AKG K550Koss PRO4AAAT
Top 41%795 points
Top 41%
Top 51%664 points
Top 51%
AKG K550
Koss PRO4AAAT
vs
Top specs and features

AKG K550 vs Koss PRO4AAAT: 19 facts in comparison

1. highest frequency

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.
28000Hz
Sony MDR-Z1R: 120000Hz
25000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
12Hz
Sony MH1CBLK: 1Hz
10Hz

3. weight

290g lighter.
305g
Sony MDR-EX150AP: 3g
595g

4. 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.
AKG K550
Koss PRO4AAAT
45% have it

5. 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.
32Ohms
Flips Solo 2 Social: 4Ohms
250Ohms

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
114dB/mW
AKG K553 Pro: 144dB/mW
98dB/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.
AKG K550
Koss PRO4AAAT
71% have it

8. has a tangle free cable

The cable is designed to minimize tangling.
AKG K550
Koss PRO4AAAT
24% have it

9. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K550
Koss PRO4AAAT
32% have it

10. has stereo speakers

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.
AKG K550
Koss PRO4AAAT
78% 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.
AKG K550
Koss PRO4AAAT
41% have it

12. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K550
Koss PRO4AAAT
51% have it

13. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K550
Koss PRO4AAAT
63% have it

14. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K550
Koss PRO4AAAT
41% have it

16. has a coiled cord

A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.
AKG K550
Koss PRO4AAAT
8% have it

17. sweat resistant

Resistance to sweat makes it ideal for use while doing sports.
AKG K550
Koss PRO4AAAT
10% have it

18. cable length

A long cable ensures more freedom of movement.
3m
Pioneer SE-A1000: 6m
2.44m

19. has an open-back design

The device is designed in a way that allows sound to go out through the back of the ear cups, which usually have vents or perforations. This design provides very natural and accurate sound.
AKG K550
Koss PRO4AAAT
10% have it

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