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  1. Table of Contents
  2. Intro
  3. 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
  4. Sound
    1. Bass
    2. Mid
    3. Treble
    4. Frequency Response Consistency
    5. Raw Frequency Response
    6. Soundstage
    7. Imaging
    8. Total Harmonic Distortion
  5. Isolation
    1. Noise Isolation
    2. Leakage
  6. Microphone
    1. Recording Quality
    2. Noise Handling
  7. Active Features
    1. Wireless Range
    2. Latency
    3. Battery
    4. App Support
  8. In the box
  9. Conclusion
  10. Q&A
Reviewed on Nov 30, 2017 , Marc Henney, Yannick Khong

Logitech G533 Wireless Gaming Headset
HEADPHONES REVIEW

Usage Ratings - Version 1.1
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Test Benches:

  • 1.1: Summer 2017
  • 1.0: Winter 2017
  • 0.9: Winter 2016
6.7 Mixed 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:
7.8 Critical 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:
6.0 Commute/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.
5.8 Sports/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.
6.7 Office
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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:
8.1 Home Theater
8.1 Gaming
Type : Over-ear
Enclosure : Closed-Back
Wireless : Yes
Noise-Cancelling : No
Mic : Yes
Transducer : Dynamic

The Logitech G533 are great-sounding gaming headsets, with a good build quality and a comfortable design. They have the best implementation of the Logitech gaming software so far, with a lot of features and customizable options. They also have sufficiently low latency for gaming and watching videos. However, like most gaming headsets, they're not suitable or practical to use outdoor and they're a bit bulky and cumbersome.

Test Results
Design 6.2
Sound 8.0
Isolation 3.7
Microphone 7.3
Active Features 8.6
Pros
  • Great sound quality.
  • Low latency for gaming and home theater.
  • Good active features and app support.
Cons
  • Bulky design.
  • Poor noise and leakage isolation.

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6.2

Design

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Score components:
Logitech G533 Design Picture

The Logitech G533 are decent-looking and comfortable gaming headphones. They feel sturdy enough handle a couple accidental drops without getting damaged, but the hinges are a little loose out-of-the-box. They're also not the ideal headsets to use outdoors. They're bulky and cumbersome, they're limited by the range of their USB transmitter and the non-detachable mic makes them look like gaming headphones and not a casual design you can wear every day. 

Style
Logitech G533 Design Picture 2

The Logitech G533 look like typical gaming headphones. They have a decently stylish design with big, square earcups, a large headband and a two-tone matte and glossy finish that makes them look high-end. However, they're a bit bulky, and the mic is not removable but does fold into a dedicated indentation on the left ear cup. The all-black color scheme is not as flashy as some other gaming headsets, but the understated look will work for most.

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
Logitech G533 Comfort Picture
Weight : 0.8 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.
:
1.1 lbs

The Logitech G533 headset is comfortable but a bit tight on the head. They have large ear cups that will easily fit around most listeners' ears, and they're decently well-padded so although they're a bit tight, they do not exert too much pressure. Unfortunately, they're a little heavy, the ear cups are somewhat shallow and the padding fabric, although breathable, is not the softest on the skin, which may get a bit fatiguing during long gaming sessions.

6.6 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.
Logitech G533 Controls Picture
Ease of use : Above-average
Feedback : Above-average
Call/Music Control : No
Volume Control : Yes
Microphone Control : Adjustable
Noise Canceling Control : N/A
Talk-Through : N/A
Additional Buttons : Presets

These headphones have a decent control scheme for gaming. They have a simple volume dial, a mute switch for the mic, and a multi-function button that's responsive and clicky and can be preset using the Logitech Gaming software. Unfortunately, they also have no controls for mobile support or even changing tracks when directly connected to your PC which is a bit disappointing.

5.5 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
Logitech G533 Stability Picture

The Logitech G533 wireless gaming headset is not stable. These headphones are bulky and may slip off your ears, even during casual listening sessions, if you tilt your head too far back. They're not made for sports or physical activity. On the upside, the wireless design does remove the risk of the headphones getting yanked off your ears because the audio cable got hooked on something.

