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    Table of Contents
  1. Intro
  2. Design
    1. Style
    2. Comfort
    3. Controls
    4. Stability
    5. Portability
    6. Case
    7. Build Quality
    8. Breathability
    9. Cable
    10. Front
    11. Angled
    12. Side
    13. Rear
    14. Top
  3. Sound
    1. Bass
    2. Mid
    3. Treble
    4. Frequency Response Consistency
    5. Soundstage
    6. Imaging
    7. 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 Mar 22, 2017 , Marc Henney, Jean-Christophe Lamontagne

Bose QuietControl 30
HEADPHONES REVIEW

Usage Ratings
7.6Mixed 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:
6.9Critical 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:
7.8Commute/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:
7.7Sports/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:
8.1Office
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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 : Earbuds
Enclosure : Closed
Wireless : Yes
Noise-Cancelling : Yes
Mic : Yes
Transducer : Dynamic

The Bose QuietControl 30 are comfortable and versatile wireless headphones with a satisfying sound quality. They're decently portable and offer more control over their noise cancellation than any other Bose headphone reviewed so far. However, the noise canceling is not as strong, and although they're stable enough to run with the around-the-neck design won't be for everyone.

Test Results
Design 7.6
Sound 6.7
Isolation 8.4
Active Features 7.3
Pros
  • Comfortable and stable earbud fit.
  • Very low leakage.
  • Above-average noise isolation.
Cons
  • The neckband design won't be for everyone.
  • Laggy when watching videos.

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QuietControl 30
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7.6

Design

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Score components:
Bose QuietControl 30 Design Picture

The QuietControl 30 have a wireless, around-the-neck design that's not for everyone but feels comfortable and well-built. The StayHear+ tips and the neckband fit makes them quite stable to run with although they can sometimes get tangled in your clothing, especially, if you're wearing a lot of layers. They have an efficient control scheme that also gives control over the noise cancellation, but the power/Bluetooth button is a bit too stiff, which is slightly frustrating and decreases their ease-of-use. On the upside, they're decently portable and come with a sturdy case to carry them in.

Style
Bose QuietControl 30 Design Picture 2

The QuietComfort 30 have a relatively simple design that feels high-end. Thanks to the materials used in the build quality these headphones have a much more premium appeal than of the other around-the-neck designs. They come in an understated all-black color scheme that won't particularly stand out, which is ideal for some but feels a bit bland.

7.5 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
Bose QuietControl 30 Comfort Picture
Weight : 0.14 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 QC 30 like the SoundSport wireless have the comfortable Bose StayHear+ tips that fit snugly within the ear canal. They're comfortable headphones to wear for extended periods of time without experiencing the fatigue that some other in-ear/earbuds may cause. However, the neckband fit won't be for everyone.

7.0 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.
Bose QuietControl 30 Controls Picture
Ease of use : Good
Feedback : Above-average
Call/Music Control : Yes
Volume Control : No
Noise Canceling Control : Adjustable
Talk-Through : Adjustable
Additional Buttons : No

The QuietComfort 30 have a good control scheme, but the buttons are a bit stiff and difficult to press. They provide the common functionalities like call/music, track-skipping, and volume controls but also two additional buttons on the side of the in-line remote to increase or decrease the level of noise canceling. Unfortunately, although slightly better than that on the Soundsport Wireless, the inline remote is covered by a thick rubber-like material that makes the buttons a bit difficult to press especially the power/Bluetooth sync switch.

7.5 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
Bose QuietControl 30 Stability Picture

The QC 30 have stability tips of different sizes to provide a stable fit within the ear. That combined with the neckband makes them quite stable to run or exercise with. However, the cables that connect the neckband and the earbuds can sometimes get caught on an item of clothing, but that doesn't happen often enough to be of concern.

7.2 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:
Bose QuietControl 30 Portability Picture
L : 5.81 "
W : 6.38 "
H : 0.80 "
Volume : 29.65 Cu. Inches

These headphones do not take too much space, especially, when not in the case as the total surface area they occupy is relatively small. However, due to their somewhat odd shape, they won't fit into all pockets but should easily fit into most bags. They're also quite easy to carry on your person if you just let them dangle from your neck.

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
Bose QuietControl 30 Case Picture
Type : Hard case
L : 6.38 "
W : 6.81 "
H : 1.42 "
Volume : 61.70 Cu. Inches

Comes with a good, hard case that will easily shield the headphones against falls, scratches and minor water damage. It adds a bit of bulk to the overall design and won't fit into most pockets but can be carried around in a bag with relative ease.

