| Audio-Technica ATH-ESW9A | Koss PRO4AAAT |
Top 48%731 points Top 48% 26 likes | Top 51%694 points Top 51% 25 likes |
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Top specs and features
Audio-Technica ATH-ESW9A vs Koss PRO4AAAT: 18 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
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.
5Hz
Sony MH1CBLK: 1Hz
10Hz
3. weight
425g lighter.
170g
Sony MDR-EX150AP: 3g
595g
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.
Audio-Technica ATH-ESW9A
Koss PRO4AAAT
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.
42 Ohms
Flips Solo 2 Social: 4 Ohms
250 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.
Audio-Technica ATH-ESW9A
Koss PRO4AAAT
35% have it
7. 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
98dB/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.
Audio-Technica ATH-ESW9A
Koss PRO4AAAT
69% have it
9. can be folded
Folding devices are good for transporting as they take up less space in your bag.
Audio-Technica ATH-ESW9A
Koss PRO4AAAT
31% have it
10. 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 PRO4AAAT
76% 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 PRO4AAAT
40% 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 PRO4AAAT
63% have it
13. 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 PRO4AAAT
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.
Audio-Technica ATH-ESW9A
Koss PRO4AAAT
83% have it
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15. cable length
A long cable ensures more freedom of movement.
1.2m
Pioneer SE-A1000: 6m
2.44m
16. 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 PRO4AAAT
23% have it
17. has a coiled cord
A coiled cord typically offers more flexibility as it can be extended, and taken outside for example.
Audio-Technica ATH-ESW9A
Koss PRO4AAAT
7% have it
18. 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.
Audio-Technica ATH-ESW9A
Koss PRO4AAAT
10% have it
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