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Reviewed on Apr 03, 2018 , Marc Henney, Yannick Khong

NAD VISO HP50
HEADPHONES REVIEW

Usage Ratings - Version 1.2

Test Benches:

  • 1.2: Winter 2018
  • 1.1: Summer 2017
  • 1.0: Winter 2017
  • 0.9: Winter 2016
6.5
Mixed Usage
What it is: This is the combination of the different use cases to evaluate how versatile the headphones are. Therefore an everyday headphone should be well-rounded enough to adapt to most situations and environments without significant losses in sound quality, design ergonomics or isolation.
Score components:
7.7
Critical Listening
What it is: The level of audio fidelity a headphone can reproduce. Therefore a balanced and true representation of bass, mids, treble, soundstage and imaging, as well as a comfortable listening experience, is essential for critical listening.
Score components:
5.9
Commute/Travel
What it is: How well the headphones handle the loud environments involved in commuting or traveling. Therefore your listening experience should be comfortable, hassle-free and as isolated from noise as possible.
Score components:
6.4
Sports/Fitness
What it is: How well-adapted the headphones are, to use while doing sports or strenuous exercise. Therefore the headphones should not be too cumbersome and deliver a stable and comfortable listening experience.
Score components:
6.1
Office
What it is: How well the headphones can deliver a comfortable and isolated listening experience in an office-like environment. They should not leak much and should block the noise of a busy office.
Score components:
5.9
TV
Score components:
6.7
Gaming
Score components:
Type : Over-ear
Enclosure : Closed-Back
Wireless : No
Noise-Cancelling : No
Mic : Yes
Transducer : Dynamic

The NAD HP50 are good critical listening headphones with a unique look and a decently durable design. They have a well-balanced sound and a stable fit that's good enough for sports, but they're a bit too tight on some heads. They also do not block a lot of noise so they won't be the ideal headphones to use on loud, noisy commutes but on the upside, they do not leak much.

Test Results
Design 6.8
Sound 7.9
Isolation 6.1
Microphone 6.7
Active Features not tested
Connectivity 5.1
Pros
  • Good audio reproduction.
  • Easy-to-use and stable design.
Cons
  • Poor noise isolation.
  • Tight and slightly uncomfortable fit.
  • Bass delivery varies significantly across users. Sensitive to glasses.

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6.8

Design

Score components:
NAD VISO HP50 Design Picture

The Nad Viso HP 50 have a unique look and a decently stylish design that feels well-built. They're lightweight and easy-to-use with a simple control scheme that provides all the essential functions. They're also surprisingly stable for an over-ear due to their tight fit. Unfortunately, this also makes them somewhat uncomfortable during longer listening sessions. They make your ears fairly warm if you use them while exercising, and their somewhat bulky design doesn't fold into a compact format to make them easier to carry around on your person. On the upside, they come with a pretty sturdy hard case, and they're well-padded, making the tight fit a bit more bearable.

Style
NAD VISO HP50 Design Picture 2

The HP50 have a stylish and unique look that feels well-made. They have a thick, cylindrical headband, and flat, square-ish ear cups that make for a decently low profile fit for an over-ear. Their color scheme also stands out with a brushed aluminum finish for the headband frame and bright red plastic casings for the ear cups. Overall, they're an eye-catching headphone, but the casings of the ear cups feel a bit cheap once in your hands.

6.5 Comfort
What it is: Adjustability and degrees of freedom, pressure, stiffness and weight.
When it matters: When the headphones are going to be used for long durations.
Score components: Subjectively assigned
NAD VISO HP50 Comfort Picture
Weight : 0.6 lbs
Clamping Force
What it is: The force that the headphones exert on your head, once you have them on. This is purely a measurement of the force applied, which does not take into account the earpad's surface area and the resulting pressure you will feel, on or around your ears.
When it matters: The tighter the headphones, the more force they put on your head. This can get uncomfortable or cause pain and soreness during long listening sessions.
:
1.4 lbs

The NAD Viso HP 50 are well-padded and decently lightweight but uncomfortably tight. They should be good enough for casual listening, and the large ear cups fit well around most ears. Unfortunately, the headband doesn't extend far enough to accommodate all head shapes and sizes, and the hinges swivel in the opposite direction of typical over-ear headphones, like the BeoPlay H6. However, unlike the H6, the swivel stops at 90 degrees with no leeway in the range of motion which contributes to the tight feel of these headphones. On the upside, the soft pads of the ear cups makes the tight fit somewhat bearable but they won't be the most comfortable headphones to wear for very long listening sessions.

7.2 Controls
What it is: The control scheme of the headphones, the number of functions provided, button layout and ergonomics as well as the quality of tactile feedback.
When it matters: If you want to control volume, pause your music or make phone calls without directly interacting with your audio device.
NAD VISO HP50 Controls Picture
Ease of use : Good
Feedback : Average
Call/Music Control : Yes
Volume Control : Yes
Microphone Control : No
Channel Mixing
What it is: Being able to mix audio channels directly on the headphones.
When it matters: This is most useful when using a separate chat software so that you can mix in-game audio and chat audio depending on your needs.
:
N/A
Noise Canceling Control : N/A
Talk-Through : N/A
Additional Buttons : No

The NAD Viso have a simple 3 button set-up that provides all the basic functions; Call/music, track-skipping, and volume control. They do not have any additional features, but the in-line remote buttons are responsive and deliver decent feedback.

6.3 Breathability
What it is: How hot the headphones get when you wear them for an extended period of time.
When it matters: If you often have long listening sessions or use your headphones while doing physical activities like running or working out.
Score components:
NAD VISO HP50 Breathability After Picture
Avg.Temp.Difference : 6.1 C

The Nad HP50, like most closed-back over-ear headphones, will make your ears a little warm after an hour of continuous listening. It's about average for an over-ear with faux leather padding and closed-back ear cups, but this also means they won't be ideal for more strenuous activities. They will make you sweat a bit more than average.

