AKG K99 PerceptionKoss PRO3AA
Top 58%566 points
Top 58%
Top 68%439 points
Top 68%
AKG K99 Perception
Koss PRO3AA
vs
Top specs and features

AKG K99 Perception vs Koss PRO3AA: 12 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.
22000Hz
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.
18Hz
Sony MH1CBLK: 1Hz
15Hz

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.
AKG K99 Perception
Koss PRO3AA
45% 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.
32 Ohms
Flips Solo 2 Social: 4 Ohms
60 Ohms

5. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
112dB/mW
AKG K553 Pro: 144dB/mW
100dB/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.
AKG K99 Perception
Koss PRO3AA
70% have it

7. has a tangle free cable

The cable is designed to minimize tangling.
AKG K99 Perception
Koss PRO3AA
24% have it

8. 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
Koss PRO3AA
78% have it

9. 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
Koss PRO3AA
41% have it

10. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K99 Perception
Koss PRO3AA
51% have it

11. 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
Koss PRO3AA
84% have it

12. cable length

A long cable ensures more freedom of movement.
3m
Pioneer SE-A1000: 6m
2.4m

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