vs
AKG K550
Stax SR-009
Top 39%807 points
Top 39%
Top 62%505 points
Top 62%
AKG K550
Stax SR-009
Top specs and features

AKG K550 vs Stax SR-009: 16 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
42000Hz

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
5Hz

3. weight

148g lighter.
305g
Sony MDR-EX150AP: 3g
453g

4. 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
Stax SR-009
45% have it

5. 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
145 Ohms

6. 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
118dB/mW

7. 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
Stax SR-009
68% have it

8. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K550
Stax SR-009
30% have it

9. has a tangle free cable

The cable is designed to minimize tangling.
AKG K550
Stax SR-009
24% 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 K550
Stax SR-009
39% have it

11. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K550
Stax SR-009
43% 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 K550
Stax SR-009
49% 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 K550
Stax SR-009
81% have it

14. cable length

A long cable ensures more freedom of movement.
3m
Pioneer SE-A1000: 6m
2.5m

15. sweat resistant

Resistance to sweat makes it ideal for use while doing sports.
AKG K550
Stax SR-009
13% have it

16. has an open-back design

The device is designed in a way that allows sound to go out through the back of the ear cups, which usually have vents or perforations. This design provides very natural and accurate sound.
AKG K550
Stax SR-009
10% have it

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