6.2 Portability
What it is: The volume of space occupied by the headphones when folded into their most compact format.
When it matters: If you're often on the move and need to carry your headphones in a bag, purse , or pocket.
Score components:
NAD VISO HP50 Portability Picture
L : 7.8 "
W : 5 "
H : 2.3 "
Volume : 86 Cu. Inches
Stand required : N/A

The Nad Viso HP 50 are not the bulkiest over-ears, but they do not fold into a compact format to save space. The ear cups lay flat which could be handy in some situations but doesn't make them more portable. They're too cumbersome to casually carry around on your person unless you have a bag or backpack.

7.5 Case
What it is: The provided carrying options to protect your headphones when transporting them.
When it matters: To prevent damaging your headphones, if you often carry them in your bag or pocket.
Score components: Subjectively assigned
NAD VISO HP50 Case Picture
Type : Hard case
L : 8.1 "
W : 5.3 "
H : 2.5 "
Volume : 107.3 Cu. Inches

These headphones come with a good hard case that will shield the headphones against impacts drops and scratches. Unfortunately, the case, like the headphones, is bulky and not very portable.

7.0 Build Quality
What it is: Durability, material quality, cheap/expensive feel.
When it matters: When the headphones are going to be used by multiple users (classes/studios), by children, in tough conditions, on a daily basis, or for exercise.
Score components: Subjectively assigned
NAD VISO HP50 Build Quality Picture

The build quality of the HP50 is decent but not great. They have a sturdy and flexible headband that's reinforced with an aluminum frame which makes them decently durable. The hinges also feel sturdy and not loose like some of the other over-ear headsets we've tested. Unfortunately, the ear cups, although dense, are covered in a plastic casing that doesn't feel as durable as the rest of the design. Also, where the ear cups and the hinges meet has a limited swivel range which may cause the plastic casing to crack under moderate stress. Overall the build quality is decent but not as sturdy as the Oppo PM-3 or the Beoplay H6.

7.5 Stability
What it is: How the headphones are designed to prevent them from slipping off your ears or falling off your head.
When it matters: If you plan on using the headphones while doing sports or other physical activities that requires a lot of movement.
Score components: Subjectively assigned
NAD VISO HP50 Stability Picture

These headphones have a tight fit on the head which doesn't move around much once you have them on. They're stable enough for jogging and come with a detachable audio cable that will disconnect if it gets hooked on something. However, since they're still fairly bulky over-ears, they will not be the most suitable headphones for intense exercises and workout routines. For example, lying down for a bench press or leaning at an angle will sometimes make the headband shift, which may need readjusting, but compared to other over-ears they should be stable enough for running.

Cable
NAD VISO HP50 Cable Picture
Detachable : Yes
Length : 3.5 ft
Connection : 1/8" TRRS

These headphones come with two cables; a 1/8" TRRS audio cable with an in-line remote and a 1/8" TRS cable.

Top
Headshots 1
Headshots 2
7.9

Sound

What it is: How accurately the audio is reproduced. The tests are performed with the headphones' most commonly used features enabled (noise-cancelling, wireless, etc.)
NAD VISO HP50 Frequency Response

The NAD Viso HP50 is a very good sounding pair of closed-back over-ear headphones. They have a deep and punchy bass, with just the right amount of thump and rumble. Their mid and treble ranges are quite neutral and well-balanced, which is important for a good reproduction of vocals and lead instruments. However, their bass delivery is prone to inconsistencies, especially if you wear glasses and they could also sound a bit thick on vocals and muddy in the mid-range. Also, their treble is a bit recessed and lacking in detail, and like most other closed-back headphones, they don't have a large and speaker-like soundstage. On the upside, they have excellent imaging.

8.6 Bass
What it is: Frequency Response from 20Hz-250Hz
When it matters: When the material is heavy on bass frequencies, such as those of kick drums and bass guitar.
Score components:
NAD VISO HP50 Bass
Std. Err.
What it is: The amount of deviation (weighted standard error) in bass frequency response (20Hz-250Hz) as compared to a target response that would sound perfectly balanced to most people.
When it matters: When a balanced and neutral (reference) bass performance is desired.
Good value: <4dB
Noticeable difference: 0.1dB
:
2.08 dB
Low-Frequency Extension
What it is: The lowest frequency at which the frequency response reaches -3dB of the target response.
When it matters: Shows how extended the bass is.
Good value: <40Hz
Noticeable difference: 5Hz
:
10 Hz
Low-Bass
What it is: The average amount of over/under-emphasis in frequency response from 20Hz-60Hz.
When it matters: Kick drums and low frequency effects get their 'thump' from this range. Mostly felt than heard.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-0.81 dB
Mid-Bass
What it is: The average amount of over/under-emphasis in frequency response from 60Hz-120Hz.
When it matters: Melodic bass instruments have most of their fundamental frequencies in this range. This is where the 'body' and 'punch' of the bass sits.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
0.26 dB
High-Bass
What it is: The average amount of over/under-emphasis in frequency response from 120Hz-250Hz.
When it matters: Most instruments get their warmth and full-ness from this range. When over-emphasized, mixes tend to get muddy and boomy.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
3.56 dB

The Nad Viso HP50 have a great bass. Their LFE (low-frequency extension) is at 10Hz, which is excellent. Accordingly, sub-bass is within 0.8dB of our neutral target, indicating a deep bass with just the right amount of thump and rumble common to bass-heavy genres like Dubstep, Hip-hop, and film scores. Mid-bass is also flat and well-balanced, which is important for producing the body of bass guitars and the punch of kick drums. However, high-bass, is overemphasized by about 4dB, adding a bit of clutter and boominess to the mix. Also, their bass delivery varies significantly across users, and is sensitive to the quality of fit, seal, and whether you wear glasses. The response here represents the average bass response and your experience may vary.

