Sony MDR-1000XAKG K121 StudioPolk Audio UltraFocus 6000i
Top 15%1,136 points
Top 15%
Top 59%549 points
Top 59%
Top 49%681 points
Top 49%
Sony MDR-1000X
AKG K121 Studio
vs
Polk Audio UltraFocus 6000i
vs
Top specs and features

Sony MDR-1000X vs AKG K121 Studio vs Polk Audio UltraFocus 6000i: 26 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.
40000Hz
Sony MDR-Z1R: 120000Hz
22500Hz
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.
4Hz
Sony MH1CBLK: 1Hz
18Hz
8Hz

3. 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.
46Ohms
Flips Solo 2 Social: 4Ohms
55Ohms
16Ohms

4. 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.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
33% have it

5. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
103dB/mW
AKG K553 Pro: 144dB/mW
114dB/mW
115dB/mW

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.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
72% have it

7. has a tangle free cable

The cable is designed to minimize tangling.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
25% 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.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
39% have it

9. can be folded

Folding devices are good for transporting as they take up less space in your bag.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
32% have it

10. has an in-line control panel

There is a control panel on the cable, so you can easily operate the device without having to interact with it.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
44% have it

11. can be used as a headset

A headset is one headphone or pair with a built-in microphone. Headsets can be used for applications which require communication i.e. Skype, games with voice chat, mobile phones etc.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
36% have it

12. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
53% have it

13. 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.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
76% have it

14. 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.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
42% have it

16. Can be used wirelessly

Wireless devices allow users more freedom of movement.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
16% have it

17. has included ear pads

Allows you to change ear pads without buying new ones.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
42% have it

18. control panel placed on a device

There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
15% have it

19. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
64% have it

20. has active noise canceling/noise reduction

This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
13% have it

21. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
87% have it

22. 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.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
22% have it

23. has a rechargeable battery

The battery can be recharged and used over again.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
9% have it

24. has a removable battery

The battery is removable and can be replaced by the user if broken.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
6% have it

25. has an in-ear form

The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.
Sony MDR-1000X
AKG K121 Studio
Polk Audio UltraFocus 6000i
33% have it

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