average amount of group delay calculated based on a perceptual weighting filter. Group delay indicates how long it takes for each frequency to reach their maximum amplitude. This is a monaural quality and can be perceived even with one ear.
When it matters: Headphones with lower group delay have more transparent imaging and a tighter bass. Headphones with higher group delay in the bass range tend to have a wimpy and loose bass, and headphones with higher group delay in the treble range tend to have a less transparent imaging.
Good value: <0.5
Noticeable difference: 0.1
:
0.16
Weighted Amplitude Mismatch
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: <1.5
Noticeable difference: 0.1
:
3.33
Weighted Frequency Mismatch
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: <2
Noticeable difference: 0.1
:
2.88
Weighted Phase Mismatch
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: <16
Noticeable difference: 3
:
3.15

The imaging performance of the Sony Sony WIC300 is decent. Weighted group delay is at 0.16 which is very good. The GD graph also shows that the entire group delay response is below the audibility threshold. This suggests a tight bass and a transparent treble reproduction. However, our test unit showed an audible level mismatch between the L/R drivers, which skews the stereo image and makes one side heavier.

It should be noted that this mismatch could be unique to our test unit and the one you buy may not have this issue. However, this could be considered as a metric for manufacturing tolerance of these headphones.

1.4 Soundstage
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 Accuracy (Std. Dev.)
What it is: The standard deviation of the PRTF (Pinna-related transfer function) of the headphones compared to a reference loudspeaker's PRTF at 30°. This quality is monaural and can be perceived even with one ear. This test does not apply to in-ears and earbuds, due to the lack of pinna interaction.
When it matters: An accurate pinna activation is mainly responsible for how natural and speaker-like the soundstage is perceived to be. The less error in the shape of the PRTF, the more natrual and speaker-like the perception of the soundstage will be. High amounts of error may indicate a soundstage that is unnatural or odd.
Good value: <2.5
Noticeable difference: 0.1
:
N/A
PRTF Size (Avg.)
What it is: The average amplitude of the PRTF (Pinna-related transfer function) of the headphones compared to that of a reference loudspeaker's PRTF at 30°. This quality is monaural and can be perceived even with one ear. This test does not apply to in-ears and earbuds, due to the lack of pinna interaction.
When it matters: This value is responsible for the perceived size of the soundstage. The higher the value, the larger the perceived size of the soundstage. However, values above the reference (5.0dB) could result in a soundstage that is perceived as unnatural or odd.
Good value: >3.7
Noticeable difference: 0.1
:
N/A
PRTF Distance
What it is: The depth of the "10KHz notch" of the headphone's PRTF, which is caused by phase cancellations at the concha. This quality is monaural and can be perceived even with one ear. This test does not apply to in-ears and earbuds, due to the lack of pinna interaction.
When it matters: This value is mainly responsible for the perceived distance and elevation of the soundstage. A small distance value may result in a soundstage that is perceived to be located inside the head. Larger values may help pull the soundstage out from inside of the head and bring it to the front.
Good value: >13
Noticeable difference: 1
:
N/A
Openness
What it is: How open the headphones are, and how open and spacious they sound. This quality is monaural and can be perceived even with one ear. 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, and could be indirectly related the acoustic impedance of the headphones.
When it matters: When a headphone with a sense of an open, and spacious soundstage 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
:
4.0
Acoustic Space Excitation
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 will be affected by the environment (reflections/reverb) before reflecting back into the open headphones and to the listener's ears. This quality is monaural and can be perceived even with one ear. This value is the inverse of the Leakage test score.
When it matters: Headphones with higher excitation values, similar to openness, tend to have soundstages that are perceived as more open and spacious.
Good value: >7.5
Noticeable difference: 0.5
:
1.3
Correlated Crosstalk
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

The soundstage is poor. This is because creating an out-of-head and speaker-like soundstage is largely dependent on activating the resonances of the pinna (outer ear). The design of in-ears and earbuds is in such a way that fully bypasses the pinna and doesn't interact with it. Also, because these headphones have a closed-back enclosure, their soundstage won't be perceived to be as open as that of open-back earbuds like the Apple AirPods, Google Pixel Buds, or the Bose SoundSport Free.

6.2 Total Harmonic Distortion
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:
Sony WI-C300 Distortion
Weighted THD @ 90
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
:
24.046
Weighted THD @ 100
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
:
7.562

The harmonic distortion performance is mediocre. The amount of THD produced in the bass range is within good limits. Additionally, for the most of the spectrum the THD at 100dB SPL is lower compared to the 90dB SPL. This could be due to the increased flexibility of the driver under heavier loads. The amount of harmonic distortion in the mid-range though, is a bit elevated, which could make the sound a bit impure.