8.2 Mid
What it is: Frequency Response from 250Hz-2KHz
When it matters: When the material is heavy on mid-range frequencies. This is the case for the majority of audio content.
Score components:
NAD VISO HP50 Mid
Std. Err.
What it is: The amount of deviation (weighted standard error) in mid frequency response (250Hz-2.5KHz) as compared to a target response that would sound perfectly balanced to most people.
When it matters: When a balanced and neutral (reference) mid performance is desired.
Good value: <4dB
Noticeable difference: 0.1dB
:
2.36 dB
Low-Mid
What it is: The average amount of over/under-emphasis in frequency response from 250Hz-500Hz.
When it matters: Most instruments have their fundamentals or low harmonics in this range. Over-emphasis in this range sounds muddy and cluttered. Under-emphasis, thins out the vocals and lead instruments.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
3.1 dB
Mid-Mid
What it is: The average amount of over/under-emphasis in frequency response from 500Hz-1KHz.
When it matters: This range is occupied mostly by upper harmonics. Over-emphasis sounds forward and boxy. Under-emphasis pushes instruments to the back of the mix.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
1.73 dB
High-Mid
What it is: The average amount of over/under-emphasis in frequency response from 1KHz-2KHz.
When it matters: Most instruments, especially vocals, get their intensity and clarity from this range. Over-emphasis sounds honky and harsh, under-emphasis sounds weak and distant.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
1.23 dB

The mid-range is very good. The 3dB bump in low-mid is actually the continuation of the high-bass overemphasis, which thickens vocals a bit and adds some muddiness to the mix. Mid-mid and high-mid are relatively flat, but over our neutral target by about 1.5dB, making the overall sound a tad mid-rangy.

8.7 Treble
What it is: Frequency Response from 2KHz-20KHz
When it matters: When the material is heavy on high-range frequencies, such as voice, cymbals, and any other material where brightness, brilliance and airiness is desired.
Score components:
NAD VISO HP50 Treble
Std. Err.
What it is: The amount of deviation (weighted standard error) in treble frequency response (2.5KHz-20KHz) as compared to a target response that would sound perfectly balanced to most people.
When it matters: When a balanced and neutral (reference) treble performance is desired.
Good value: <4dB
Noticeable difference: 0.1dB
:
2.65 dB
Low-Treble
What it is: The average amount of over/under-emphasis in frequency response from 2KHz-5KHz.
When it matters: Almost all instruments rely on this range for their presence, detail, and articulation. Over-emphasis can sound harsh and painful. Under-emphasis hurts the comprehensibility of vocals and lead instruments.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-1.24 dB
Mid-Treble
What it is: The average amount of over/under emphasis in frequency response from 5KHz-10KHz.
When it matters: This is the sibilance range. Cymbals, vocals, and lead instruments rely on this range for brightness and presence. Over-emphasis sounds piercing and painful, under-emphasis sounds dull and lispy.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-1.19 dB
High-Treble
What it is: The average amount of over/under-emphasis in frequency response from 10KHz-20KHz.
When it matters: This range gives brilliance and airiness to the sound. Over-emphasis sounds hissy, under-emphasis sounds closed-up and lifeless.
Good value: +/-3dB
Noticeable difference: 0.1dB
:
-5.9 dB

The treble of the Viso HP50 is great. The response is quite flat, but slightly uneven throughout the range. Low-treble and mid-treble are underemphasized by 1.2dB, placing the level of detail, brightness, and presence of vocals, lead instruments, and cymbals just south of neutral.

Raw Frequency Response
What it is: The average uncompensated frequency response of the headphone. For in-ears and earbuds, this corresponds to the average of 5 measurements/re-seats on the dummy head (HMS). For over/on-ear headphones, this corresponds to the average of 5 measurements/re-seats on the HMS (Head Measurement System) for the mid and treble ranges, and 5 measurements/re-seats on 5 human subjects for the bass range.
When it matters: This is for those who want to see the raw and uncompensated frequency response of the headphone. Some of the more advanced users, are able to read and evaluate headphone frequency response in its raw form and without compensation. This will be especially useful to them if they have their own headphone compensation/target curve, which may differ from the compensation curve/target response used by RTINGS.com.
Score components:
5.7 Frequency Response Consistency
What it is: The amount of deviation of each frequency response pass, from the average frequency response.
When it matters: Shows how consistently the headphones perform after re-positioning them.
Score components:
NAD VISO HP50 Consistency L NAD VISO HP50 Consistency R
Avg. Std. Deviation
What it is: The average amount of deviation in frequency response of 5 re-seats, from the average frequency response.
When it matters: Shows how consistently the headphones perform after re-positioning them.
Good value: <0.5
Noticeable difference: 0.1
:
1.09 dB

The frequency response consistency is sub-par. In the bass range, the maximum amount of deviation on our five human subjects at 20Hz is more than 12dB, which is quite noticeable. The drop in bass was especially pronounced on the subject who wears glasses. So if you have long hair or wear glasses that could break the air-tight seal between the headphones and your ears, you could experience a decrease in bass delivery. However, they are decently consistent in their treble delivery across multiple re-seat, with the maximum deviation of about 3dB below 10KHz.