2.7 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:
Logitech G533 Portability Picture
L : 7 "
W : 7 "
H : 3 "
Volume : 147 Cu. Inches
Stand required : USB

Like most gaming headphones, the Logitech G533 wireless are not the most practical headphones to carry around on your person without a bag. They're big, bulky and do not fold into a more compact format. They're also limited by the range of their USB transmitter. Unfortunately, they also do not come with a good carrying case or pouch which is slightly disappointing.

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
Type : No case
L : N/A
W : N/A
H : N/A
Volume : N/A

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
Logitech G533 Build Quality Picture

In our Logitech G533 review, we've found the build quality of the G533 to be good. However, it has loose hinges that do not feel particularly sturdy. The headband is flexible, well-padded, and has a thin metal frame for support. The ear cups are also decently dense and won't break if you accidentally drop the headphones once or twice. Unfortunately, the hinges are a bit loose out of the box, and large ear cups and relatively narrow headband in comparison makes the hinge the most susceptible weak point of the G533's design.

6.4 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:
Logitech G533 Breathability Before Picture Logitech G533 Breathability After Picture
Avg.Temp.Difference : 5.7 C

Cable
Logitech G533 Cable Picture
Detachable : N/A
Length : N/A
Connection : USB

Comes with a USB transmitter and a USB charging cable.

Front
Angled
Side
Rear
Top
8.0

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.)
Logitech G533 Frequency Response

The Logitech G533 wireless are a very good sounding pair of closed-back, over-ear, gaming headsets. They have a deep and well-balanced bass, a good mid-range and great treble. However, their bass delivery is prone to inconsistencies. Their mid-range sounds a bit cluttered, and their soundstage is average but better than typical closed-back headphones.

9.2 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:
Logitech G533 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
:
1.25 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
:
1.31 dB
Mid-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
:
0.99 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
:
1.61 dB

Excellent bass range performance. LFE is extended down to 10Hz, which is great. The entire range's response is virtually flat, within 1.6dB of our target.

8.1 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:
Logitech G533 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
:
2.54 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 muddy and cluttered. Under-emphasis, thins out the vocals and lead instruments.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
1.42 dB
Mid-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 boxy. Under-emphasis pushes instruments to the back of the mix.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-2.14 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 honky and harsh, under-emphasis sounds weak and distant.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-3.14 dB

Very good mid-range performance. The remarkable thing here is the 5dB tilt favoring the lower frequencies. This will muddy up the sound slightly, and will also decrease the intensity and projection of vocals/leads.

8.7 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:
Logitech G533 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
:
2.58 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
:
-1.11 dB
Mid-Treble
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What it is: The average amount of over/under emphasis in frequency response from 5KHz-10KHz.
When it matters: This is the sibilance range. Cymbals, vocals, and lead instruments rely on this range for brightness and presence. Over-emphasis sounds piercing and painful, under-emphasis sounds dull and lispy.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-0.01 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
:
0.59 dB

Excellent treble range performance. In our Logitech G533 wireless review, the response is very flat up to 8KHz, but under emphasized by a dB or so. The peak at 9KHz could make the S and T sounds a bit piercing.

5.7 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:
Logitech G533 Consistency L Logitech G533 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
:
1.08 dB

Sub-par consistency performance. The maximum deviation in the bass range across our human subjects is about 9dB, which is rather poor. The treble consistency is also below average, most likely due to the ear cup and driver design.