7.0

Isolation

Score components:

The Sony WI-C300 have a mediocre-at-best noise isolation performance which will not be enough for very loud and noisy environments. They will let the rumbling noise of a subway or train seep into your audio. On the upside, they barely leak even at high volumes so you can mask some of the ambient noise by just turning the volume up and not distract the people around you.

6.0 Noise Isolation
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:
Sony WI-C300 Noise Isolation
Overall Attenuation
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
:
-18.63 dB
Bass
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
:
-1.44 dB
Mid
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
:
-13.88 dB
Treble
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
:
-41.56 dB
Self-Noise
What it is: The amount of noise created by the active electronics of the headphones (if applicable), measured from 300Hz-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: <16dB
Noticeable difference: 1dB
:
20.5 dB

The Sony WI-C300 have a mediocre isolation performance. In the bass range, where the rumble of bus and airplane engines sit, they achieve about 1dB of isolation, which is barely noticeable. In the mid-range, important for cutting out speech, they isolate by more than 14dB, which is above-average. In the treble range, occupied by sharp S and T sounds, they isolate by about 42dB, which is excellent.

8.9 Leakage
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:
Sony WI-C300 Leakage
Overall Leakage @ 1ft
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
:
28.22 dB

The leakage performance is great. Similar to most other closed-back in-ears, these headphones don't leak in the bass and mid ranges. The significant portion of their leakage is in the treble range and between 3KHz and 6KHz, which is quite a narrow range. The overall level of the leakage is not loud either. With the music 100dB SPL the leakage at 1 foot away averages at 28dB SPL and peaks at around 48dB SPL, which is just below the noise floor of an average office.

6.0

Microphone

What it is: The microphone section shows the quality of speech capture and transmission by the mic, as well as how well the microphone under test handles noisy environments.
When it matters: For your speech to be transmitted to and understood properly by the listener, the microphone needs to have a good recording quality. If the environment the microphone is being used in is noisy, a microphone with a good noise handling performance would be needed as well.
Score components:
Integrated
What it is: The microphone integrated in the ear cup or ear bud of a wireless headphone.
When it matters: For calls, gaming and voice over IP software or for any other use of the microphone.
Good value: Yes
:
No
In-line
What it is: The microphone inside the in-line remote of audio cables for wired and wireless headsets.
When it matters: In-line microphone are usually better than integrated mics. If you need better recording quality and noise handling for calls, gaming and voice over IP software then use the audio cable of your wired or wireless headphone if it has an inline microphone.
Good value: Yes
:
Yes
Boom
What it is: A typically better microphone, that's also adjustable and extends so that the mic is closer to your mouth.
When it matters: Much better recording quality and noise handling than in-line or integrated mics. Primarily used for gaming and voice over IP software.
Good value: Yes
:
No
Detachable Boom
What it is: A boom mic that is detachable from the headset.
When it matters: If you want to use your headphone outdoors without the bulk and hassle of the Boom mic.
:
N/A

The in-line microphone of the Sony WI-C300 has a sub-par quality. In quiet environments, speech recorded or transmitted with this mic will sound full-bodied, but quite muffled and lacking in detail. They are also prone to pops and low-rumbling noises, and won't be the ideal choice for making calls. In noisy environments, they will struggle to separate speech from background noise even in moderately loud situations, like a busy street.