8.8 Imaging
What it is: Imaging qualities are inherent to the audio content, the headphones have to 'reproduce' them rather than 'create' them. They determine how accurately the objects are positioned in the stereo image, and how transparent the imaging is.
When it matters: When accurate positioning of the objects in the stereo image, and clear and transparent imaging is desired.
NAD VISO HP50 Group Delay NAD VISO HP50 Phase Response
Weighted Group Delay
What it is: The average amount of group delay calculated based on a perceptual weighting filter. Group delay indicates how long it takes for each frequency to reach their maximum amplitude. This is a monaural quality and can be perceived even with one ear.
When it matters: Headphones with lower group delay have more transparent imaging and a tighter bass. Headphones with higher group delay in the bass range tend to have a wimpy and loose bass, and headphones with higher group delay in the treble range tend to have a less transparent imaging.
Good value: <0.5
Noticeable difference: 0.1
:
0.19
Weighted Amplitude Mismatch
What it is: The Left/Right balance of our test unit, that is, the amount of amplitude difference between the left and right drivers. This is not a design test, but a marker for manufacturing tolerance and ergonomics.
When it matters: When a properly balanced stereo image and low manufacturing tolerance is desired. A poor score indicates a noticeable difference in level between the left and right drivers.
Good value: <1.5
Noticeable difference: 0.1
:
0.57
Weighted Frequency Mismatch
What it is: The amount of difference (Std. Err.) between the frequency response of the left and right drivers of our test unit. This is not a design test, but a marker for manufacturing tolerance and ergonomics.
When it matters: When an even and stable stereo image, as well as a low manufacturing tolerance, is desired. A poor score indicates there may be 'holes' in the stereo image at certain frequencies.
Good value: <2
Noticeable difference: 0.1
:
1.27
Weighted Phase Mismatch
What it is: The amount of difference (Std. Err.) between the phase response of the left and right drivers of our test unit. This is not a design test, but a marker for manufacturing tolerance and ergonomics.
When it matters: When an even and stable stereo image, as well as a low manufacturing tolerance is desired. A poor score indicates there may be inaccuracies in the stereo image reproduction at certain frequencies.
Good value: <16
Noticeable difference: 3
:
6.0

The imaging is great. Their weighted group delay is at 0.19 which is very good. The GD graph also shows that the entire group delay response is below the audibility threshold. This indicates a tight bass and a transparent treble reproduction. Additionally, the L/R drivers of our test unit were very well-matched in amplitude, frequency, and phase responses, which is important for the accurate placement and localization of objects (voices, instruments, and video game effects), in the stereo image.

6.2 Soundstage
What it is: Soundstage qualities are not inherent to the audio content, the headphones have to 'create' them rather than 'reproduce' them. They determine whether the sound is perceived to be coming from inside or in front of the head, how open and spacious the soundstage is, how much the headphones acoustically interact with the environment, and how strong the phantom center is.
When it matters: When an accurately produced, large and spacious soundstage, similar to that of a stereo loudspeaker setup is desired.
NAD VISO HP50 PRTF
PRTF Accuracy (Std. Dev.)
What it is: The standard deviation of the PRTF (Pinna-related transfer function) of the headphones compared to a reference loudspeaker's PRTF at 30°. This quality is monaural and can be perceived even with one ear. This test does not apply to in-ears and earbuds, due to the lack of pinna interaction.
When it matters: An accurate pinna activation is mainly responsible for how natural and speaker-like the soundstage is perceived to be. The less error in the shape of the PRTF, the more natrual and speaker-like the perception of the soundstage will be. High amounts of error may indicate a soundstage that is unnatural or odd.
Good value: <2.5
Noticeable difference: 0.1
:
4.06 dB
PRTF Size (Avg.)
What it is: The average amplitude of the PRTF (Pinna-related transfer function) of the headphones compared to that of a reference loudspeaker's PRTF at 30°. This quality is monaural and can be perceived even with one ear. This test does not apply to in-ears and earbuds, due to the lack of pinna interaction.
When it matters: This value is responsible for the perceived size of the soundstage. The higher the value, the larger the perceived size of the soundstage. However, values above the reference (5.0dB) could result in a soundstage that is perceived as unnatural or odd.
Good value: >3.7
Noticeable difference: 0.1
:
3.89 dB
PRTF Distance
What it is: The depth of the "10KHz notch" of the headphone's PRTF, which is caused by phase cancellations at the concha. This quality is monaural and can be perceived even with one ear. This test does not apply to in-ears and earbuds, due to the lack of pinna interaction.
When it matters: This value is mainly responsible for the perceived distance and elevation of the soundstage. A small distance value may result in a soundstage that is perceived to be located inside the head. Larger values may help pull the soundstage out from inside of the head and bring it to the front.
Good value: >13
Noticeable difference: 1
:
14.67 dB
Openness
What it is: How open the headphones are, and how open and spacious they sound. This quality is monaural and can be perceived even with one ear. This test differentiates between acoustically and electronically produced crosstalk and only takes the acoustically generated crosstalk into account. This value is the inverse of the Noise Isolation test score, and could be indirectly related the acoustic impedance of the headphones.
When it matters: When a headphone with a sense of an open, and spacious soundstage is desired. A value of 10 indicates a fully open headphone, and a value of 0 indicates a fully closed headphone.
Good value: >7.5
Noticeable difference: 0.5
:
4.7
Acoustic Space Excitation
What it is: How loud the headphones are, and how much they excite their environment acoustically. If the headphones are loud and open enough, the sound leaking from the headphones will be affected by the environment (reflections/reverb) before reflecting back into the open headphones and to the listener's ears. This quality is monaural and can be perceived even with one ear. This value is the inverse of the Leakage test score.
When it matters: Headphones with higher excitation values, similar to openness, tend to have soundstages that are perceived as more open and spacious.
Good value: >7.5
Noticeable difference: 0.5
:
2.5
Correlated Crosstalk
What it is: How strong and solid the phantom center is. This is mostly a stereo quality and its effects on mono content are minimal. This test is sensitive to the phase of the crosstalk and whether it is produced acoustically or electronically.
When it matters: When a true reproduction of the stereo image is desired. A value of 0 indicates no crosstalk, or that the existing crosstalk is not correlated enough to affect the phantom center. A negative score means the crosstalk is out of phase with the original signal, resulting in a slightly wider stereo image at the expense of creating a 'hole' at the center of the stereo field. A positive score means the crosstalk is in phase and positively affecting the phantom center.
Good value: >1dB
Noticeable difference: 0.3dB
:
0.0 dB

The soundstage is mediocre. The PRTF graph shows a average amount of pinna interaction, and there is even a good amount of depth to the 10KHz notch. However, the accuracy of the activation is not good. This results in a soundstage that may be perceived as small, but not located entirely in the head. Additionally, due to their closed-back design, their soundstage won't feel as open and spacious as that of an open-back headphone.