7.1 Soundstage
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What it is: Soundstage qualities are not inherent to the audio content, the headphones have to 'create' them rather than 'reproduce' them. They determine whether the sound is perceived to be coming from inside or in front of the head, how open and spacious the soundstage is, how much the headphones acoustically interact with the environment, and how strong the phantom center is.
When it matters: When an accurately produced, large and spacious soundstage, similar to that of a stereo loudspeaker setup is desired.
PRTF Error
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What it is: The average amount of deviation in Pinna-Related Transfer Function of the headphones, compared to that of a loudspeaker. Whether the soundstage is perceived to be unnatural, located inside or in front of the head, is dependent on this quality. The more the headphones activate the HRTF resonances of the ear (similar to what loudspeakers do), the more the soundstage will be pulled out from inside the listener's head. This quality affects both stereo and mono content.
When it matters: When a natural, in-the-front soundstage is desired, similar to that of a loudspeaker.
Good value: <5
Noticeable difference: 0.5
:
6.1 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
:
8.3
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
:
5.6
Correlated Crosstalk
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What it is: How strong and solid the phantom center is. This is mostly a stereo quality and its effects on mono content are minimal. This test is sensitive to the phase of the crosstalk and whether it is produced acoustically or electronically.
When it matters: When a true reproduction of the stereo image is desired. A value of 0 indicates no crosstalk, or that the existing crosstalk is not correlated enough to affect the phantom center. A negative score means the crosstalk is out of phase with the original signal, resulting in a slightly wider stereo image at the expense of creating a 'hole' at the center of the stereo field. A positive score means the crosstalk is in phase and positively affecting the phantom center.
Good value: >1dB
Noticeable difference: 0.3dB
:
0.0 dB

Average soundstage. The Logitech G553 wireless won't have an out-of-head effect, because of the closed-back design. However, the breathable fabric of the ear cups makes them relatively open sounding.

6.7 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.
Logitech G533 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°
:
61.75 °
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
:
0.32 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
:
3.24 dB
Driver Mismatch (Phase)
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What it is: The amount of difference (Std. Err.) between the phase response of the left and right drivers of our test unit. This is not a design test, but a marker for manufacturing tolerance and ergonomics.
When it matters: When an even and stable stereo image, as well as a low manufacturing tolerance, is desired. A poor score indicates there may be inaccuracies in the stereo image reproduction at certain frequencies.
Good value: <90°
Noticeable difference: 30°
:
72.02 °

Average imaging. Phase error is a bit elevated, but it's mostly in the very high frequencies and not very audible. Additionally, the L/R drivers of our test unit could have been better matched both in phase and frequency response.

7.1 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:
Logitech G533 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
:
1.536
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
:
10.805

Average harmonic distortion performance. The overall response is within good limits, except for the big bump 300Hz which is more pronounced in the left ear cup suggesting it could be a mechanical issue with our test unit.

3.7

Isolation

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Score components:

The Logitech G533 headset does not block a lot of noise and leaks quite a bit at higher volumes. These gaming headphones have porous pads designed for more breathability, but this also makes them more susceptible to noise in loud environments. You will easily hear the ambient chatter in a competition-like setting, and the leakage level may be a bit distracting to those around you in quieter conditions. Overall, they're a bit more suitable if you game alone or if leakage and noise isolation are not that important for you.

3.4 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:
Logitech G533 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
:
-8.26 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
:
0.32 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
:
-3.88 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
:
-21.4 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
:
21.23 dB

Poor isolation. These headsets don't have active noise cancelling, and do not isolate in the bass range. In the mid-range, they reduce ambient noise by about 4dB, which is poor. In the treble range the achieve and isolation of 21dB, which is decent.

4.4 Leakage
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What it is: The amount of sound bleeding out of the headphones.
When it matters: When the listener doesn't want people around them (in office, recording studio, etc.) to hear what is being listened to.
Score components:
Logitech G533 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
:
52.37 dB

Poor leakage performance. The significant portion of leakage sits between 300hz and 4KHz, which is a broad range. The overall level of leakage is not very loud though.

7.3

Microphone

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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:

Decent microphone performance. Speech recorded with the Logitech G533 wireless will sound thin, and rather airless. However, these limitations won't have a large effect on speech intelligibility. In noisy environments, the G533 headset is able to separate speech from voice to a very good degree, making them suitable for loud environments such as competitions.

6.5 Recording Quality
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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:
Logitech G533 Microphone Frequency Response
Recorded Speech
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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
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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
:
530.46 Hz
FR Std. Dev.
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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
:
2.24 dB
HFE
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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
:
6736.4 Hz
Weighted THD
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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
:
0.196
Gain
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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
:
21.18 dB

Average recording quality. Low-frequency extension is at 530Hz, which is poor and will cause speech to sound thin. HFE is at 6.7KHz, which is decent. The area between LFE and HFE is relatively flat, but with a tilt favoring higher frequencies.

