AKG K550Ultrasone HFI-15G
Top 43%764 points
Top 43%
Top 64%478 points
Top 64%
AKG K550
Ultrasone HFI-15G
vs
Top specs and features

AKG K550 vs Ultrasone HFI-15G: 17 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. weight

220g lighter.
305g
Sony MDR-EX150AP: 3g
85g

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
Ultrasone HFI-15G
48% 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.
32Ohms
Flips Solo 2 Social: 4Ohms
32Ohms

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
96dB/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
Ultrasone HFI-15G
73% have it

8. has a tangle free cable

The cable is designed to minimize tangling.
AKG K550
Ultrasone HFI-15G
25% have it

9. can be folded

Folding devices are good for transporting as they take up less space in your bag.
AKG K550
Ultrasone HFI-15G
31% have it

10. driver unit size

The driver unit is the component that produces sound in the device. Bigger drivers are more powerful and can produce better bass.
50mm
Audeze EL-8 Titanium: 100mm
40mm

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
Ultrasone HFI-15G
42% 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
Ultrasone HFI-15G
53% have it

13. has included ear pads

Allows you to change ear pads without buying new ones.
AKG K550
Ultrasone HFI-15G
42% have it

14. sweat resistant

Resistance to sweat makes it ideal for use while doing sports.
AKG K550
Ultrasone HFI-15G
10% have it

16. 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
Ultrasone HFI-15G
87% 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
Ultrasone HFI-15G
22% have it

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