8.1 Total Harmonic Distortion
What it is: The subtle, unwanted frequencies (harmonics) produced alongside the intended frequencies.
When it matters: When clean and pure sound reproduction is desired, though its effect is not as noticable as frequency response.
Score components:
NAD VISO HP50 Distortion
Weighted THD @ 90
What it is: The overall amount of harmonic distortion measured at 90dB SPL. To make the score more perceptually relevant, more weight is given to the higher frequencies.
When it matters: How pure the sound is at moderate listening levels.
Good value: <0.100
Noticeable difference: 0.1
:
1.283
Weighted THD @ 100
What it is: The overall amount of harmonic distortion measured at 100dB SPL. To make the score more perceptually relevant, more weight is given to the higher frequencies.
When it matters: How pure the sound is at loud listening levels.
Good value: <0.300
Noticeable difference: 0.1
:
0.563

The harmonic distortion performance of the NAD HP50 is great. The overall amount of THD is quite low, throughout the range. The lower amount of THD in the bass range at 100dB SPL could be either due to noise in our system, but could also be due to the tightening of the diaphragm under heavier loads. The sharp peaks in the treble range however, could make the sound of those frequencies a bit harsh and brittle.

6.1

Isolation

Score components:

The Nad Viso HP50 are passive headphones that do not block a lot of noise. The ear cups create a fairly decent seal around of your ears, which prevents a good amount of leakage and higher frequencies from seeping into your audio. Unfortunately, like most passive designs, they cannot cancel the low rumbling noise of an engine or the ambient chatter of a noisy environment so they won't be the best headphones to use on busy commutes or in a loud, lively office. On the upside, since they do not leak much, you can mask some of the ambient noise by playing your music at higher volumes.

5.2 Noise Isolation
What it is: How much outside noise is blocked out by putting the headphones on.
When it matters: If the headphones are going to be used in a noisy envinronment (airplane, subway, etc.)
Score components:
NAD VISO HP50 Noise Isolation
Isolation Audio
What it is: The simulated noise isolation of the headphones, demonstrating how much outside noise is blocked out by putting the headphones on. This recording is created using an EQ and is not an actual recording. For headphones with ANC (active noise cancellation), the playback simulates the isolation with ANC enabled.
When it matters: When the headphones are going to be used in a noisy envinronment (airplane, subway, etc.)
:
Overall Attenuation
What it is: The overall amount of environmental noise reduction in dB.
When it matters: In loud envinronments like planes, trains, offices, etc.
Good value: <-20dB
Noticeable difference: 1dB
:
-11.96 dB
Bass
What it is: The overall amount of noise isolation in the bass range (20Hz-250Hz).
When it matters: When the outside noise is bass-heavy, like in airplanes.
Good value: <-15dB
Noticeable difference: 1dB
:
0.93 dB
Mid
What it is: The overall amount of noise isolation in the mid-range (250Hz-2.5KHz).
When it matters: When the environment's noise is mid-heavy, like in an office.
Good value: <-15dB
Noticeable difference: 1dB
:
-5.47 dB
Treble
What it is: The overall amount of noise isolation in the treble range (2.5KHz-20KHz).
When it matters: When the environment's noise is treble-heavy. Although uncommon, areas with sharp sounds fall under this category.
Good value: <-30dB
Noticeable difference: 1dB
:
-31.66 dB
Self-Noise
What it is: The amount of noise created by the active electronics of the headphones (if applicable), measured from 300Hz-20KHz. Applies mostly to wireless and noise-cancelling headphones.
When it matters: If too loud, it could become distracting when listening to quiet material like podcasts and audiobooks.
Good value: <16dB
Noticeable difference: 1dB
:
0 dB

The isolation performance is sub-par. The Nad Viso HP50 don't have ANC (active noise cancellation) and isolate passively using only their ear cups. Therefore, they don't isolate in the bass range and will let in all the rumble of airplane and bus engines. In the mid-range, where most of the speech sits, they achieved about 5dB of isolation, which is inadequate. In the treble range however, which is occupied by sharp S and T sounds, they achieved about 32dB of isolation, which is good.

7.8 Leakage
What it is: The amount of sound bleeding out of the headphones.
When it matters: When the listener doesn't want people around them (in office, recording studio, etc.) to hear what is being listened to.
Score components:
NAD VISO HP50 Leakage
Leakage Audio
What it is: The simulated sound leakage heard 1 foot away from the user, while the user is listening to a 100dB SPL signal. This recording is created using an EQ and is not an actual recording.
When it matters: When you don't want people hear what you are listening to.
:
Overall Leakage @ 1ft
What it is: The amount of sound leakage heard 1 foot away from the user, while the user is listening to a 100dB SPL signal.
When it matters: When you don't want people hear what you are listening to.
Good value: <35dB
Noticeable difference: 1dB
:
34.95 dB

The leakage performance is very good. The significant portion of their leakage is between 400Hz and 3KHz, which is a relatively broad range and covers portions of both the mid and treble ranges. However, the overall level of leakage is very low. With the music at 100dB SPL, the leakage will peak at around 45dB SPL at 1 foot away, which is below the noise floor of most offices.

6.7

Microphone

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

The NAD Viso HP50 has an average microphone. In quiet environments, speech recorded or transmitted with this mic will sound noticeably thin, but quite detailed and easily understandable. In noisy environments, however, they will struggle to separate speech from background noise in loud places like a subway station. But they will perform well in quiet and moderately loud situations.

