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Koss PRO4AA Wired Over Ear Headphones Beige
Headphones

Koss PRO4AA Wired Over Ear Headphones Beige

These headphones are perfect for music lovers and faithful sound reproduction. With the Over Ear type, they feature larger ear cups that comfortably encase your ears, ensuring extended comfort during...

These headphones are perfect for music lovers and faithful sound reproduction. With the Over Ear type, they feature larger ear cups that comfortably encase your ears, ensuring extended comfort during long usage. The external noise isolation is enhanced, allowing you to enjoy your music without interruptions.

Their design contributes to higher quality sound,...

See full description See full description
  • Usage Hi-Fi
  • Connectivity 3.5mm

  • Noise Cancellation

    The method of reducing external noise that the headphones have.

    Active Noise Cancellation (ANC): Uses technology to detect and neutralize external noises, offering clearer sound.

    Passive Noise Cancellation: The shape and materials of the headphones naturally reduce external noises, improving the listening experience.
  • See all
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Product report

Description

Description

These headphones are perfect for music lovers and faithful sound reproduction. With the Over Ear type, they feature larger ear cups that comfortably encase your ears, ensuring extended comfort during long usage. The external noise isolation is enhanced, allowing you to enjoy your music without interruptions.

Their design contributes to higher quality sound, with deep bass that will excite you. They are perfect for Hi-Fi applications, ideal for use at home or in the studio.

Connection is made via the classic 3.5mm jack, which is widely compatible with many devices. Don’t forget that these headphones feature passive noise reduction, achieved through their shape and material, blocking unwanted external sounds.

  • Type: Over Ear for greater comfort and better sound isolation.
  • Usage: Ideal for Hi-Fi listening.
  • Color: Beige, offering a sleek appearance.
  • Connection: Wired with a 3.5mm jack.
  • Noise Reduction: Passive, for better listening experience.

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Details

Type
Over Ear

Type

Over Ear

Headphones with larger ear cups compared to on-ear headphones, which hug the ears.


They are more comfortable and provide better external noise isolation, but are more difficult to transport due to their larger size.

Generally, over-ear headphones can offer higher quality sound and deep bass compared to on-ear headphones of similar quality, thanks to their larger speakers.
Frequency Response
10 - 25000 Hz

Frequency Response

The range of frequencies that headphones can reproduce. The most common range is that of human hearing, 20 - 20000 Hz. A wider frequency range does not necessarily mean better sound quality.

  • (Bass) 20-250 Hz: Stronger bass, for depth. Ideal frequencies for listening to electronic or hip hop music.
  • (Mids) 250-4,000 Hz: The mid frequencies are stronger, suitable for better listening to vocals or orchestral music.
  • (Treble) 4,000-20,000 Hz: High frequencies affect the clarity and sharpness of the sound, for better listening to, for example, cymbals or the plucking of classical guitar strings.
Use
Hi-Fi
Colour
Beige

Connectivity

Wired Connections
3.5mm

Wired Connections

3.5mm
The headphones are connected via cable to the classic "jack" 3.5mm plug.
Connection
Wired

Features & Functions

Microphone
No

Microphone

The headphones feature a built-in microphone.
Volume Control
No

Volume Control

The headphones feature a built-in control for sound volume.
Detachable Cable
No

Detachable Cable

The connection cable can be removed from the headphones.

The main advantage is that in case the cable is damaged, it can be easily replaced without needing to buy new headphones. Additionally, wireless headphones can be used as wired ones when the battery is low.
Foldable Drivers
No

Foldable Drivers

Folding ear cups help reduce the volume of headphones, making them easier to transport.

Headphones with folding ear cups often come with a carrying case.
Rotating Capsules
No

Rotating Capsules

Rotating ear cups allow headphones to have a flat shape, making them easier to transport (e.g. in a suitcase).
Card Reader
No
Radio
No
Fast Charging
No

Fast Charging

The fast charging feature allows the headphones to gain sufficient autonomy with just a few minutes of charging, ideal for use when time is limited.
High-Resolution Audio
Yes
Connection with 2 Devices
No
Noise Cancellation
Passive

Noise Cancellation

The method of reducing external noise that headphones have.

