AKG K550Koss PortaPro KTC
Top 42%798 points
Top 42%
Top 67%454 points
Top 67%
AKG K550
Koss PortaPro KTC
Top specs and features

AKG K550 vs Koss PortaPro KTC: 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.
Brainwavz Kidwavz KV-100: 2780000000Hz

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. 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 K550
Koss PortaPro KTC
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.
AKG K553 Pro: 144dB/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 K550
Koss PortaPro KTC
69% have it

7. has a tangle free cable

The cable is designed to minimize tangling.
AKG K550
Koss PortaPro KTC
24% 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 K550
Koss PortaPro KTC
46% have it

9. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K550
Koss PortaPro KTC
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.
AKG K550
Koss PortaPro KTC
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.
AKG K550
Koss PortaPro KTC
40% have it

12. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K550
Koss PortaPro KTC
42% have it

13. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.
AKG K550
Koss PortaPro KTC
63% have it

14. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K550
Koss PortaPro KTC
50% have it

16. sweat resistant

Resistance to sweat makes it ideal for use while doing sports.
AKG K550
Koss PortaPro KTC
11% have it

17. 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 K550
Koss PortaPro KTC
23% have it

18. cable length

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

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