Koss PRO4AAT
Top 43%364 points
Top 43%
Lowest frequency
Number of headphones
lowmidhigh
Top 95%
280 headphones
9.25Hz - 17.5Hz
NaN% of all headphonesYes
No
lowest frequency
highest frequency
impedance
sound pressure level
weight

Koss PRO4AAT: 15 facts and highlights

1. highest frequency

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
25000Hz
Sony MDR-Z1R: 120000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
10Hz
Sony MH1CBLK: 1Hz

3. weight

839.15g
AKG IP2: 3g

4. impedance

Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.
250Ohms
Flips Solo 2 Social: 4Ohms

5. has sound isolation / passive noise reduction

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.
Koss PRO4AAT
48% have it

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
95dB/mW
Audeze EL-8 Titanium: 130dB/mW

7. no battery needed

This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.
Koss PRO4AAT
73% have it

8. can be folded

Folding devices are good for transporting as they take up less space in your bag.
Koss PRO4AAT
30% have it

9. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
Koss PRO4AAT
54% have it

10. has stereo speakers

Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
Koss PRO4AAT
73% have it

11. has an over-the-ear form

Comfortable full-size form with earcups that fully enclose your ears. This model is loved for its increased sound isolation and the fact that it won't leak sound to your neighbors. It offers potential for maximum bass and loudness levels.
Koss PRO4AAT
42% have it

12. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
Koss PRO4AAT
65% have it

13. has a coiled cord

A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.
Koss PRO4AAT
9% have it

14. cable length

A long cable ensures more freedom of movement.
2.44m
Pioneer SE-A1000: 6m

15. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
Koss PRO4AAT
87% have it

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