7.0 Recording Quality
What it is: Microphone recording quality shows how natural, neutral, extended and intelligible speech would be with the device under test, in a quiet environment.
When it matters: A microphone with a good recording quality ensures that the person listening to you would hear a full, clear, and easily understandable speech. Therefore, it is important whenever a good quality of speech transmission and intelligibility is needed.
Score components:
NAD VISO HP50 Microphone Frequency Response
Recorded Speech
What it is: Actual audio recording of the headphone's microphone, recorded while placed on the dummy head, with speech being played back through the dummy head's mouth simulator.
When it matters: When a clean, full, and intelligible speech transmission is required.
:
LFE
What it is: Low-frequency extension shows how deep the bass response of the microphone is, and therefore, how deep and full your voice would sound to the listener. It is the lowest frequency at which the frequency response reaches -3dB of the target response.
When it matters: LFE is not a big factor in speech intelligibility and even speech recorded with a mic that has an LFE of 500Hz could still be easily understood. Therefore, it is mostly important if you are concerned with how deep and full your voice would be heard.
Good value: <150Hz
Noticeable difference: 30Hz
:
507.97 Hz
FR Std. Dev.
What it is: Frequency Response Standard Deviation shows how accurately and balanced sound is captured by the microphone at each frequency. FR Std. Dev. is calculated between LFE and HFE, and the rest of the spectrum is ignored.
When it matters: A good frequency response is desired when a natural and neutral speech quality is desired. As opposed to HFE which is more a metric for speech intelligibility, frequency response could be considered as a metric for a natural and neutral sound.
Good value: >3.5dB
Noticeable difference: 0.5dB
:
3.79 dB
HFE
What it is: High-frequency extension is the highest frequency at which the frequency response reaches -3dB of the target response. It shows how extended the treble response of the microphone is.
When it matters: HFE is one the most important factors in speech intelligibility. The higher the HFE, the brighter, more open, and more extended the speech quality will be which makes it a lot easier to understand by the listener.
Good value: >8KHz
Noticeable difference: 1KHz
:
16491.42 Hz
Weighted THD
What it is: The unwanted frequencies (harmonics) produced alongside the intended frequencies, which cause deformation of an output signal compared to its input.
When it matters: When clean and pure sound reproduction is desired, though its effect is not as noticable as frequency response.
Good value: <1.5
Noticeable difference: 1.0
:
0.582
Gain
What it is: Shows how much louder the microphone can go above our reference loudness level. The gain value is reported relative to our reference level, which is 94dB at a distance of 5cm from the mouth.
When it matters: A microphone with a high gain is important when the input signal (speech) is very quiet. For example when whispering, or talking on the phone in a library.
Good value: >18dB
Noticeable difference: 3dB
:
21.22 dB

The Viso HP50's mic has a decent recording quality. The LFE (low-frequency extension) of 508Hz suggests that speech recorded or transmitted with this microphone will sound noticeably thin. The HFE (high-frequency extension) of 16KHz is excellent and along with the mostly flat response means that speech will have the right amount of detail and brightness. The dip around 10KHz negatively affects the presence of sibilances (S and Ts), but it won't affect the intelligibility of speech.

6.4 Noise Handling
What it is: How well the microphone is able to separate speech from background noise, so that the transmission would include more voice and less noise.
When it matters: When a clean and intelligible speech transmission is desired in a noisy situation like talking on the phone on a busy street or on the bus.
Score components:
NAD VISO HP50 SpNR
Speech + Pink Noise :
Speech + Subway Noise :
SpNR
What it is: Speech to Noise Ratio is the difference in level between speech and background noise as heard by the listener
When it matters: If the microphone is going to be used in a noisy environment, it is important for it to be able to separate the speech from background noise, so the voice would be easily audible and understandable.
Good value: >24dB
Noticeable difference: 3dB
:
16.34 dB

The in-line microphone of the Viso HP50 is below-average at noise handling. In our SpNR test, they achieved a speech-to-noise ratio of 16dB. This means they perform best in quiet and moderately loud environments, but they will struggle to separate speech from ambient noise in very loud places.

N/A

Active Features

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

These headphones are passive with no active components. Therefore, they do not have a battery life and unfortunately no app support for added customization options.

N/A Battery
What it is: The power source of your headphones. All headphones with active features have a battery that will deplete over time.
When it matters: To continue using the active features of your headphones. Some models lose features or switch off completely when the battery is drained, which limits what you can do with them until the next charge.
Battery Type
What it is: The type of battery that the headphones use. Usually AAA or embedded, Li-ion rechargeable batteries.
When it matters: When your headphones run out of power. Rechargeable batteries usually charge via the headphones Micro-USB port whereas AAA batteries have to be replaced or charged with an external device.
:
N/A
Battery Life
What it is: The amount of time it takes for a headphones' battery to be completely drained. Battery life will vary depending on the active features used and volume level.
When it matters: For active headphones that connect wirelessly, have noise cancellation or other audio-enhancing features, that cease to work once the battery is dead.
Good value: >10hrs
Noticeable difference: 0.5hrs
:
N/A
Charge Time
What it is: The amount of time your active headphones have to be connected to a power source to charge from 0 to a 100%. However, charging time will vary depending on your power source.
When it matters: To be able to use the active features of your headphones. Especially, wireless ones that completely switch off and need to be recharged when the battery is dead.
Good value: 2h or less
Noticeable difference: 0.25h
:
N/A
Power Saving Feature
What it is: A feature that turns off the headphones, after a set time, when they're not in use.
When it matters: To prolong battery life when the headphones are not being used, or if you forget to manually turn off your headphones.
:
N/A
Audio while charging
What it is: Some active headphones remain usable while charging. They continue to stream audio and do not disable other active features.
When it matters: This makes sure that your headphones's battery are not being drained when your relatively close to a power source. However, this means wireless headphones will need a wired connection to the power source during the charging process.
:
N/A
Passive Playback
What it is: Active headphones that still work when all their active features are turned off or out of power.
When it matters: If you run out of power and do not have spare AA/AAA batteries or access to a power source to recharge your headphones.
:
N/A

The HP50 does not require a battery.