8.0 Noise Handling
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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:
Logitech G533 SpNR
Speech + Pink Noise :
Speech + Subway Noise :
SpNR
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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
:
27.98 dB

Very good noise handling. These headsets achieve a speech-to-noise ratio of 28dB, which is great. This makes them a good choice for most environments.

8.6

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 Logitech G533 have a great wireless range and very low latency for gaming and watching videos. They have more customization options with the Logitech Software than the other Logitech headphones and a customizable auto-off timer. They last longer than the G930 at 17hr of battery life on a single charge, which combined with their great power saving features, makes them a good choice for long gaming sessions.

9.2 Wireless Range
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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.
Score components:
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.
:
USB Transmitter
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
:
55 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
:
180 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.
:
N/A

The G533 have an outstanding wireless range. They reached up to 50ft when the signal is obstructed and up to 180ft in direct line-of-sight. This makes them a suitable gaming headset with more than enough range for most gaming setups.

9.7 Latency
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What it is: The latency 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:
Base Latency
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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
:
25 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: 50ms 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

The Logitech G533 headset has 25ms of latency which is excellent for gaming and watching videos.

7.8 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
:
17 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
:
3.6 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.
:
Yes
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 Logitech G533 wireless have a good 17 hours battery life. They take about 3.6 to 4 hours to charge, which is quite a bit of time when compared to Bluetooth headphones, but decent when compared to other gaming headsets. They also automatically turn off if there's no audio playing, to save power, and can be used while charging which is great for gaming marathons if you're close to a power source.

9.0 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
Logitech G533 App Picture
App Name : Logitech Gaming Software
iOS : N/A
Android : N/A
Mac OS : Yes
Windows : 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.
:
Parametric + Presets
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.
:
N/A
Mic Control : Level
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.
:
N/A
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.
:
N/A
Button Mapping : Yes
Surround Sound : DTS 7.1

The Logitech Gaming Software is the most customizable when paired with the G533 headset. You get access to a great parametric equalizer, surround sound effects you can personalize, microphone and volume levels you can set directly from within the software, as well as interchangeable profiles with saved personal settings. You can also map specific actions to the multipurpose button, its not as customizable as the G930 3 mappable buttons but its a pretty useful feature. On the upside, you also get a auto-off timer option not available on the other Logitech G-series headphones which is a definite plus.

Surround Sound

Button Mapping

In the box

Logitech G533 In the box Picture

  • Logitech G533 Headphones
  • USB transmitter
  • USB charging cable
  • Manual

Conclusion

6.7Mixed 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 Logitech G533 have a great sound a comfortable design and low latency. This makes them a good option for gaming watching movies and critical listening. Unfortunately, they don't have a versatile or outdoor friendly design. They're too bulky and impractical for sports, and they don't isolate well enough for commuting.
7.8Critical 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:
Good for critical listening. They have a balanced sound quality, with an excellent bass, and a great representation of instruments and vocals. Unfortunately, their frequency response is a bit inconsistent and may lose a significant amount of bass if you wear glasses. They also do not have the best soundstage due to their closed-back design but thanks to the breathable ear cup pads it's better than most.
6.0Commute/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.
Mediocre for commuting. They have to be within range of the USB transmitter, which is very limiting for commuting. They also do not block much noise and aren't made to be used with mobile devices. However, on a plane, train or a long bus ride you may be able to use them with your laptop or tablet.
5.8Sports/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.
Sub-par for sports. They're bulky headphones not made for running or physical activities. They're decently breathable but also have to be in range of their USB transmitter which means you won't be able to use them outdoors effectively.
6.7Office
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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:
Decent for office use. The Logitech G533 wireless have great customization features, they're comfortable and you can use them while they charge. However, they have poor isolation so they will leak at higher volumes and won't block the noise of a lively office environment.
Great for home theater use. They have very low latency, a good sound and a comfortable fit which makes them good for watching movies and videos.
The G533 are great gaming headphones. They have low latency, a great sound, and a decent mic that filters a lot of noise. They also comfortable, decently breathable, and have great software support. Unfortunately, the mic doesn't always reproduce your voice accurately and the G930 has more mappable buttons which makes them a bit more convenient.
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