Audio-Technica ATH-ESW9AKoss QZPRO
Top 48%682 points
Top 48%
Top 69%398 points
Top 69%
Audio-Technica ATH-ESW9A
Koss QZPRO
vs
Top specs and features

Audio-Technica ATH-ESW9A vs Koss QZPRO: 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.
35000Hz
Sony MDR-Z1R: 120000Hz
20000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.
5Hz
Sony MH1CBLK: 1Hz
40Hz

3. 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.
Audio-Technica ATH-ESW9A
Koss QZPRO
48% have it

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.
42Ohms
Flips Solo 2 Social: 4Ohms
32Ohms

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.
Audio-Technica ATH-ESW9A
Koss QZPRO
33% have it

6. 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
90dB/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.
Audio-Technica ATH-ESW9A
Koss QZPRO
73% have it

8. can be folded

Folding devices are good for transporting as they take up less space in your bag.
Audio-Technica ATH-ESW9A
Koss QZPRO
31% have it

9. 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.
Audio-Technica ATH-ESW9A
Koss QZPRO
75% have it

10. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
Audio-Technica ATH-ESW9A
Koss QZPRO
54% have it

11. 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.
Audio-Technica ATH-ESW9A
Koss QZPRO
42% have it

12. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
Audio-Technica ATH-ESW9A
Koss QZPRO
64% have it

13. 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.
Audio-Technica ATH-ESW9A
Koss QZPRO
13% have it

14. cable length

A long cable ensures more freedom of movement.
1.2m
Pioneer SE-A1000: 6m
1.2m

15. 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.
Audio-Technica ATH-ESW9A
Koss QZPRO
22% have it

16. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.
Audio-Technica ATH-ESW9A
Koss QZPRO
87% have it

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