Passive

The design and material of the acoustic block out unwanted external noise, allowing you to hear better.

Top Specs

Connectivity
3.5mm
Noise Cancellation
Passive Noise Cancellation

Noise Cancellation

The method of reducing external noise that the headphones have.

Active Noise Cancellation (ANC): Uses technology to detect and neutralize external noises, offering clearer sound.

Passive Noise Cancellation: The shape and materials of the headphones naturally reduce external noises, improving the listening experience.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

These headphones are perfect for music lovers and faithful sound reproduction. With the Over Ear type, they feature larger ear cups that comfortably encase your ears, ensuring extended comfort during long usage. The external noise isolation is enhanced, allowing you to enjoy your music without interruptions.

Their design contributes to higher quality sound, with deep bass that will excite you. They are perfect for Hi-Fi applications, ideal for use at home or in the studio.

Connection is made via the classic 3.5mm jack, which is widely compatible with many devices. Don’t forget that these headphones feature passive noise reduction, achieved through their shape and material, blocking unwanted external sounds.

  • Type: Over Ear for greater comfort and better sound isolation.
  • Usage: Ideal for Hi-Fi listening.
  • Color: Beige, offering a sleek appearance.
  • Connection: Wired with a 3.5mm jack.
  • Noise Reduction: Passive, for better listening experience.

Manufacturer

Manufacturer Details

Warnings & Safety Information

Product Details

Type
Over Ear

Type

Over Ear

Headphones with larger ear cups compared to on-ear headphones, which hug the ears.


They are more comfortable and provide better external noise isolation, but are more difficult to transport due to their larger size.

Generally, over-ear headphones can offer higher quality sound and deep bass compared to on-ear headphones of similar quality, thanks to their larger speakers.
Frequency Response
10 - 25000 Hz

Frequency Response

The range of frequencies that headphones can reproduce. The most common range is that of human hearing, 20 - 20000 Hz. A wider frequency range does not necessarily mean better sound quality.

  • (Bass) 20-250 Hz: Stronger bass, for depth. Ideal frequencies for listening to electronic or hip hop music.
  • (Mids) 250-4,000 Hz: The mid frequencies are stronger, suitable for better listening to vocals or orchestral music.
  • (Treble) 4,000-20,000 Hz: High frequencies affect the clarity and sharpness of the sound, for better listening to, for example, cymbals or the plucking of classical guitar strings.
Use
Hi-Fi
Colour
Beige

Connectivity

Wired Connections
3.5mm

Wired Connections

3.5mm
The headphones are connected via cable to the classic "jack" 3.5mm plug.
Connection
Wired

Features & Functions

Microphone
No

Microphone

The headphones feature a built-in microphone.
Volume Control
No

Volume Control

The headphones feature a built-in control for sound volume.
Detachable Cable
No

Detachable Cable

The connection cable can be removed from the headphones.

The main advantage is that in case the cable is damaged, it can be easily replaced without needing to buy new headphones. Additionally, wireless headphones can be used as wired ones when the battery is low.
Foldable Drivers
No

Foldable Drivers

Folding ear cups help reduce the volume of headphones, making them easier to transport.

Headphones with folding ear cups often come with a carrying case.
Rotating Capsules
No

Rotating Capsules

Rotating ear cups allow headphones to have a flat shape, making them easier to transport (e.g. in a suitcase).
Card Reader
No
Radio
No
Fast Charging
No

Fast Charging

The fast charging feature allows the headphones to gain sufficient autonomy with just a few minutes of charging, ideal for use when time is limited.
High-Resolution Audio
Yes
Connection with 2 Devices
No
Noise Cancellation
Passive

Noise Cancellation

The method of reducing external noise that headphones have.

Passive

The design and material of the acoustic block out unwanted external noise, allowing you to hear better.

Top Specs

Connectivity
3.5mm
Noise Cancellation
Passive Noise Cancellation

Noise Cancellation

The method of reducing external noise that the headphones have.

Active Noise Cancellation (ANC): Uses technology to detect and neutralize external noises, offering clearer sound.

Passive Noise Cancellation: The shape and materials of the headphones naturally reduce external noises, improving the listening experience.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.