AKG K121 StudioUltrasone PRO 2900
Top 41%402 points
Top 41%
Top 28%488 points
Top 28%
AKG K121 Studio
Ultrasone PRO 2900
vs
Top specs and features

AKG K121 Studio vs Ultrasone PRO 2900: 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.

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

3. weight

75g lighter.

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.

5. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.

6. 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 K121 Studio
Ultrasone PRO 2900
73% have it

7. has a tangle free cable

The cable is designed to minimize tangling.
AKG K121 Studio
Ultrasone PRO 2900
26% have it

8. 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 K121 Studio
Ultrasone PRO 2900
38% have it

9. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K121 Studio
Ultrasone PRO 2900
31% have it

10. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K121 Studio
Ultrasone PRO 2900
44% have it

11. 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.
AKG K121 Studio
Ultrasone PRO 2900
74% 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 K121 Studio
Ultrasone PRO 2900
55% 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 K121 Studio
Ultrasone PRO 2900
42% have it

14. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K121 Studio
Ultrasone PRO 2900
65% have it

15. has a coiled cord

A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.
AKG K121 Studio
Ultrasone PRO 2900
8% have it

16. cable length

A long cable ensures more freedom of movement.

17. has an on-ear form

This device comfortably rests on top of your outer ears. As it doesn't block out everything from the outside world, it's preferred in places like office environments and recommended for outdoor activities.
AKG K121 Studio
Ultrasone PRO 2900
22% have it

18. 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 K121 Studio
Ultrasone PRO 2900
87% have it

19. is open backed

The device is designed to allow sound out through the back of the earcup and provides very natural and accurate sound. It's good for home listening.
AKG K121 Studio
Ultrasone PRO 2900
10% have it

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