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

These headphones do not have a compatible app or software. If you want a wired headphone with app support, try the Logitech G430.

5.1

Connectivity

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

The Nad Viso HP50 only connect via a wired 1/8TRRS audio cable, which does not have microphone compatibility with Xbox One or PS4.

0 Bluetooth
What it is: Bluetooth support for wireless headphones.
When it matters: To connect wirelessly to Bluetooth sources like your phone, tablet, console, PC and TV.
Score components:
  • 80% Multi-Device Pairing
  • 20% NFC
  • <1% PS4 Compatible
  • <1% Xbox One Compatible
Bluetooth Version : N/A
Multi-Device Pairing
What it is: A Bluetooth profile that allows some headphones to be simultaneously connected to multiple Bluetooth sources, and have full call and media support on both/all devices they are connected to.
When it matters: To quickly switch between your Bluetooth sources. For example, switching from your phone to your home or work PC and still have call and media support on both devices.
Good value: 2 devices.
:
N/A
NFC
What it is: Near Field Communication technology that allows you to quickly, pair your headphones with your Bluetooth and NFC-enabled device.
When it matters: This makes pairing with an NFC-enabled device a lot easier than the typical and often tedious hold-to-pair procedure that most wireless headphones have.
Good value: Yes
:
N/A
PS4 Compatible
What it is: Bluetooth compatibility with the PlayStation 4.
When it matters: To connect your headphones wirelessly with your PS4.
Good value: Audio + Microphone
:
N/A
Xbox One Compatible
What it is: Bluetooth compatibility with the Xbox One.
When it matters: To connect your headphones wirelessly with your Xbox one.
Good value: Audio + Microphone
:
N/A

The Nad Viso HP50 do not have any Bluetooth capabilities. If you want Bluetooth compatible headphones, check out our best recommendations here.

7.8 Wired
What it is: The type and compatibility of audio cables for wired and wireless headphones.
When it matters: For all devices with a regular audio jack (line-out) and also compatibility of the in-line remote/boom microphone with consoles and Personal computers.
Score components:
  • 13% Analog
  • 9% USB
  • 26% PS4 Compatible
  • 26% Xbox One Compatible
  • 26% PC Compatible
Cable Tested : iOS
Analog
What it is: A regular 1/8" TRS audio jack or a 1/4 or 1/16 TRS with a 1/8 TRS adapter.
When it matters: For all devices with a line out.
Good value: Yes
:
Yes
USB
What it is: A USB or USB adapter to connect to your devices for audio and microphone.
When it matters: A digital USB adapter usually offers a slight advantages over a regular audio jack, like a DAC, and amplifier module or software support and compatibility with PCs. However it may not be as compatible with consoles.
Good value: Yes
:
No
PS4 Compatible
What it is: PS4 compatibility with a regular 3 or 4 pin 1/8 TRS audio cable.
When it matters: When you want to use a wired headphone with your PS4
Good value: Audio + Microphone
:
Audio Only
Xbox One Compatible
What it is: Xbox One compatibility with a regular 3 or 4 pin 1/8 TRS audio cable.
When it matters: When you want to use a wired headphone with your Xbox One
Good value: Audio + Microphone
:
Audio Only
PC Compatible
What it is: PC compatibility with a regular 3 or 4 pin 1/8 TRS audio cable.
When it matters: When you want to use a wired headphone with your PC.
Good value: Audio + Microphone
:
Audio + Microphone

These headphones have a 1/8TRRS iOS audio cable that does not have microphone compatibility with consoles. If you have a headphone/microphone port on your laptop or tablet then you will have microphone access but for desktops, you may need an adapter.

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

The Nad Viso HP50 do not have a dock. If you need a headset with a dock that also has a wired connection for gaming or watching movies, then consider the SteelSeries Arctis 7.

0 Wireless Range
What it is: Headphones that offer a cable-free listening experience over a wireless network, typically via Bluetooth or radio frequency.
When it matters: If you don't want to be limited by the length of an audio cable. This means having the freedom to move around in your home or office with a much greater range than an audio cable could provide, especially, if the Bluetooth source is heavy or difficult to carry.
Score components:
Obstructed Range
What it is: The range that the wireless headphones can reach before dropping any audio when the Bluetooth source was placed in another room.
When it matters: If you can't or prefer not to carry your Bluetooth source on you, while listening to your audio in an indoor environment. Although, the obstructed wireless range will slightly depend on your home or office layout.
Good value: >35ft
Noticeable difference: 5ft
:
N/A
Line of Sight Range
What it is: The range that the wireless headphones can reach before dropping any audio when in direct line of sight of the Bluetooth device.
When it matters: If you can't or prefer not to carry your Bluetooth source on you, while listening to your audio in a large and open environment.
Good value: 170ft or more
Noticeable difference: 10ft
:
N/A

These headphones do not have a wireless range since they only connect via a regular audio cable with an in-line remote.

10 Latency
What it is: How long it takes for audio to play through your headphones once the audio signal has been sent from a source.
When it matters: When gaming or watching movies. High latency means you will hear the audio much later than the images you see on screen.
Score components:
Default Latency
What it is: The Base RF latency or the default sub-band coding (SBC) of most Bluetooth headphones.
When it matters: When watching videos a high latency can cause sync issues between the images you see and the audio you hear.
Good value: 50ms or less
Noticeable difference: 15ms
:
0 ms
aptX Latency
What it is: An audio coding algorithm (Codec) that improves bit rate efficiency. It reduces latency and improves sound quality over Bluetooth.
When it matters: For better sound quality if your often streaming music over Bluetooth. Also it slightly improves latency when watching videos with wireless headphones.
Good value: 50ms or less
Noticeable difference: 15ms
:
N/A
aptX(LL) Latency
What it is: Low latency variation of aptX that significantly reduces sync issues between video and sound when using Bluetooth headphones.
When it matters: When watching videos or gaming latency is a lot more noticeable than just listening to music.
Good value: 50ms or less
Noticeable difference: 5ms
:
N/A

These headphones have a wired connection with negligible latency.