7.5 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
Bose QuietControl 30 Build Quality Picture

The QuietComfort 30 feel well built. The plastic used for the headband and the earbuds feels dense yet sufficiently lightweight, that they won't get damaged if they were to fall from about neck height. However, the cables although thicker than most in-ear headphones we've reviewed feels like the main weak point of the build quality. They could snap if pulled on a bit too forcefully which could happen if they get caught off an item of clothing.

8.9 Breathability
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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:
  • 100% Avg.Temp.Difference
Bose QuietControl 30 Breathability Before Picture Bose QuietControl 30 Breathability After Picture
Avg.Temp.Difference : 1.1 C

Cable
Bose QuietControl 30 Cable Picture
Detachable : N/A
Length : N/A
Connection : N/A

Comes with USB to microUSB charging cable.

Front
Angled
Side
Rear
Top
6.7

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.)
Bose QuietControl 30 Frequency Response

The QuietControl 30 have a well-balanced audio reproduction and can consistently deliver a good amount of bass thanks to their decent seal and ergonomic design. They have a nearly flawless Mid Range reproduction, and the Treble Range will also be satisfying to most people. On the downside, they don't have much Soundstage and won't be the most immersive headphones for critical listening.

8.9 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:
Bose QuietControl 30 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
:
1.6 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 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
:
2.44 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
:
1.26 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
:
1.65 dB

Very good Bass Range performance. The overall response is quite flat and balanced. The general 1.5dB of overemphasis in Bass is very subtle and won't deviate much from neutral.

9.0 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:
Bose QuietControl 30 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
:
1.27 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
:
0.73 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
:
-1.54 dB
High-Mid
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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 harsh, under-emphasis sounds weak and distant.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
0.64 dB

Very good Mid Range performance. Low-mid and Mid are virtually flat. High-mid shows about 3dB of overemphasis compared to Mid, pushing the main body of vocals slightly back in the mix, and bringing the higher parts of vocals/instruments to the front.

6.8 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:
Bose QuietControl 30 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
:
4.48 dB
Low-Treble
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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
:
0.86 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
:
-3.97 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
:
-3.9 dB

Good Treble Range performance. Low-treble is very slightly elevated, which is the continuation of the High-mid bump. In Treble, there is a 5dB dip around 8KHz, negatively affecting the reproduction of sibilant sounds (S and T).

8.8 Frequency Response Consistency
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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:
Bose QuietControl 30 Consistency L Bose QuietControl 30 Consistency R
Avg. Std. Deviation
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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
:
0.25 dB

Excellent performance consistency. Due to their stable and ergonomic design, if you are able to position the QC30s properly, there should be very little variance in frequency response between re-seats.

1.4 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
:
2.5
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
:
0.8
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 their good noise-cancelling, the openness score is low, as these headphones tend to isolate the listener from their environment. Additionally, due to the earbuds' design and lack of interaction with the pinna, the PRTF score is also low resulting in a relatively closed-up Soundstage that is perceived to be located inside the listener's head.

6.5 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.
Bose QuietControl 30 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°
:
148.28 °
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
:
0.46 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
:
1.59 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°
:
12.61 °

Average Imaging. There is significant phase shift happening, especially throughout the Mid and Treble Ranges. This could skew the clarity and transparency of the sound. On the other hand, the driver matching of our test unit was very good.

7.9 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:
Bose QuietControl 30 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
:
0.72
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
:
1.958

Good harmonic distortion performance. The overall amount of THD is slightly elevated, but there is very little distortion in the Bass Range and there's not a significant rise in THD under heavier loads either.

8.4

Isolation

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Score components:

The QuietComfort 30 like the QuietComfort 20 barely leak at high volumes. This and the above-average noise cancellation makes them a great option if you don't want to distract your colleagues at the office. They also deliver enough isolation to be versatile commuting and traveling headphones, although the isolation is not as good as some of the other models in the Bose line-up.

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:
Bose QuietControl 30 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
:
-21.24 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
:
-18.26 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
:
-17.58 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
:
-27.64 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 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
:
16.75 dB

Above average isolation. The QC30 performs well in Bass and Mid Ranges by achieving more than 17dB of isolation. In the Treble Range they approach 30dB of isolation which is slightly better than average. Their self-noise is also minimal and on par with other well-performing ANC headphones.

