AKG K 550Sennheiser HD 558
Top 54%641 points
Top 54%
Top 64%511 points
Top 64%
AKG K 550
Sennheiser HD 558
Top specs and features

AKG K 550 vs Sennheiser HD 558: 15 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.
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.
Sony MH1CBLK: 1Hz

3. weight

45g lighter.
Sony MDR-EX150AP: 3g

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 K 550
Sennheiser HD 558
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.
32 Ohms
Flips Solo 2 Social: 4 Ohms
50 Ohms

6. has a neodymium magnet

Devices with neodymium magnets are lighter and more powerful than those which use ferrite magnets. They also have more bass and clear high notes.
AKG K 550
Sennheiser HD 558
35% have it

7. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
AKG K553 Pro: 144dB/mW

8. 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 K 550
Sennheiser HD 558
69% have it

9. has a detachable cable

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
AKG K 550
Sennheiser HD 558
39% have it

10. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K 550
Sennheiser HD 558
31% have it

11. 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 K 550
Sennheiser HD 558
76% have it

12. 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 K 550
Sennheiser HD 558
40% have it

13. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K 550
Sennheiser HD 558
50% have it

14. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
AKG K 550
Sennheiser HD 558
83% have it

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