In the box

NAD VISO HP50 In the box Picture

  • Nad Viso HP50 Headphones
  • Carrying case
  • Cable pouch
  • Audio cable (x2)
  • 1/8" to 1/4" Adapter
  • Airline Adapter
  • Manual

Compared to other Headphones

NAD VISO HP50 Compare Picture

The Nad HP50 have a simple, wired design that's easy-to-use and decent for most use cases. They have a good, well-balanced sound for critical listening and a unique look that stands out and feels sufficiently well-made. Unfortunately, they're a bit too tight on the head for some listeners, and their build quality doesn't feel as durable as some of the other closed-back critical listening headphones that we've tested. They also struggle a bit in loud environments so they won't be the best headphones for noisy commutes.

B&O PLAY H6

The Beoplay H6 are well-designed headphones with a better build quality than the Viso HP50. They're slightly lighter, more comfortable and feel more premium than the Viso but they also have a worse sound quality that's not as balanced in the treble range. If you care more about comfort and a more polished design, go for the B&O Play H6, however, they do not sound as good as the NAD Viso and they're considerably pricier for almost the same performance overall.

Oppo PM-3

The Oppo PM-3 is one of the few planar magnetic closed-back headphones. They have a better build quality that feels more high-end than the HP50s. They're also considerably more comfortable with a looser fit and better ear cup pads that you can wear for hours and not feel any fatigue. Sound-wise, the Oppos are a little sharper which may sound a bit piercing on already bright tracks but they deliver more bass and a better-balanced mid-range. The NAD Viso are significantly cheaper than the PM-3, but the tight fit may be a deal breaker for some. If you have the budget, the Oppos are a great alternative, with a more durable build quality.

Sennheiser HD 600

The Sennheiser HD 600 are good listening headphones with an open sound and a balanced mid-range. They do not have as much bass so they may not appeal to all listeners, they're also limited by their open design so they won't be suitable at all for commuting and loud environments. In this case, your choice will depend more on what you need as a critical listening headphone. If you want something versatile that you can also use outdoors and for other use cases then get the NAD Viso HP50. However, if you're main use is just critical listening, then the more comfortable fit of the HD 600 and the better open sound may be worth the higher price tag.

Sennheiser HD 598 Cs

The Sennheiser HD 598 Cs are the closed back variant of the popular HD 598. They have a decently balanced sound that's slightly sharper than the HP50 but is still great for critical listening. They have a good over-ear fit, with well-padded ear cups that are a lot more comfortable than the NAD Viso, but their build quality doesn't feel as durable or as unique. If you want a more comfortable closed-back critical listening headphone, then get the HD 598Cs but the Viso are a great alternative at about the same price.

Conclusion

6.5Mixed Usage
What it is: This is the combination of the different use cases to evaluate how versatile the headphones are. Therefore an everyday headphone should be well-rounded enough to adapt to most situations and environments without significant losses in sound quality, design ergonomics or isolation.
Score components:
The HP50 are average mixed usage headphones. They have a simple, wired design with a well-balanced sound that's good for critical listening. They have a unique and decently durable design, and they're fairly lightweight and stable for an over-ear. Unfortunately, their tight fit may be a bit uncomfortable for some, and they do no block a lot of noise so they won't be suitable for commuting.
7.7Critical Listening
What it is: The level of audio fidelity a headphone can reproduce. Therefore a balanced and true representation of bass, mids, treble, soundstage and imaging, as well as a comfortable listening experience, is essential for critical listening.
Score components:
Good for critical listening. The Viso HP50 have a well-balanced sound that packs a good amount of bass without drowning the instrumentals and vocals in the mid-range. Their treble frequencies are a little recessed, and the bump in high-bass/low-mid makes their sound feel slightly muddy and boxy overall. They also have a limited soundstage due to their closed-back design, but overall they should sound good enough for most listeners even the more critical ones. Unfortunately, their tight fit may not be comfortable for very long listening sessions.
5.9Commute/Travel
What it is: How well the headphones handle the loud environments involved in commuting or traveling. Therefore your listening experience should be comfortable, hassle-free and as isolated from noise as possible.
Score components:
Below-average for commuting. They have a simple and efficient control scheme, and they're decently lightweight. Their passive noise isolation doesn't block enough noise for loud, noisy environments and they're a bit too bulky and slightly uncomfortable at times.
6.4Sports/Fitness
What it is: How well-adapted the headphones are, to use while doing sports or strenuous exercise. Therefore the headphones should not be too cumbersome and deliver a stable and comfortable listening experience.
Score components:
Average for sports. The Nad Viso HP50 have a tight, stable fit that won't easily fall off your head but they're a bit too bulky for more strenuous exercises and sports. The ear cups also trap a lot of heat which will make your ears sweat rather quickly during workouts.
6.1Office
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:
Average for office use. They don't block that much noise which is not ideal for a busy office. However, they also don't leak much so you won't distract anyone in your vicinity if you listen to your music at louder-than-average levels.
5.9TV
Score components:
Below-average for home theater use. They have an above-average sound for watching movies. They're also wired, so they have negligible latency. Unfortunately, they won't have the best range unless you have an extension cord for the audio cable. They're also a bit tight on the head so they won't be the most comfortable headphones to wear for long movies.
6.7Gaming
Score components:
Average for gaming. They have a low latency wired connection but do not have an app or wireless capabilities which are typical for gaming headsets. They also do not have the best mic for multiplayer gaming. They're also a little tight on the head which may get a bit uncomfortable during long gaming sessions.

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