AKG K121 StudioKoss QZPRO
Top 58%543 points
Top 58%
Top 69%398 points
Top 69%
AKG K121 Studio
Koss QZPRO
vs
Top specs and features

AKG K121 Studio vs Koss QZPRO: 14 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.
22500Hz
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
40Hz

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.
55Ohms
Flips Solo 2 Social: 4Ohms
32Ohms

4. sound pressure level

Devices with a higher sound pressure level are generally louder when supplied with any given audio source.
114dB/mW
AKG K553 Pro: 144dB/mW
90dB/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 K121 Studio
Koss QZPRO
73% have it

6. has a tangle free cable

The cable is designed to minimize tangling.
AKG K121 Studio
Koss QZPRO
25% 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 K121 Studio
Koss QZPRO
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 K121 Studio
Koss QZPRO
54% have it

9. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K121 Studio
Koss QZPRO
42% 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 K121 Studio
Koss QZPRO
42% have it

11. has active noise canceling / noise reduction

This type of device allows you to listen at lower volume levels, causing less ear fatigue as you don't have to crank up the volume to overcome background noise. Ideal for plane rides and morning commutes.
AKG K121 Studio
Koss QZPRO
13% have it

12. cable length

A long cable ensures more freedom of movement.
3m
Pioneer SE-A1000: 6m
1.2m

13. 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 K121 Studio
Koss QZPRO
22% 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.
AKG K121 Studio
Koss QZPRO
87% have it

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