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Products in this category are scored under Frontum Headphones Methodology v1.0: technical specifications plus authentic consumer ratings, with 0% commercial bias.
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Koss QZ5 Review | 93 Data compared

Avg. price:~£35Form factor:over-earConnectivity:wiredBattery life:N/A hoursActive noise cancellation (ANC):no

Koss QZ5 Review: Compare 93 technical specifications and user reviews to see how this product ranks in the Headphones category and whether it is worth buying.

Koss QZ5
5.9/10

Overall score

Score
5.9/ 10
✕
What it is
An overall evaluation of the headphones' quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best headphones on the market.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 67% of models
Score components

80%

5.4

Technical score

20%

8.2

User score

▼Worse than 67% of headphones
7.1

Value for money

Value for money
7.1/ 10
✕
What it is
An indicator that combines the headphones' overall rating with their cost.
When it matters
When you are looking for headphones that offer a strong balance of performance, features, and price.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 67% of models
Score components

70%

5.9

Overall score

30%

10

Price

▼Worse than 67%
5.4

Technical score

Technical score
5.4/ 10
✕
What it is
An assessment of technical performance for products in the Headphones category across these key areas: Sound, Calls & Controls, Connectivity, Features, Battery, Design.
When it matters
When you want to compare headphones based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 82% of models
Score components

52%

6.1

Sound

20%

4.0

Features

10%

4.6

Design

8%

4.6

Connectivity

6%

5.1

Battery

4%

5.9

Calls & Controls

▼Worse than 82%
8.2

User score

User score
8.2/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the headphones.
When it matters
When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 74% of models
Score components

70%

8.5

User ratings

30%

7.4

Number of reviews

Based on ratings from across the web.
▲Better than 74%
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Where to buy
*As an Amazon Associate, we earn from qualifying purchases.
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of pair of headphones Koss QZ5

Technical score
Technical score
5.4/ 10
✕
What it is
An assessment of technical performance for products in the Headphones category across these key areas: Sound, Calls & Controls, Connectivity, Features, Battery, Design.
When it matters
When you want to compare headphones based on technical performance and available features.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 82% of models
Score components:

52%

6.1

Sound

20%

4.0

Features

10%

4.6

Design

8%

4.6

Connectivity

6%

5.1

Battery

4%

5.9

Calls & Controls

5.4
User score
User score
8.2/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the headphones.
When it matters
When you want to understand how headphones perform in real listening and how reliable they are in terms of comfort, audio quality, battery life, and long-term use.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 74% of models
Score components

70%

8.5

User ratings

30%

7.4

Number of reviews

Based on ratings from across the web.
8.2
Popularity
Popularity
7.4/ 10
✕
What it is
An indicator based on the number of reviews received by the headphones.
When it matters
When you prefer headphones that have already been chosen and reviewed by many other users.
Score distribution
▼
<55-66-77-88-99-10
▲ Better than 69% of models
Popularity:
Koss QZ5 has a popularity score of 7.4 points, which is higher than that of 69.1% of products in this category.
7.4
Value for money
Value for money
7.1/ 10
✕
What it is
An indicator that combines the headphones' overall rating with their cost.
When it matters
When you are looking for headphones that offer a strong balance of performance, features, and price.
Score distribution
▼
<55-66-77-88-99-10
▼ Worse than 67% of models
Score components:

