AKG K 550Koss JR 900
Top 55%590 points
Top 55%
Top 68%420 points
Top 68%
AKG K 550
Koss JR 900
vs
Top specs and features

AKG K 550 vs Koss JR 900: 13 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.
28000Hz
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.
12Hz
Sony MH1CBLK: 1Hz
20Hz

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 K 550
Koss JR 900
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.
32Ohms
Flips Solo 2 Social: 4Ohms
10Ohms

5. has a detachable cable

With a detachable cable you can use alternative cables, and if the cable is pulled it will pop out instead of breaking.
AKG K 550
Koss JR 900
38% have it

6. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K 550
Koss JR 900
31% have it

7. has stereo speakers

Devices with stereo speakers deliver sound that surrounds the user from left and right side, creating a richer sound and a better experience.
AKG K 550
Koss JR 900
75% have it

8. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.
AKG K 550
Koss JR 900
54% have it

9. Can be used wirelessly

Wireless devices allow users more freedom of movement.
AKG K 550
Koss JR 900
16% 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 K 550
Koss JR 900
42% have it

11. control panel placed on a device

There is a control panel on the device body, so you can easily access the volume control or remote without having to interact with a cable or another device it's connected to.
AKG K 550
Koss JR 900
14% have it

12. 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 K 550
Koss JR 900
87% have it

13. has a removable battery

The battery is removable and can be replaced by the user if broken.
AKG K 550
Koss JR 900
6% have it

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