AKG K99 PerceptionKoss PortaPro KTC
Top 59%563 points
Top 59%
Top 67%447 points
Top 67%
AKG K99 Perception
Koss PortaPro KTC
vs
Top specs and features

AKG K99 Perception vs Koss PortaPro KTC: 15 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
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.
18Hz
Sony MH1CBLK: 1Hz
15Hz

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

4. 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
101dB/mW

5. 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 PortaPro KTC
71% have it

6. has a tangle free cable

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

7. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K99 Perception
Koss PortaPro KTC
32% have it

8. 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.
AKG K99 Perception
Koss PortaPro KTC
45% 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.
AKG K99 Perception
Koss PortaPro KTC
78% have it

10. 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 PortaPro KTC
41% have it

11. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K99 Perception
Koss PortaPro KTC
63% have it

12. 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 PortaPro KTC
51% have it

13. 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 PortaPro KTC
85% have it

14. 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.
AKG K99 Perception
Koss PortaPro KTC
23% have it

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