70%

5.9

Overall score

30%

10

Price

7.1
Active noise cancellation (ANC)
no
This pair of headphones does not support active noise cancellation. 27.5% of headphones support active noise cancellation.
Driver type
dynamic
Driver size
40 mm
Market range: <10 mm – >50 mm
This pair of headphones uses a driver size of 40 mm, larger driver size than 28.6% of headphones and equal to 53.3% of headphones.
Number of drivers
1
Market range: <1 – >4
This pair of headphones uses 1 drivers, fewer drivers than 4% of headphones and equal to 96% of headphones.
Lowest frequency
40 Hz
Market range: <5 Hz – >20 Hz
This pair of headphones reaches a lowest frequency of 40 Hz, higher lowest frequency than 99.4% of headphones and equal to 0.3% of headphones.
Show more
Noise-canceling microphone
no
This pair of headphones does not support a noise-canceling microphone. 39% of headphones support noise-canceling microphones.
Can be used as a headset
yes
This pair of headphones is headset-ready, 84.8% is not. 15.2% of headphones can be used as headsets.
Number of microphones
0
Market range: <0 – >4
This pair of headphones has 0 microphones, fewer microphones than 73.2% of headphones and equal to 26.9% of headphones.
Boom microphone
no
This pair of headphones does not include a boom microphone. 13.5% of headphones have a boom microphone.
Microphone SNR
N/A
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Connectivity
wired
This pair of headphones supports wired connectivity, less flexible connectivity than 49.2% of headphones and equal to 50.8% of headphones.
Bluetooth version
N/A
Maximum Bluetooth range
N/A
Audio latency
N/A
Multipoint support
no
This pair of headphones does not support multipoint. 30.6% of headphones support multipoint.
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Ambient sound mode
no
This pair of headphones does not offer ambient sound mode. 24.9% of headphones support ambient sound mode.
EQ support
no
This pair of headphones does not support EQ customization. 23.2% of headphones support EQ.
Companion app
no
This pair of headphones does not work with a companion app. 21.6% of headphones support companion apps.
Adjustable ANC levels
N/A
Voice assistant support
no
This pair of headphones does not support voice assistants. 60.9% of headphones support voice assistants.
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Battery life
N/A
Battery life with ANC
N/A
Charging time
N/A
Quick charge
no
This pair of headphones does not support quick charging. 33.1% of headphones support quick charge.
Battery capacity
N/A
Show more
Brand name
Koss
Form factor
over-ear
Weight
425 g
Market range: <14 g – >340 g
This pair of headphones weighs 425 g, heavier than 96% of headphones and equal to 0.1% of headphones.
Acoustic design
closed-back
Clamp force
?
Show more