9.2 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:
Bose QuietControl 30 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
:
26.1 dB

Excellent leakage. The overall level of the leakage on these earbuds is very low, barely reaching significant levels. Additionally, the main portion of the leakage is between 4KHz and 9KHz which is a narrow range.

7.3

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 QC30 have a good set of active features. They deliver a decent wireless connection that's a bit laggy when watching movies but has enough range for most use cases. They support NFC for easy pairing with mobile devices and have a decent battery life with an adjustable auto-off timer accessible through the Bose connect app. The app also gives you a bit more control over the noise cancellation but still feels featureless when compared to some other headphone apps.

7.4 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 Smart 4.2
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
:
194 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
:
34 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
:
120 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.
:
Yes

The QuietControl 30 have a decent wireless range in direct line-of-sight and when the Bluetooth source was obstructed. They won't be the farthest reaching headphones, but they should be OK to use around your house and in the office. They're also relatively easy to pair with mobile devices that support NFC and connects immediately to the last synced device when powering on. However, the Bluetooth/power button is unusually stiff to press and hold, so if you don't have NFC, the pairing procedure could be frustrating. Also, they have quite a bit of latency, which is fine for music but very noticeable when watching videos.

7.3 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
:
11.4 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
:
2.5 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.
:
Yes
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 QuietControl have a fair battery life of 11.4 hours when playing audio continuously at average volumes. They also have an auto-off timer accessible through the Bose Connect app that allows them to conserve a decent amount of power. They take about 2.5 hours to fully charge, which is about average but cannot be used once plugged into a power outlet.

7.0 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
Bose QuietControl 30 App Picture
App Name : Bose Connect
iOS : Yes
Android : Yes
Equalizer
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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.
:
No
ANC control
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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.
:
Adjustable
Room effects
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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.
:
No
Playback control
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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.
:
Yes

The Bose Connect app is unfortunately not as robust as that of the competition. However, for the QC30 there is an additional noise canceling slider that allows you to control the level of isolation directly from the app. This makes this version of the app a bit more useful but due to the toggles on the inline remote to control the level of isolation you may not even need to use that feature. Other than that it's the same as the QC35 or the SoundLink which means you get a basic media player but a good and flexible auto-off timer.

In the box

Bose QuietControl 30 In the box Picture

  • Bose QuiControl  Wireless Headphones
  • Earbud tips (x3)
  • USB charging cable
  • Carrying case
  • Manual

Conclusion
SEE PRICE
Amazon.com

7.6Mixed 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 QC30 are good headphones for most use cases. They're comfortable, portable and isolate well in loud environments. They're decent commuting headphones and stable enough to take to the gym. However, thanks to their low leakage they're ideal to use at the office or in quieter environments like a library. They also sound good enough to please most listeners but by design may not be the ideal headphones for pure critical listening.
6.9Critical 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 for critical listening. They have a good bass, a well-balanced mid and treble range, but due to the small and closed back design of the earbuds, they don't have the best Soundstage. They will sound good enough for most listeners but won't deliver the ambiance that some critical listeners are looking for.
7.8Commute/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:
Above-average for commuting. They're comfortable, easy to carry around and isolate well in loud environments. They also have a decent control scheme that's easy-to-use especially for NFC-enabled mobile devices.
7.7Sports/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:
Suitable for sports use. The StayHear+ tips provide a comfortable and stable fit which combined with the around-the-neck design means they will rarely fall to the ground even when exercising intensely. However, the neckband can sometimes get caught on items of clothing which may pull the earbuds out of your ears, but it's a rare issue that really depends on what you're wearing.
8.1Office
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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:
The Bose QuietControl 30 are ideal to use at the office. They barely leak even at high volumes and isolate well enough to block the chatter of a lively workplace. They're comfortable, they have a decent control scheme and wireless range and they have a decent battery life that lasts long enough for a typical work day.
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Questions & Answers

1 ANSWERED QUESTIONS
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Hey I'm trying to protect my ears and would like to know the maximum volume decibels and the half volume decibels. I use them for about 2 hours in the morning and want to make sure I'm staying under about 80 decibels.
This is highly dependent on the type of program you are listening too. A heavily compressed electronic tune could go above 100dB SPL at full volume, but an audiobook may go up to only 90dB at full volume. Unfortunately there's not an easy way of finding out how loud your listening level is, unless we can use the same source that you are using.
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