5.8 Recording Quality
What it is: Microphone recording quality shows how natural, neutral, extended and intelligible speech would be with the device under test, in a quiet environment.
When it matters: A microphone with a good recording quality ensures that the person listening to you would hear a full, clear, and easily understandable speech. Therefore, it is important whenever a good quality of speech transmission and intelligibility is needed.
Score components:
Sony WI-C300 Microphone Frequency Response
Recorded Speech
What it is: Actual audio recording of the headphone's microphone, recorded while placed on the dummy head, with speech being played back through the dummy head's mouth simulator.
When it matters: When a clean, full, and intelligible speech transmission is required.
:
LFE
What it is: Low-frequency extension shows how deep the bass response of the microphone is, and therefore, how deep and full your voice would sound to the listener. It is the lowest frequency at which the frequency response reaches -3dB of the target response.
When it matters: LFE is not a big factor in speech intelligibility and even speech recorded with a mic that has an LFE of 500Hz could still be easily understood. Therefore, it is mostly important if you are concerned with how deep and full your voice would be heard.
Good value: <150Hz
Noticeable difference: 30Hz
:
162.33 Hz
FR Std. Dev.
What it is: Frequency Response Standard Deviation shows how accurately and balanced sound is captured by the microphone at each frequency. FR Std. Dev. is calculated between LFE and HFE, and the rest of the spectrum is ignored.
When it matters: A good frequency response is desired when a natural and neutral speech quality is desired. As opposed to HFE which is more a metric for speech intelligibility, frequency response could be considered as a metric for a natural and neutral sound.
Good value: >3.5dB
Noticeable difference: 0.5dB
:
4.25 dB
HFE
What it is: High-frequency extension is the highest frequency at which the frequency response reaches -3dB of the target response. It shows how extended the treble response of the microphone is.
When it matters: HFE is one the most important factors in speech intelligibility. The higher the HFE, the brighter, more open, and more extended the speech quality will be which makes it a lot easier to understand by the listener.
Good value: >8KHz
Noticeable difference: 1KHz
:
2061.43 Hz
Weighted THD
What it is: The unwanted frequencies (harmonics) produced alongside the intended frequencies, which cause deformation of an output signal compared to its input.
When it matters: When clean and pure sound reproduction is desired, though its effect is not as noticable as frequency response.
Good value: <1.5
Noticeable difference: 1.0
:
4.975
Gain
What it is: Shows how much louder the microphone can go above our reference loudness level. The gain value is reported relative to our reference level, which is 94dB at a distance of 5cm from the mouth.
When it matters: A microphone with a high gain is important when the input signal (speech) is very quiet. For example when whispering, or talking on the phone in a library.
Good value: >18dB
Noticeable difference: 3dB
:
42.89 dB

The microphone has a sub-par recording quality. The bump in low-bass makes this mic prone to pops and low-rumbling noises. The rest of the response in the bass range is not too bad, so voice will sound relatively full-bodied. The HFE (high-frequency extension) of 2.1KHz is quite poor and results in speech that is muffled and lacking in detail. It also negatively affects the intelligibility of speech.

6.1 Noise Handling
What it is: How well the microphone is able to separate speech from background noise, so that the transmission would include more voice and less noise.
When it matters: When a clean and intelligible speech transmission is desired in a noisy situation like talking on the phone on a busy street or on the bus.
Score components:
Sony WI-C300 SpNR
Speech + Pink Noise :
Speech + Subway Noise :
SpNR
What it is: Speech to Noise Ratio is the difference in level between speech and background noise as heard by the listener
When it matters: If the microphone is going to be used in a noisy environment, it is important for it to be able to separate the speech from background noise, so the voice would be easily audible and understandable.
Good value: >24dB
Noticeable difference: 3dB
:
13.77 dB

The microphone is mediocre at noise-handling. In our SpNR test, they achieved a speech-to-noise ratio of 14dB, indicating they are best suited for quiet environments and will struggle to separate speech from ambient noise in moderate and loud situations.

5.5

Active Features

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 Sony WI-C300 have a decent battery life of 8 hours but poor power saving features and no app support. They last long enough for a full day's use if you take frequent breaks. Unfortunately, they do not automatically power down to save power which is a bit disappointing. They're also not compatible with the Sony| Headphones Connect app which makes them less customizable than some of the other wireless in-ears we've tested like the Jaybird X3

6.1 Battery
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.
Battery Type
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
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
:
8.1 hrs
Charge Time
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
:
1.7 hrs
Power Saving Feature
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
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
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

These headphones have a decent 8-hour battery life but do not have a lot of power saving features. You can't use them while they are charging, they have no auto-off feature once connected to a Bluetooth source, and no passive playback since they are Bluetooth only headphones. On the upside, they charge decently quickly at 1.7 hours.

0 App Support
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
App Name : N/A
iOS : N/A
Android : N/A
Mac OS : N/A
Windows : N/A
Equalizer
What it is: Parametric, graphic or preset sound profiles that slightly alter the frequency response.
When it matters: If you want to tailor, your listening experience. Depending on what you're listening to you may want more or less bass for some tracks or more mid-range for vocals-heavy audio.
:
N/A
ANC control
What it is: Control over the Active noise canceling technology. This could be either a simple on/off button, and adjustable slider or even adaptive self-regulating noise cancellation.
When it matters: If you're in an environment where you need to monitor your surroundings or completely isolate yourself from ambient noise.
:
N/A
Mic Control : N/A
Room effects
What it is: Room effects that enhance the audio quality to make it more immersive.
When it matters: If you want to further tweak your listening experience. Adding room effects, can simulate a more spacious Soundstage or deliver a surround sound-like feel.
:
N/A
Playback control
What it is: An in-app player that gives you access to play/stop, track skipping or volume controls directly with the app.
When it matters: It's a shortcut that allows you to control your audio without leaving the application.
:
N/A
Button Mapping : N/A
Surround Sound : N/A

The Sony WIC300 headphones do not come with a compatible app for added customization options.