Koss QZ5 vs the average pair of headphones

246810TotalDesignSoundBatteryConnectivityCalls & ControlsFeatures
  • Direct 3.5 mm plug
    This pair of headphones includes a direct 3.5 mm plug, the average pair of headphones does not. 39.8% of headphones have a 3.5 mm male connector.
  • On-device controls
    This pair of headphones includes on-device controls, the average pair of headphones does not. 46.8% of headphones support on-device controls.
  • 1.2 m longer cable length
    This pair of headphones offers a more useful cable length than the average pair of headphones (2.4 m vs 1.2 m). The average headphones have a cable length of 1.2 m.
    2.4 m vs 1.2 m
  • Removable battery
    This pair of headphones has a removable battery, the average pair of headphones does not. 7.8% of headphones have a removable battery.
  • 2.57x cheaper
    Koss QZ5 is cheaper than the average pair of headphones (£35 vs £90).
    £35 vs £90
  • 2.57x cheaper
    Koss QZ5 is cheaper than the average pair of headphones (£35 vs £90).
    £35 vs £90
  • 1.2 m longer cable length
    This pair of headphones offers a more useful cable length than the average pair of headphones (2.4 m vs 1.2 m). The average headphones have a cable length of 1.2 m.
    2.4 m vs 1.2 m
  • Removable battery
    This pair of headphones has a removable battery, the average pair of headphones does not. 7.8% of headphones have a removable battery.
  • Direct 3.5 mm plug
    This pair of headphones includes a direct 3.5 mm plug, the average pair of headphones does not. 39.8% of headphones have a 3.5 mm male connector.
  • On-device controls
    This pair of headphones includes on-device controls, the average pair of headphones does not. 46.8% of headphones support on-device controls.
  • 95% higher weight
    This pair of headphones is heavier than the average pair of headphones (425 g vs 218 g). The average pair of headphones weighs 218 g.
    425 g vs 218 g
  • No voice assistant support
    This pair of headphones does not support voice assistants, the average pair of headphones does. 60.8% of headphones support voice assistants.
  • Fixed cable
    This pair of headphones has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • 22 Hz weaker bass extension
    This pair of headphones has a higher lowest frequency than the average pair of headphones (40 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
    40 Hz vs 18 Hz
  • 1 fewer microphones
    This pair of headphones has fewer microphones than the average pair of headphones (0 vs 1). The average headphones have 1 microphones.
    0 vs 1
  • Tangle-prone cable
    This pair of headphones uses a tangle-prone cable, while the average pair of headphones is easier to manage. 64.2% of headphones use a tangle-free cable.
  • No travel bag
    This pair of headphones does not include a travel bag, the average pair of headphones does. 65.4% of headphones include a travel bag.
  • 16 older release date
    This pair of headphones was released earlier than the average pair of headphones (2000 vs 2016). The average headphones were released in 2016.
    2000 vs 2016
  • 1.8% worse value for money
    Koss QZ5 has worse value for money than the average pair of headphones (7.14 vs 7.3).
    7.14 vs 7.27
  • 95% higher weight
    This pair of headphones is heavier than the average pair of headphones (425 g vs 218 g). The average pair of headphones weighs 218 g.
    425 g vs 218 g
  • Fixed cable
    This pair of headphones has a fixed cable, while the average pair of headphones has a detachable one. 62% of headphones have a detachable cable.
  • Tangle-prone cable
    This pair of headphones uses a tangle-prone cable, while the average pair of headphones is easier to manage. 64.2% of headphones use a tangle-free cable.
  • No travel bag
    This pair of headphones does not include a travel bag, the average pair of headphones does. 65.4% of headphones include a travel bag.
  • 22 Hz weaker bass extension
    This pair of headphones has a higher lowest frequency than the average pair of headphones (40 Hz vs 18 Hz). The average headphones reach a lowest frequency of 18 Hz.
    40 Hz vs 18 Hz
  • 1 fewer microphones
    This pair of headphones has fewer microphones than the average pair of headphones (0 vs 1). The average headphones have 1 microphones.
    0 vs 1
  • No voice assistant support
    This pair of headphones does not support voice assistants, the average pair of headphones does. 60.8% of headphones support voice assistants.
  • 16 older release date
    This pair of headphones was released earlier than the average pair of headphones (2000 vs 2016). The average headphones were released in 2016.
    2000 vs 2016

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Not graded yet

Third-party reviews

Based on ratings from across the web.
Reviews last updated: November 2026 · How we calculate this

What customers like about Koss QZ5

  • Effective passive noise reduction through closed Pneumalite™ ear cushions and a secure headband seal.
  • Integrated volume control on the ear cup for quick on-the-fly adjustments.
  • Includes a stereo/mono switch, making it versatile for both music and communication/radio use.
  • Features a long, durable 8-foot coiled cord suitable for various setups.
  • Backed by the Koss Limited Lifetime Warranty for long-term peace of mind.
  • Equipped with neodymium magnets which help provide crisp sound and deep bass.

What customers don't like about Koss QZ5

  • Behind-the-head headband design can be uncomfortable for some users during long sessions.
  • The 60-ohm impedance is higher than many consumer portable headphones, which may require more power for maximum volume.
  • Bulky design and fixed coiled cable make it less portable compared to modern foldable alternatives.
  • Passive isolation only; does not feature active noise cancellation (ANC) to block low-frequency hums like airplane engines.
  • Vinyl ear pads can cause ears to get warm or sweat during extended use.

Verdict

The Koss QZ5 is a wired, full-size headphone designed for high-isolation environments like racing events and metal detecting, featuring passive noise reduction through closed Pneumalite™ ear cushions and a secure behind-the-head strap. Technical specifications include neodymium magnet structures, a frequency response of 40–20,000 Hz, an impedance of 60 ohms, and a sensitivity of 102 dB SPL. Its main pros include an 8-foot coiled single-entry cord for movement, an on-ear cup volume control, a stereo/mono switch for versatile audio output, and the Koss Limited Lifetime Warranty. However, notable cons include its relatively heavy weight of 425g, a lack of active noise cancellation (ANC), and a low-frequency response that starts at 40 Hz, which may lack the deep bass punch found in modern audiophile alternatives.

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