AKG K99 PerceptionPhilips Fidelio X1
Top 58%593 points
Top 58%
Top 49%710 points
Top 49%
AKG K99 Perception
Philips Fidelio X1
Top specs and features

AKG K99 Perception vs Philips Fidelio X1: 16 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

220g 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 K99 Perception
Philips Fidelio X1
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
30 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 K99 Perception
Philips Fidelio X1
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 K99 Perception
Philips Fidelio X1
69% have it

9. has a tangle free cable

The cable is designed to minimize tangling.
AKG K99 Perception
Philips Fidelio X1
24% have it

10. 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 K99 Perception
Philips Fidelio X1
39% 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 K99 Perception
Philips Fidelio X1
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 K99 Perception
Philips Fidelio X1
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 K99 Perception
Philips Fidelio X1
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 K99 Perception
Philips Fidelio X1
83% have it

16. 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 K99 Perception
Philips Fidelio X1
10% have it

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