AKG K612 ProUltrasone PRO 550
Top 55%587 points
Top 55%
Top 47%686 points
Top 47%
AKG K612 Pro
Ultrasone PRO 550
vs
Top specs and features

AKG K612 Pro vs Ultrasone PRO 550: 20 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.
39500Hz
Sony MDR-Z1R: 120000Hz
22000Hz

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

58g lighter.
238g
Sony MDR-EX150AP: 3g
296g

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.
120Ohms
Flips Solo 2 Social: 4Ohms
64Ohms

5. 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 K612 Pro
Ultrasone PRO 550
33% have it

6. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
101dB/mW
AKG K553 Pro: 144dB/mW
102dB/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 K612 Pro
Ultrasone PRO 550
73% have it

8. has a tangle free cable

The cable is designed to minimize tangling.
AKG K612 Pro
Ultrasone PRO 550
25% 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 K612 Pro
Ultrasone PRO 550
38% have it

10. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K612 Pro
Ultrasone PRO 550
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 K612 Pro
Ultrasone PRO 550
75% 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 K612 Pro
Ultrasone PRO 550
54% have it

13. 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 K612 Pro
Ultrasone PRO 550
42% have it

14. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K612 Pro
Ultrasone PRO 550
42% have it

15. Can be used wirelessly

Wireless devices allow users more freedom of movement.
AKG K612 Pro
Ultrasone PRO 550
16% have it

16. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K612 Pro
Ultrasone PRO 550
64% have it

17. has a coiled cord

A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.
AKG K612 Pro
Ultrasone PRO 550
8% have it

18. cable length

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

19. 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 K612 Pro
Ultrasone PRO 550
87% have it

20. 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 K612 Pro
Ultrasone PRO 550
10% have it

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