2.6

Connectivity

What it is: The inputs and outputs of wired and wireless headphones, as well as their latency performance and range.
When it matters: To know how compatible your Bluetooth device, console or PC will be with your wired or wireless headset.
Score components:
  • 10% Bluetooth
  • 33% Wired
  • 10% Base/Dock
  • 22% Wireless Range
  • 25% Latency

The Sony WI-C300 are Bluetooth-only headphones with no audio cable or base/dock. They have a decent wireless range but do not support simultaneous multi-device pairing or NFC.  Unfortunately, they also have a poor latency performance so they won't be suitable for watching videos or gaming.

8.0 Bluetooth
What it is: Bluetooth support for wireless headphones.
When it matters: To connect wirelessly to Bluetooth sources like your phone, tablet, console, PC and TV.
Score components:
  • 80% Multi-Device Pairing
  • 20% NFC
  • <1% PS4 Compatible
  • <1% Xbox One Compatible
Bluetooth Version : 4.2
Multi-Device Pairing
What it is: A Bluetooth profile that allows some headphones to be simultaneously connected to multiple Bluetooth sources, and have full call and media support on both/all devices they are connected to.
When it matters: To quickly switch between your Bluetooth sources. For example, switching from your phone to your home or work PC and still have call and media support on both devices.
Good value: 2 devices.
:
No
NFC
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.
Good value: Yes
:
Yes
PS4 Compatible
What it is: Bluetooth compatibility with the PlayStation 4.
When it matters: To connect your headphones wirelessly with your PS4.
Good value: Audio + Microphone
:
No
Xbox One Compatible
What it is: Bluetooth compatibility with the Xbox One.
When it matters: To connect your headphones wirelessly with your Xbox one.
Good value: Audio + Microphone
:
No

The Sony WI-C300 do not have multi-device pairing but do support NFC. Their hold-to-pair procedure is also not too difficult to use or not as frustrating as some Bluetooth headphones we've tested.

0 Wired
What it is: The type and compatibility of audio cables for wired and wireless headphones.
When it matters: For all devices with a regular audio jack (line-out) and also compatibility of the in-line remote/boom microphone with consoles and Personal computers.
Score components:
  • 13% Analog
  • 9% USB
  • 26% PS4 Compatible
  • 26% Xbox One Compatible
  • 26% PC Compatible
Cable Tested : N/A
Analog
What it is: A regular 1/8" TRS audio jack or a 1/4 or 1/16 TRS with a 1/8 TRS adapter.
When it matters: For all devices with a line out.
Good value: Yes
:
N/A
USB
What it is: A USB or USB adapter to connect to your devices for audio and microphone.
When it matters: A digital USB adapter usually offers a slight advantages over a regular audio jack, like a DAC, and amplifier module or software support and compatibility with PCs. However it may not be as compatible with consoles.
Good value: Yes
:
N/A
PS4 Compatible
What it is: PS4 compatibility with a regular 3 or 4 pin 1/8 TRS audio cable.
When it matters: When you want to use a wired headphone with your PS4
Good value: Audio + Microphone
:
N/A
Xbox One Compatible
What it is: Xbox One compatibility with a regular 3 or 4 pin 1/8 TRS audio cable.
When it matters: When you want to use a wired headphone with your Xbox One
Good value: Audio + Microphone
:
N/A
PC Compatible
What it is: PC compatibility with a regular 3 or 4 pin 1/8 TRS audio cable.
When it matters: When you want to use a wired headphone with your PC.
Good value: Audio + Microphone
:
N/A

The Sony WI-C300 are Bluetooth-only headphones with no wired option. If you want a decent sounding, wired design with a universal in-line remote, then check out the 1More Triple Driver In-Ear.

0 Base/Dock
What it is: The base station, dock or dongle transmitter of wireless headphones that receive data/audio via a proprietary frequency range.
When it matters: Knowing the inputs and outputs of the base/dock/dongle as well as its compatibility with consoles and Personal Computers. Also whether the base supports dock charging to easily recharge the headphones without any cables.
Score components:
  • 5% Optical Input
  • 22% Line In
  • 5% Line Out
  • 22% USB Input
  • 4% RCA Input
  • 9% PS4 Compatible
  • 9% Xbox One Compatible
  • 9% PC Compatible
  • 2% Power Supply
  • 13% Dock Charging
Wireless Type
What it is: The type of wireless connection used by the base station/dock to communicate with the headphones.
When it matters: For latency and range. For example Radio frequency has low latency but mediocre range when obstructed and proprietary docks have their own 2.x GHz or 5 GHz frequency which varies in performance.
:
N/A
Optical Input
What it is: Optical input for audio.
When it matters: Optical can carry a bit more data at faster speeds than typical wired connection which allows for more high quality, lossless audio.
Good value: Yes
:
N/A
Line In
What it is: The regular wired input via a 1/8" TRS audio jack.
When it matters: For any device that has a line out for audio transmission.
Good value: Yes
:
N/A
Line Out
What it is: A regular 1/8TRS audio jack output.
When it matters: If you need to share the audio source with other devices. A line out lets you connect other headphones or speakers to the dock/base station.
Good value: Yes
:
N/A
USB Input
What it is: A digital USB input instead of a typical 1/8 TRS line-in.
When it matters: A USB connection can provide both an audio input and power to the Dock or Base station.
:
N/A
RCA Input
What it is: Audio input using via an RCA connectors.
When it matters: Provides better stereo audio to the dock/base that's then transmitted to the headphones.
Good value: Yes
:
N/A
PS4 Compatible
What it is: Dock/Base station compatibility with the PlayStation 4.
When it matters: To be able to use all the features of the dock/base station with out losing audio or microphone capability.
Good value: Audio + Microphone
:
N/A
Xbox One Compatible
What it is: Dock/Base station compatibility with the Xbox One.
When it matters: To be able to use all the features of the dock/base station with out losing audio or microphone capability.
:
N/A
PC Compatible
What it is: Dock/Base station compatibility with your Personal Computer.
When it matters: To be able to use all the features of the dock/base station with out losing audio or microphone capability.
Good value: Audio + Microphone
:
N/A
Power Supply
What it is: The connector type of the power source.
When it matters: The accessibility of the power source. For example a power supply with USB/USB-C connects to multiple devices, PC , PS4, Xbox One or even with your regular phone charger whereas a A/C adapter is less common.
Good value: USB/USB-C
:
N/A
Dock Charging
What it is: Charging the headphones via the dock/base station instead of a charging cable.
When it matters: It makes charging your headphones easier and gives you a sport to store your headphones when they are not in use.
Good value: Yes
:
N/A

These in-ear buds do not have a dock. If you want a headphone that's versatile and has a dock, try the SteelSeries Arctis 7. However, it won't be as compact and easy-to-carry around on your person.

7.4 Wireless Range
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.
Score components:
Obstructed Range
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
:
34 ft
Line of Sight Range
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
:
79 ft

The Sony WI-C300 have an average wireless range, even when the Bluetooth source was obstructed but they are not as far-reaching as some of the other wireless in-ears we've tested like the BeatsX. They should have enough range for most use cases, especially if you keep your phone on you, but they won't be ideal for very large office spaces and fixed Bluetooth sources like a PC or TV.

0.6 Latency
What it is: How long it takes for audio to play through your headphones once the audio signal has been sent from a source.
When it matters: When gaming or watching movies. High latency means you will hear the audio much later than the images you see on screen.
Score components:
Default Latency
What it is: The Base RF latency or the default sub-band coding (SBC) 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: 50ms or less
Noticeable difference: 15ms
:
237 ms
aptX Latency
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: 50ms or less
Noticeable difference: 15ms
:
N/A
aptX(LL) Latency
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

Disappointing latency performance. The Sony WI-C300 have about 237ms of latency which is on the high side of most Bluetooth headphones making them even less suitable for watching movies and gaming.

In the box

Sony WI-C300 In the box Picture

  • Sony WI-C300 Headphones
  • Earbud tips (x3 sizes)
  • USB charging cable
  • Manual

Compared to other Headphones

Sony WI-C300 Compare Picture

The Sony WI-C300 are a basic wireless in-ear decent enough for most use cases. They have moderately balanced sound, a decent battery life and wireless range, and a simple design that's easy to use but doesn't have the best feedback. They're also a bit more comfortable than typical in-ears thanks to their small buds. Unfortunately, they do not come with a lot of tip options, and their build quality doesn't feel as durable as some of the other wireless in ears in their price range compared below. They also do not block noise as well as more conventional in-ear designs. 

JBL E25BT

The JBL E25BT are better headphones overall than the Sony WI-C300. The JBLs also have a higher-end build quality and a flatter battery module with better cable management. The E25BT also have a longer battery life and a more balanced sound with a deeper bass. The WI-C300, on the other hand, support NFC which makes them slightly easier to pair with mobile phones.

Jaybird Freedom

The Jaybird Freedom are better wireless in-ears overall when compared to the Sony WI-C300. The Freedom are better built and have a customizable sound that you can EQ with the Jaybird MySound app. They also have a more stable fit for sports thanks to a wider variety of tips and stability fins that you can mix and match for a more secure in-ear fit. The earbuds isolate a bit better in loud environments making them a better choice for commuting. The Sony, on the other hand, have a better continuous battery life and a standard micro-USB charging port that does require an adapter like the Jaybirds. The Freedom are the better headset overall, but the annoying charging clip might be a deal breaker for some.

Beats BeatsX

The Beats X are a better all-around headset for most use cases than the Sony WI-C300. They're pricier but also have a better build and sound quality. They also have more than twice the range of the Sonys and a faster-charging battery life that's convenient. The Beats overall do everything a little better than the WI-C300. However, the Sonys could be a decent option if you're on a tight budget.

Anker SoundBuds Curve

The Anker Curve are a better sports headphone that the Sony WI-C300. The Ankers have a more balanced sound quality and a longer lasting battery life at 12 hours compared to 8 for the Sonys. The Curve also have a more stable ear-hook design that's good for sports and running. Their control scheme delivers a better feedback and they have a more comfortable in-ear fit than the Sony with additional stability fins and tip sizes. They're in the same price range as the WI-C300 and would be the better option for most listeners.

MEE audio M9B

The Mee Audio M9B have a similar performance to the Sony WI-C300. The M9B have a slightly better build quality with thicker cables. The earbuds are also a bit smaller so they are more comfortable to wear for long periods of time. The Sony's, on the other hand, have a smaller control scheme that doesn't offset their stability to one side of the headphones but they also have a bulky module on the back of their cable which might be a bit bothersome for some listeners. Overall the Mee audio would be a good alternative to the Sony and will be just as decent for most use cases except home theater and gaming.

+ Show more

Conclusion

6.4Mixed Usage
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 Sony WI-C300 are an average mixed usage wireless in-ear. They have a passable sound quality that would be good enough for most but not ideal for more critical listeners. They also have a decent battery life and wireless range but lack a few features compared to similarly designed headphones. They do not have as many tip sizes and lack stability fins but should be stable enough to run with. Unfortunately, their build quality is mediocre at best and the thin cables do not seam very durable. They also do not block noise as well as typical in-ears, so they won't be the best headphones for commuting.
6.4Critical Listening
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:
Passable for critical listening. These headphones have a decently well-balanced frequency response although they can sound a bit sharp on already bright tracks and their bass range tends to be a little boomy and cluttered. On the upside, they should sound good enough for most listeners but they do not have a large and spacious soundstage due to their small closed back earcups which won't be ideal for more critical listening.
6.8Commute/Travel
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:
Decent for commuting. They're compact and fit into most pockets. They also have a decent control scheme that you can use on the go with your phone. Unfortunately, the in-ear fit does not block as much noise as typical in-ear headphones but should be fine if you're playing your music at higher than average volumes.
7.5Sports/Fitness
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:
Good for sports. The Sony WIC300 have a decently stable in-ear fit, they're wireless and small enough to carry around on your person wherever you go. Unfortunately, though functional, their in-line remote doesn't have the best feedback and the module on the back of the cable may cause the earbuds to slip out of your ears during more intense physical exercises.
6.7Office
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:
Decent for office use. The Sony WI-C300 don't leak, so you can mask the ambient noise of a lively office by playing your audio at higher than average volumes.
4.9Home Theater
Score components:
Sub-par for home theater use. They have quite a bit of latency and no wired connection option. This means they won't be ideal for watching video content and unfortunately they're not the most comfortable headphones to wear for long movies.
4.5Gaming
Score components:
Sub-par for gaming. They have a mediocre-at-best mic, lack customization options and have a bit too much latency to be suitable for gaming. They're also Bluetooth only headphones that will not pair with your Xbox One or PS4.

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